AS5400 British Telecommunications PLC

Company Website:

http://www.bt.net

Company Looking Glass:

http://lg.bt.net/

Looking Glass:

https://bgp.he.net/lg/5400

Country of Origin:

United Kingdom

Internet Exchanges: 51

Prefixes Originated (all): 101
Prefixes Originated (v4): 74
Prefixes Originated (v6): 27

Prefixes Announced (all): 1,370
Prefixes Announced (v4): 1,256
Prefixes Announced (v6): 114

RPKI Originated Valid (all): 71
RPKI Originated Valid (v4): 47
RPKI Originated Valid (v6): 24

RPKI Originated Invalid (all): 3
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 3

BGP Peers Observed (all): 147
BGP Peers Observed (v4): 142
BGP Peers Observed (v6): 85

IPs Originated (v4): 703,232
AS Paths Observed (v4): 1,768
AS Paths Observed (v6): 1,579

Average AS Path Length (all): 3.569
Average AS Path Length (v4): 3.495
Average AS Path Length (v6): 3.653

AS5400 IPv4 Peers

ASN	Name
AS3356	Level 3 Parent, LLC
AS1299	Arelion Sweden AB
AS174	Cogent Communications, LLC
AS2856	British Telecommunications PLC
AS3257	GTT Communications Inc.
AS2914	NTT America, Inc.
AS6939	Hurricane Electric LLC
AS6762	TELECOM ITALIA SPARKLE S.p.A.
AS6453	TATA COMMUNICATIONS (AMERICA) INC
AS4637	Telstra Global

AS5400 IPv6 Peers

ASN	Name
AS4637	Telstra Global
AS6939	Hurricane Electric LLC
AS3356	Level 3 Parent, LLC
AS1299	Arelion Sweden AB
AS174	Cogent Communications, LLC
AS2914	NTT America, Inc.
AS6762	TELECOM ITALIA SPARKLE S.p.A.
AS9002	RETN Limited
AS6453	TATA COMMUNICATIONS (AMERICA) INC
AS3491	PCCW Global

AS5400 IPv4 Peer Count

AS5400 IPv6 Peer Count

AS5400 IPv4 Prefixes Announced

AS5400 IPv6 Prefixes Announced

AS5400 IPv4 Prefixes Originated

AS5400 IPv6 Prefixes Originated

AS5400 IPv4 Route Propagation

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AS5400 IPv6 Route Propagation

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Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
31.95.0.0/21	British Telecommunications PLC
31.95.16.0/20	British Telecommunications PLC
31.95.48.0/21	British Telecommunications PLC
31.95.96.0/19	British Telecommunications PLC
31.95.160.0/20
31.95.218.0/23	British Telecommunications PLC
46.248.8.0/23	FedEx Express International B.V.
46.248.10.0/23	FedEx Express International B.V.
62.5.0.0/17	British Telecommunications PLC
62.102.0.0/17	British Telecommunications PLC
62.134.0.0/16	British Telecommunications PLC
62.172.0.0/21	PROVIDER
62.173.192.0/18	British Telecommunications PLC
62.180.0.0/16	British Telecommunications PLC
80.255.160.0/20	BT Global Services Luxembourg S.a.r.l
80.255.160.0/24	BT Global Services Luxembourg S.a.r.l
80.255.161.0/24	BT Global Services Luxembourg
80.255.162.0/24	BT Global Services Luxembourg
82.138.160.0/19	Maint-Amcor
82.150.0.0/19	British Telecommunications PLC
132.244.64.0/21	Rolls-Royce plc
132.244.72.0/21	Rolls-Royce plc
132.244.240.0/24	Rolls-Royce plc
136.238.84.0/24	Schindler Informatik AG
136.238.85.0/24	Schindler Informatik AG
136.238.224.0/24	Various Registries (Maintained by ARIN)
166.49.128.0/17	communications networking services Private Unlimited Company
185.94.0.0/22	British Telecommunications PLC
185.249.4.0/24	Lumileds Holding B.V.
192.109.52.0/24	RIPE Network Coordination Centre
193.58.130.0/23	TESSENDERLO CHEMIE INTERNATIONAL NV
193.202.26.0/24	WPP Deutschland Holding GmbH
194.33.53.0/24	KANTAR DORMANT 3 LIMITED
194.33.54.0/24	KANTAR DORMANT 3 LIMITED
194.33.55.0/24	KANTAR DORMANT 3 LIMITED
194.50.160.0/24	Hyundai Motor Europe GmbH
194.74.80.0/21	PROVIDER
194.76.40.0/24	BT (Germany) GmbH & Co. OHG
194.107.114.0/24	CEVA France SASU
194.213.64.0/19	British Telecommunications PLC
195.36.82.0/24	Computacenter AG & Co. oHG, Computacenter Park 1, 50170 Kerpen
195.60.182.0/24	DeLaval International AB
195.60.183.0/24	DeLaval International AB
195.66.70.0/24	Kia Europe GmbH
195.90.64.0/19	British Telecommunications PLC
195.99.64.0/20	BT-Ignite-EU
195.100.0.0/16	British Telecommunications PLC
195.163.0.0/16	British Telecommunications PLC
195.171.36.0/22	PROVIDER
195.182.96.0/19	British Telecommunications PLC
198.178.236.0/24	KANTAR
203.158.68.0/23
203.158.72.0/23	BT Global Fabric customers
203.158.76.0/23	BT Global Fabric customers
204.52.188.0/24	KANTAR
206.73.0.0/16	INFONET Services Corporation
206.73.0.0/19
206.73.48.0/20
206.73.80.0/20	INFONET Services Corporation
206.73.112.0/22
206.73.116.0/22
212.8.160.0/19	British Telecommunications PLC
212.21.192.0/19	British Telecommunications PLC
212.31.192.0/19	British Telecommunications PLC
212.41.128.0/19	British Telecommunications PLC
212.108.0.0/19	British Telecommunications PLC
212.127.0.0/19	British Telecommunications PLC
212.162.192.0/18	British Telecommunications PLC
213.15.0.0/16	British Telecommunications PLC
213.137.160.0/19	British Telecommunications PLC
213.194.0.0/18	British Telecommunications PLC
213.236.64.0/18	British Telecommunications PLC
217.180.16.0/24	Private Customer
217.180.17.0/24

Prefix	Description	Visibility
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Prefix	Description
2001:740::/32	British Telecommunications PLC
2402:fb00:8000::/39	Infonet Services Corporation
2402:fb00:8400::/39
2402:fb00:8800::/40	Infonet Services Corporation
2606:f100:d000::/39	BT Management Services
2606:f100:d400::/39
2606:f100:d600::/39	BT Management Services
2606:f100:d800::/38
2606:f100:dc00::/38
2a00:2000::/23	British Telecommunications PLC
2a00:2080::/32	BT Global Fabric Customers
2a00:2082::/32	BT Global Fabric Customers
2a00:2083::/32	BT Global Fabric Customers
2a00:2089::/32	BT Global Fabric Customers
2a00:208a::/32	BT Global Fabric Customers
2a00:208d::/32	BT Global Fabric Customers
2a00:2200::/25	British Telecommunications PLC
2a00:2200:200::/40	British Telecommunications PLC
2a00:2200:300::/40	British Telecommunications PLC
2a00:2200:900::/40	British Telecommunications PLC
2a00:2200:b00::/40	British Telecommunications PLC
2a00:2200:d00::/40	British Telecommunications PLC
2a00:2200:2000::/40	British Telecommunications PLC
2a00:2200:5300::/40	British Telecommunications PLC
2a00:2280::/25	British Telecommunications PLC
2a00:2300::/25	British Telecommunications PLC
2a0c:7c80::/29	Thales Deutschland GmbH

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Level 3 Parent, LLC	X	AS3356
2	Arelion Sweden AB	X	AS1299
3	Cogent Communications, LLC	X	AS174
4	British Telecommunications PLC	X	AS2856
5	GTT Communications Inc.	X	AS3257
6	NTT America, Inc.	X	AS2914
7	Hurricane Electric LLC	X	AS6939
8	TELECOM ITALIA SPARKLE S.p.A.	X	AS6762
9	TATA COMMUNICATIONS (AMERICA) INC	X	AS6453
10	Telstra Global	X	AS4637
11	RETN Limited	X	AS9002
12	PCCW Global	X	AS3491
13	TELEFONICA GLOBAL SOLUTIONS SL	X	AS12956
14	FTRSI	X	AS5511
15	Zayo Bandwidth	X	AS6461
16	BT Italia S.p.A.	X	AS8968
17	Angola Cables	X	AS37468
18	Enet Communications LIMITED	X	AS2110
19	Deutsche Telekom AG	X	AS3320
20	Vodafone Group PLC	X	AS1273
21	SEACOM Limited	X	AS37100
22	Liberty Global Europe Holding B.V.	X	AS6830
23	FLAG TELECOM UK LIMITED		AS15412
24	Swisscom (Schweiz) AG	X	AS3303
25	Joint Stock Company TransTeleCom	X	AS20485
26	Init7 (Switzerland) Ltd.	X	AS13030
27	Internet2	X	AS11164
28	Internet Initiative Japan Inc.	X	AS2497
29	Datacamp Limited	X	AS60068
30	WIIT AG	X	AS24961
31	PJSC Rostelecom		AS12389
32	Bharti Airtel Ltd	X	AS9498
33	China Mobile International Limited	X	AS58453
34	KDDI CORPORATION		AS2516
35	Zayo Infrastructure France SA	X	AS8218
36	Turk Telekomunikasyon Anonim Sirketi	X	AS9121
37	F5 Networks SARL	X	AS35280
38	COLT Technology Services Group Limited	X	AS8220
39	Blix Solutions AS	X	AS50304
40	Core-Backbone GmbH	X	AS33891
41	Eviden Netherlands B.V.	X	AS29063
42	Free Pro SAS	X	AS30781
43	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
44	Netwerkvereniging Coloclue	X	AS8283
45	PT Telekomunikasi Indonesia		AS7713
46	31173 Services AB	X	AS39351
47	ARISTO NETWORKS LTD		AS216265
48	GEANT Vereniging	X	AS21320
49	GlobalConnect AB	X	AS12552
50	Arvato Systems GmbH	X	AS33873
51	Sunrise GmbH	X	AS6730
52	Tele2 Sverige AB	X	AS1257
53	Etisalat - Emirates Telecommunications Corporation		AS8966
54	WIND TRE S.P.A.		AS1267
55	GlobalConnect A/S	X	AS31027
56	CTGNet	X	AS23764
57	Hetzner Online GmbH	X	AS24940
58	Accertify LLC		AS203990
59	LG CNS Europe B.V		AS34311
60	Procter & Gamble Service GmbH		AS15442
61	Wobcom GmbH	X	AS9136
62	Schaeffler Technologies AG & Co. KG	X	AS20561
63	CONCENTRIX SERVICES BULGARIA EOOD		AS200361
64	SERVICENOW, INC.	X	AS16839
65	ReliaQuest, LLC		AS394805
66	Specsavers Optical Group Limited		AS212565
67	Dell, Inc.		AS30614
68	Proximus Luxembourg S.A.	X	AS56665
69	Elavon Financial Services DAC		AS30864
70	Biogen MA Inc		AS27311
71	Voxility LLP		AS3223
72	MasterCard Technologies LLC		AS26380
73	IPTP	X	AS41095
74	HCL Technologies Germany GmbH		AS207180
75	i3D.net B.V	X	AS49544
76	Pure Storage, INC.		AS10780
77	Sri Lanka Telecom PLC, GLobal Peering	X	AS45489
78	NIXCZ_RS	X	AS6881
79	Toronto Dominion Bank		AS7734
80	OVH SAS	X	AS16276
81	Clarins SAS		AS208053
82	LYNTIA NETWORKS S.A.		AS8903
83	Fortinet Inc.		AS40934
84	TDS TELECOM	X	AS4181
85	Unitas Global	X	AS1828
86	Telio Communications GmbH		AS43033
87	BDC_MNT		AS48647
88	Netia SA		AS12741
89	Valve Corporation	X	AS32590
90	Comcast Cable Communications, LLC	X	AS7922
91	Audi AG		AS12331
92	Atos France SAS		AS21000
93	Commando Materieel en IT	X	AS15466
94	Telenor Norge AS	X	AS2119
95	QIAGEN GmbH		AS12298
96	ABB Information Systems Ltd		AS20868
97	Marsh Limited		AS43949
98	IBERMUTUA		AS202097
99	Molson Coors Beverage Company		AS40126
100	Stellantis Auto SAS		AS12734
101	PHOENIX International Holdings GmbH		AS34460
102	Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	X	AS680
103	Dell, Inc.		AS12257
104	IBERIA LINEAS AEREAS DE ESPANA SOCIEDAD ANONIMA OPERADORA		AS25261
105	Bell Canada	X	AS577
106	BT Limited Magyarorszagi Fioktelepe		AS15410
107	Elsevier Limited		AS59724
108	Enterprise Holdings, Inc.		AS206625
109	GTT Communications Inc.		AS286
110	Autostadt GmbH		AS13130
111	Circular Informationssysteme GmbH	X	AS15518
112	EUROCONTROL, the European Organisation for the Safety of Air Navigation		AS199541
113	European Central Bank		AS31614
114	Wikimedia Foundation Inc.	X	AS14907
115	1&1 Versatel GmbH	X	AS8881
116	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)	X	AS3333
117	green.ch AG	X	AS1836
118	International Flavors & Fragrances I.F.F. (Nederland) B.V		AS202666
119	European Commission	X	AS42848
120	Koninklijke Philips N.V.		AS22683
121	Bayerische Motoren Werke Aktiengesellschaft	X	AS8590
122	Clarins SAS		AS60112
123	M247 Europe SRL	X	AS9009
124	Belgacom International Carrier Services SA		AS6774
125	The North Atlantic Treaty Organization		AS21489
126	Bridgestone Europe NV		AS51466
127	CECONOMY AG		AS28879
128	British Telecommunications PLC		AS13205
129	Hyundai AutoEver Europe GmbH		AS51527
130	Hughes Network Systems GmbH	X	AS12440
131	Infosys Technologies Ltd		AS38191
132	Orange Romania S.A.		AS9050
133	Depository Trust & Clearing Corporation		AS55290
134	Schlumberger Limited		AS72
135	G-Core Labs S.A.	X	AS199524
136	Shell Information Technology International B.V.		AS25049
137	ACONET	X	AS1853
138	Bristol-Myers Squibb Company	X	AS7246
139	Glesys AB		AS42708
140	Bringo Limited	X	AS51046
141	Stripe, Inc.		AS5091
142	BroadbandONE, LLC		AS19151

Rank	Description	IPv4	Peer
1	Telstra Global	X	AS4637
2	Hurricane Electric LLC	X	AS6939
3	Level 3 Parent, LLC	X	AS3356
4	Arelion Sweden AB	X	AS1299
5	Cogent Communications, LLC	X	AS174
6	NTT America, Inc.	X	AS2914
7	TELECOM ITALIA SPARKLE S.p.A.	X	AS6762
8	RETN Limited	X	AS9002
9	TATA COMMUNICATIONS (AMERICA) INC	X	AS6453
10	PCCW Global	X	AS3491
11	Angola Cables	X	AS37468
12	British Telecommunications PLC	X	AS2856
13	GTT Communications Inc.	X	AS3257
14	TELEFONICA GLOBAL SOLUTIONS SL	X	AS12956
15	Init7 (Switzerland) Ltd.	X	AS13030
16	WIIT AG	X	AS24961
17	FTRSI	X	AS5511
18	Swisscom (Schweiz) AG	X	AS3303
19	Deutsche Telekom AG	X	AS3320
20	Netwerkvereniging Coloclue	X	AS8283
21	SEACOM Limited	X	AS37100
22	Internet Initiative Japan Inc.	X	AS2497
23	Zayo Infrastructure France SA	X	AS8218
24	Zayo Bandwidth	X	AS6461
25	Vodafone Group PLC	X	AS1273
26	Liberty Global Europe Holding B.V.	X	AS6830
27	Datacamp Limited	X	AS60068
28	Sunrise GmbH	X	AS6730
29	China Mobile International Limited	X	AS58453
30	Internet2	X	AS11164
31	F5 Networks SARL	X	AS35280
32	Bharti Airtel Ltd	X	AS9498
33	CTGNet	X	AS23764
34	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
35	31173 Services AB	X	AS39351
36	GlobalConnect AB	X	AS12552
37	Enet Communications LIMITED	X	AS2110
38	GEANT Vereniging	X	AS21320
39	Free Pro SAS	X	AS30781
40	Telenor Norge AS	X	AS2119
41	Blix Solutions AS	X	AS50304
42	Unitas Global	X	AS1828
43	Arvato Systems GmbH	X	AS33873
44	Joint Stock Company TransTeleCom	X	AS20485
45	A1 Telekom Austria AG		AS8447
46	COLT Technology Services Group Limited	X	AS8220
47	Wobcom GmbH	X	AS9136
48	The Constant Company, LLC		AS20473
49	Sri Lanka Telecom PLC, GLobal Peering	X	AS45489
50	Hetzner Online GmbH	X	AS24940
51	Commando Materieel en IT	X	AS15466
52	Bayerische Motoren Werke Aktiengesellschaft	X	AS8590
53	Valve Corporation	X	AS32590
54	Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	X	AS680
55	G-Core Labs S.A.	X	AS199524
56	Bringo Limited	X	AS51046
57	1&1 Versatel GmbH	X	AS8881
58	TDS TELECOM	X	AS4181
59	Eviden Netherlands B.V.	X	AS29063
60	Korea Telecom		AS4766
61	Circular Informationssysteme GmbH	X	AS15518
62	Bristol-Myers Squibb Company	X	AS7246
63	green.ch AG	X	AS1836
64	Turk Telekomunikasyon Anonim Sirketi	X	AS9121
65	SERVICENOW, INC.	X	AS16839
66	Bell Canada	X	AS577
67	OVH SAS	X	AS16276
68	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)	X	AS3333
69	GlobalConnect A/S	X	AS31027
70	Wikimedia Foundation Inc.	X	AS14907
71	i3D.net B.V	X	AS49544
72	Schaeffler Technologies AG & Co. KG	X	AS20561
73	European Commission	X	AS42848
74	IPTP	X	AS41095
75	M247 Europe SRL	X	AS9009
76	Hughes Network Systems GmbH	X	AS12440
77	Tele2 Sverige AB	X	AS1257
78	NIXCZ_RS	X	AS6881
79	Accenture LLP		AS3573
80	Globe Telecoms		AS4775
81	ACONET	X	AS1853
82	Comcast Cable Communications, LLC	X	AS7922
83	Proximus Luxembourg S.A.	X	AS56665
84	BT Italia S.p.A.	X	AS8968
85	Core-Backbone GmbH	X	AS33891

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RIPE

aut-num: AS5400 as-name: BT org: ORG-CNS3-RIPE remarks: --------------------------------------------- remarks: Upstreams: remarks: --------------------------------------------- import: from AS3356 action pref=20; accept AS-LEVELTHREEEU import: from AS3356 action pref=100; accept ANY export: to AS3356 announce AS-BT-EU import: from AS1299 action pref=20; accept AS-TWELVE99 import: from AS1299 action pref=100; accept ANY export: to AS1299 announce AS-BT-EU remarks: --------------------------------------------- remarks: Peers: remarks: --------------------------------------------- import: from AS42 action pref=20; accept AS-PCH export: to AS42 announce AS-BT-EU import: from AS174 action pref=20; accept AS174 export: to AS174 announce AS-BT-EU import: from AS293 action pref=20; accept AS-ESNET export: to AS293 announce AS-BT-EU import: from AS577 action pref=20; accept AS577 export: to AS577 announce AS-BT-EU import: from AS680 action pref=20; accept AS-DFNTOWINISP export: to AS680 announce AS-BT-EU import: from AS702 action pref=20; accept AS-UUNETEURO export: to AS702 announce AS-BT-EU import: from AS714 action pref=20; accept AS714 export: to AS714 announce AS-BT-EU import: from AS719 action pref=20; accept AS719 export: to AS719 announce AS-BT-EU import: from AS766 action pref=20; accept AS-REDIRIS export: to AS766 announce AS-BT-EU import: from AS786 action pref=20; accept AS-JANETPLUS export: to AS786 announce AS-BT-EU import: from AS812 action pref=20; accept AS-ROGERS export: to AS812 announce AS-BT-EU import: from AS1120 action pref=20; accept AS-ACOSERV export: to AS1120 announce AS-BT-EU import: from AS1257 action pref=20; accept AS-SWIPNET export: to AS1257 announce AS-BT-EU import: from AS1267 action pref=20; accept AS-INFOSTRADA export: to AS1267 announce AS-BT-EU import: from AS1273 action pref=20; accept AS-CW export: to AS1273 announce AS-BT-EU import: from AS1547 action pref=20; accept AS1547 export: to AS1547 announce AS-BT-EU import: from AS1741 action pref=20; accept AS-FUNET export: to AS1741 announce AS-BT-EU import: from AS1759 action pref=20; accept AS-SONERA export: to AS1759 announce AS-BT-EU import: from AS1828 action pref=20; accept AS-UNITAS export: to AS1828 announce AS-BT-EU import: from AS1853 action pref=20; accept AS-ACONET export: to AS1853 announce AS-BT-EU import: from AS1901 action pref=20; accept AS-KQ export: to AS1901 announce AS-BT-EU import: from AS1955 action pref=20; accept AS-HBONETEN export: to AS1955 announce AS-BT-EU import: from AS2116 action pref=20; accept AS-CATCHCOM export: to AS2116 announce AS-BT-EU import: from AS2497 action pref=20; accept AS-IIJ export: to AS2497 announce AS-BT-EU import: from AS2603 action pref=20; accept AS-NORDUNET export: to AS2603 announce AS-BT-EU import: from AS2611 action pref=20; accept AS-BELNET export: to AS2611 announce AS-BT-EU import: from AS2635 action pref=20; accept AS2635 export: to AS2635 announce AS-BT-EU import: from AS2686 action pref=20; accept AS-IGNEMEA export: to AS2686 announce AS-BT-EU import: from AS2818 action pref=20; accept AS-BBC export: to AS2818 announce AS-BT-EU import: from AS2852 action pref=20; accept AS-CESNET export: to AS2852 announce AS-BT-EU import: from AS2860 action pref=20; accept AS-NOVIS export: to AS2860 announce AS-BT-EU import: from AS2906 action pref=20; accept AS-NFLX export: to AS2906 announce AS-BT-EU import: from AS3209 action pref=20; accept AS-ARCORGLOBAL export: to AS3209 announce AS-BT-EU import: from AS3223 action pref=20; accept AS-VOXILITY-SET export: to AS3223 announce AS-BT-EU import: from AS3257 action pref=20; accept AS-TISCALI export: to AS3257 announce AS-BT-EU import: from AS3292 action pref=20; accept AS-TDCNET export: to AS3292 announce AS-BT-EU import: from AS3303 action pref=20; accept AS-SWCMGLOBAL export: to AS3303 announce AS-BT-EU import: from AS3304 action pref=20; accept AS-UBNBE export: to AS3304 announce AS-BT-EU import: from AS3320 action pref=20; accept AS3320:AS-DTAG export: to AS3320 announce AS-BT-EU import: from AS3333 action pref=20; accept AS3333 export: to AS3333 announce AS-BT-EU import: from AS3352 action pref=20; accept AS-TDE export: to AS3352 announce AS-BT-EU import: from AS3491 action pref=20; accept AS-CAIS export: to AS3491 announce AS-BT-EU import: from AS3856 action pref=20; accept AS-PCH export: to AS3856 announce AS-BT-EU import: from AS4134 action pref=20; accept AS-CN export: to AS4134 announce AS-BT-EU import: from AS4436 action pref=20; accept AS-NLAYER export: to AS4436 announce AS-BT-EU import: from AS4589 action pref=20; accept AS-EASYNET export: to AS4589 announce AS-BT-EU import: from AS4637 action pref=20; accept AS4637 export: to AS4637 announce AS-BT-EU import: from AS4766 action pref=20; accept AS-KORNET export: to AS4766 announce AS-BT-EU import: from AS4837 action pref=20; accept AS4837:AS-CNCNET export: to AS4837 announce AS-BT-EU import: from AS5432 action pref=20; accept AS-SKYNETBE export: to AS5432 announce AS-BT-EU import: from AS5459 action pref=20; accept AS5459 export: to AS5459 announce AS-BT-EU import: from AS5511 action pref=20; accept AS-OPENTRANSIT export: to AS5511 announce AS-BT-EU import: from AS5610 action pref=20; accept AS-CTIOL export: to AS5610 announce AS-BT-EU import: from AS5650 action pref=20; accept AS-ELI export: to AS5650 announce AS-BT-EU import: from AS6079 action pref=20; accept AS-RCN export: to AS6079 announce AS-BT-EU import: from AS6407 action pref=20; accept AS-PRTL-CDN export: to AS6407 announce AS-BT-EU import: from AS6453 action pref=20; accept AS-GLOBEINTERNET export: to AS6453 announce AS-BT-EU import: from AS6461 action pref=20; accept AS-ABOVE export: to AS6461 announce AS-BT-EU import: from AS6507 action pref=20; accept AS6507 export: to AS6507 announce AS-BT-EU import: from AS6661 action pref=20; accept AS-PTLU export: to AS6661 announce AS-BT-EU import: from AS6730 action pref=20; accept AS-GLOBAL export: to AS6730 announce AS-BT-EU import: from AS6762 action pref=20; accept AS-SEABONE export: to AS6762 announce AS-BT-EU import: from AS6774 action pref=20; accept AS-BELBONE export: to AS6774 announce AS-BT-EU import: from AS6805 action pref=20; accept AS-TDDE export: to AS6805 announce AS-BT-DE import: from AS6830 action pref=20; accept AS-AORTA export: to AS6830 announce AS-BT-EU import: from AS6848 action pref=20; accept AS-TELENET export: to AS6848 announce AS-BT-EU import: from AS6871 action pref=20; accept AS-PLUSNETUK export: to AS6871 announce AS-BT-EU import: from AS6881 action pref=20; accept AS-NIX export: to AS6881 announce AS-BT-EU import: from AS6939 action pref=20; accept AS-HURRICANE export: to AS6939 announce AS-BT-EU import: from AS7029 action pref=20; accept AS-WINDSTREAM export: to AS7029 announce AS-BT-EU import: from AS7132 action pref=20; accept AS-SBCIS-7132 export: to AS7132 announce AS-BT-EU import: from AS7843 action pref=20; accept AS-ROADRUNNER export: to AS7843 announce AS-BT-EU import: from AS7922 action pref=20; accept AS7922 export: to AS7922 announce AS-BT-EU import: from AS8075 action pref=20; accept AS-MICROSOFT export: to AS8075 announce AS-BT-EU import: from AS8068 action pref=20; accept AS-MICROSOFT export: to AS8068 announce AS-BT-EU import: from AS8210 action pref=20; accept AS-TELENOR export: to AS8210 announce AS-BT-EU import: from AS8220 action pref=20; accept AS-COLT export: to AS8220 announce AS-BT-EU import: from AS8283 action pref=20; accept AS-COLOCLUE export: to AS8283 announce AS-BT-EU import: from AS8365 action pref=20; accept AS-MANDA export: to AS8365 announce AS-BT6 import: from AS8447 action pref=20; accept AS-PTA and AS-TA6 export: to AS8447 announce AS-BT-EU import: from AS8473 action pref=20; accept AS-BAHNHOF export: to AS8473 announce AS-BT-EU import: from AS8487 action pref=20; accept AS-PHIBEE-TELECOM export: to AS8487 announce AS-BT-EU import: from AS8560 action pref=20; accept AS-SCHLUND export: to AS8560 announce AS-BT-EU import: from AS8674 action pref=20; accept AS-NETNOD export: to AS8674 announce AS-BT-EU import: from AS8866 action pref=20; accept AS-BTC-UP export: to AS8866 announce AS-BT-EU import: from AS8881 action pref=20; accept AS-VT-TRANSIT export: to AS8881 announce AS-BT-EU import: from AS8966 action pref=20; accept AS-EMIX export: to AS8966 announce AS-BT-EU import: from AS9002 action pref=20; accept AS-RETN export: to AS9002 announce AS-BT-EU import: from AS9009 action pref=20; accept AS-GBXS export: to AS9009 announce AS-BT-EU import: from AS9116 action pref=20; accept AS-GOLDEN export: to AS9116 announce AS-BT-EU import: from AS9121 action pref=20; accept AS-TTNET export: to AS9121 announce AS-BT-EU import: from AS9136 action pref=20; accept AS-WOBCOM export: to AS9136 announce AS-BT-EU import: from AS9318 action pref=20; accept AS9318 export: to AS9318 announce AS-BT-EU import: from AS9193 action pref=20; accept AS-SPEEDPORT export: to AS9193 announce AS-BT-EU import: from AS9498 action pref=20; accept AS9498:AS-BHARTI-IN export: to AS9498 announce AS-BT-EU import: from AS9505 action pref=20; accept AS-TWIG export: to AS9505 announce AS-BT-EU import: from AS11164 action pref=20; accept AS-TR export: to AS11164 announce AS-BT-EU import: from AS11867 action pref=20; accept AS-PRTL export: to AS11867 announce AS-BT-EU import: from AS12189 action pref=20; accept AS-PHOENIXNAP export: to AS12189 announce AS-BT-EU import: from AS12389 action pref=20; accept AS-ROSTELECOM export: to AS12389 announce AS-BT-EU import: from AS12430 action pref=20; accept AS-VODAFONE-ES export: to AS12430 announce AS-BT-EU import: from AS12552 action pref=20; accept AS12552 export: to AS12552 announce AS-BT-EU import: from AS12715 action pref=20; accept AS-JAZZTRANS export: to AS12715 announce AS-BT-EU import: from AS12741 action pref=20; accept AS-NETIA export: to AS12741 announce AS-BT-EU import: from AS12876 action pref=20; accept AS12876 export: to AS12876 announce AS-BT-EU import: from AS12956 action pref=20; accept AS-TDATANET export: to AS12956 announce AS-BT-EU import: from AS13030 action pref=20; accept AS-INIT7 export: to AS13030 announce AS-BT-EU import: from AS13335 action pref=20; accept AS-CLOUDFLARE export: to AS13335 announce AS-BT-EU import: from AS13445 action pref=20; accept AS-WEBEX export: to AS13445 announce AS-BT-EU import: from AS14061 action pref=20; accept AS14061 export: to AS14061 announce AS-BT-EU import: from AS14907 action pref=20; accept AS-WIKIMEDIA export: to AS14907 announce AS-BT-GLOBAL import: from AS14340 action pref=20; accept AS14340 export: to AS14340 announce AS-BT-EU import: from AS14361 action pref=20; accept AS-HOPONE export: to AS14361 announce AS-BT-EU import: from AS15169 action pref=20; accept AS-GOOGLE export: to AS15169 announce AS-BT-EU import: from AS15412 action pref=20; accept AS-FLAGP export: to AS15412 announce AS-BT-EU import: from AS15594 action pref=20; accept AS-NQ export: to AS15594 announce AS-BT-EU import: from AS15635 action pref=20; accept AS15635 export: to AS15635 announce AS-BT-EU import: from AS15695 action pref=20; accept AS-EXPEREO export: to AS15695 announce AS-BT-GLOBAL import: from AS15830 action pref=20; accept AS-TELECITYGROUP export: to AS15830 announce AS-BT-EU import: from AS15965 action pref=20; accept AS-CEGECOM export: to AS15965 announce AS-BT-EU import: from AS16004 action pref=20; accept AS16004 export: to AS16004 announce AS-BT-EU import: from AS16086 action pref=20; accept AS-FINNET export: to AS16086 announce AS-BT-EU import: from AS16097 action pref=20; accept AS-HLKOMM export: to AS16097 announce AS-BT-EU import: from AS16276 action pref=20; accept AS-OVH export: to AS16276 announce AS-BT-EU import: from AS16338 action pref=20; accept AS-AUNANET export: to AS16338 announce AS-BT-EU import: from AS16509 action pref=20; accept AS-AMAZON export: to AS16509 announce AS-BT-EU import: from AS19080 action pref=20; accept AS-WBS export: to AS19080 announce AS-BT-EU import: from AS19318 action pref=20; accept AS-NJIIX export: to AS19318 announce AS-BT-EU import: from AS19548 action pref=20; accept AS-ADELPHIA export: to AS19548 announce AS-BT-EU import: from AS19679 action pref=20; accept AS-DROPBOX export: to AS19679 announce AS-BT-EU import: from AS20473 action pref=20; accept AS-CHOOPA export: to AS20473 announce AS-BT-EU import: from AS20676 action pref=20; accept AS-QSC export: to AS20676 announce AS-BT-EU import: from AS20721 action pref=20; accept AS20721 export: to AS20721 announce AS-BT-EU import: from AS20940 action pref=20; accept AS-AKAMAI export: to AS20940 announce AS-BT-EU import: from AS20965 action pref=20; accept AS-GEANTNRN export: to AS20965 announce AS-BT-EU import: from AS21277 action pref=20; accept AS-NT export: to AS21277 announce AS-BT-EU import: from AS21859 action pref=20; accept AS21859 export: to AS21859 announce AS-BT-EU import: from AS22212 action pref=20; accept AS-INTERNAP export: to AS22212 announce AS-BT-EU import: from AS24875 action pref=20; accept AS24940 export: to AS24875 announce AS-BT-EU import: from AS24940 action pref=20; accept AS24940 export: to AS24940 announce AS-BT-EU import: from AS24961 action pref=20; accept AS-MYLOC export: to AS24961 announce AS-BT-EU import: from AS25152 action pref=20; accept AS25152 export: to AS25152 announce AS-BT-EU import: from AS25973 action pref=20; accept AS-MZIMA export: to AS25973 announce AS-BT-EU import: from AS27319 action pref=20; accept as27319:AS-PEERS export: to AS27319 announce AS-BT-EU import: from AS29518 action pref=20; accept AS-BREDBAND2 export: to AS29518 announce AS-BT-EU import: from AS29119 action pref=20; accept AS-SERVIHOSTING export: to AS29119 announce AS-BT-EU import: from AS29405 action pref=20; accept AS-VNET export: to AS29405 announce AS-BT-EU import: from AS30081 action pref=20; accept AS-CACHENETWORKS export: to AS30081 announce AS-BT-EU import: from AS30103 action pref=20; accept AS30103 export: to AS30103 announce AS-BT-EU import: from AS30781 action pref=20; accept AS-JAGUAR export: to AS30781 announce AS-BT-EU import: from AS31027 action pref=20; accept AS-NIANET export: to AS31027 announce AS-BT-EU import: from AS31449 action pref=20; accept AS-BELCENTER export: to AS31449 announce AS-BT-EU import: from AS31529 action pref=20; accept AS-DENIC-ANY export: to AS31529 announce AS-BT-EU import: from AS32590 action pref=20; accept AS-VALVE export: to AS32590 announce AS-BT-EU import: from AS32787 action pref=20; accept AS-PROLE export: to AS32787 announce AS-BT-EU import: from AS32934 action pref=20; accept AS32934 export: to AS32934 announce AS-BT-EU import: from AS33353 action pref=20; accept AS-GAIKAI export: to AS33353 announce AS-BT-EU import: from AS33891 action pref=20; accept AS-CORE-BACKBONE export: to AS33891 announce AS-BT-EU import: from AS34442 action pref=20; accept AS-XIFOS export: to AS34442 announce AS-BT-EU import: from AS35280 action pref=20; accept AS-F5 export: to AS35280 announce AS-BT-EU import: from AS36119 action pref=20; accept AS-IMEEM export: to AS36119 announce AS-BT-EU import: from AS36351 action pref=20; accept AS36351 export: to AS36351 announce AS-BT-EU import: from AS36692 action pref=20; accept AS-OPENDNS export: to AS36692 announce AS-BT-EU import: from AS37100 action pref=20; accept AS-SET-SEACOM export: to AS37100 announce AS-BT-EU import: from AS37468 action pref=20; accept AS-ANGOLACABLES export: to AS37468 announce AS-BT-GLOBAL import: from AS39737 action pref=20; accept AS-39737 export: to AS39737 announce AS-BT-EU import: from AS39743 action pref=20; accept AS-VOXILITY-SET export: to AS39743 announce AS-BT-EU import: from AS40009 action pref=20; accept AS-BITGRAVITY export: to AS40009 announce AS-BT-EU import: from AS42708 action pref=20; accept AS-PORTLANE export: to AS42708 announce AS-BT-EU import: from AS43996 action pref=20; accept AS-BOOKING export: to AS43996 announce AS-BT-EU import: from AS44034 action pref=20; accept AS-Hi3G export: to AS44034 announce AS-BT-EU import: from AS45102 action pref=20; accept AS-ALIBABA-CN-NET export: to AS45102 announce AS-BT-EU import: from AS45489 action pref=20; accept AS-SLT-GLOBAL export: to AS45489 announce AS-BT-EU import: from AS46489 action pref=20; accept AS46489:AS-JUSTINTV export: to AS46489 announce AS-BT-EU import: from AS47447 action pref=20; accept AS-23MEDIA export: to AS47447 announce AS-BT-EU import: from AS49544 action pref=20; accept AS-INTERACTIVE3D export: to AS49544 announce AS-BT-EU import: from AS49981 action pref=20; accept AS-WORLDSTREAM export: to AS49981 announce AS-BT-EU import: from AS50304 action pref=20; accept AS-BLIX export: to AS50304 announce AS-BT-EU import: from AS52320 action pref=20; accept AS-GNT export: to AS52320 announce AS-BT-EU import: from AS53766 action pref=20; accept AS-VMWARE-SASE export: to AS53766 announce AS-BT-EU import: from AS54994 action pref=20; accept AS54994 export: to AS54994 announce AS-BT-EU import: from AS55256 action pref=20; accept AS-NETSKOPE export: to AS55256 announce AS-BT-EU import: from AS56665 action pref=20; accept AS-PROXIMUS export: to AS56665 announce AS-BT-EU import: from AS57976 action pref=20; accept AS57976 export: to AS57976 announce AS-BT-EU import: from AS58453 action pref=20; accept AS-CMI-ALL export: to AS58453 announce AS-BT-EU import: from AS60064 action pref=20; accept AS-HOSTPALACE export: to AS60064 announce AS-BT-EU import: from AS60068 action pref=20; accept AS-CDN77 export: to AS60068 announce AS-BT-EU import: from AS61215 action pref=20; accept AS61215 export: to AS61215 announce AS-BT-EU import: from AS62955 action pref=20; accept AS62955 export: to AS62955 announce AS-BT-EU import: from AS63949 action pref=20; accept AS-LINODE export: to AS63949 announce AS-BT-EU import: from AS132203 action pref=20; accept AS-TENCENT export: to AS132203 announce AS-BT-EU import: from AS132876 action pref=20; accept AS-132876 export: to AS132876 announce AS-BT-EU import: from AS139057 action pref=20; accept AS139057:AS-CONE export: to AS139057 announce AS-BT-EU import: from AS199524 action pref=20; accept AS-GCORE export: to AS199524 announce AS-BT-EU import: from AS202276 action pref=20; accept AS-IBOSS export: to AS202276 announce AS-BT-EU import: from AS394070 action pref=20; accept AS-394070 export: to AS394070 announce AS-BT-EU import: from AS396986 action pref=20; accept AS-BYTEDANCE export: to AS396986 announce AS-BT-EU admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT remarks: remarks: ALL peering requests see remarks: www.bt.net/cgi-bin/peering-request remarks: remarks: for technical issues, pls contact: peering@bt.com remarks: remarks: for abuse, pls contact abuse@eu.bt.net remarks: remarks: 24/7 NOC email / network@bt.com remarks: 24/7 NOC phone / +44 203 7882214 opt 1 remarks: remarks: This object describes non-customer peerings remarks: Customer peerings are described in the macro AS-BT-XX remarks: (replace XX with the country code NL, UK, BE, IE,etc) remarks: remarks: Communities scheme: remarks: The following BGP communities can be set by BT remarks: BGP customers to affect announcements to major peers. remarks: remarks: ****************************************************** remarks: remarks: 5400:NXXX remarks: N=1 not announce remarks: N=2 prepend an extra "5400 5400" on announcement remarks: Valid values for XXX: remarks: 000 All peers and transits remarks: 500 All transits remarks: 503 Colt AS3356 remarks: 509 Arelion AS1299 remarks: 002 Sprint AS1239 remarks: 004 Vodafone Global Network AS1273 remarks: 005 Verizon EMEA AS702 remarks: 014 DTAG AS3320 remarks: 016 Orange AS5511 remarks: 018 Tata Communications Ltd AS6453 remarks: 023 GTT Communications AS3257 remarks: 045 Telecom Italia Sparkle AS6762 remarks: 073 GTT Communications AS286 remarks: 169 Cogent AS174 remarks: 177 Telxius Cable AS12956 remarks: 177 Telefonica Germany GmbH AS6805 remarks: 190 Comcast AS7922 remarks: 191 Highwinds Network Group AS12989 remarks: 300 All other peers remarks: ------------------------------------------------------ remarks: remarks: AS5400 is matching RPKI validation state and reject remarks: invalid prefixes from peers and customers. remarks: remarks: Our looking-glass marks validation state for all remarks: prefixes : http://www.bt.net/looking-glass.html remarks: remarks: Please review your registered ROAs to reduce number remarks: of invalid prefixes. remarks: remarks: ------------------------------------------------------ mnt-by: CIP-MNT created: 2002-08-29T09:47:11Z last-modified: 2026-03-18T06:09:10Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************

Exchange	CC	City	IPv4	IPv6
AMS-IX	NL	Amsterdam	80.249.208.108 80.249.215.8	2001:7f8:1::a500:5400:1 2001:7f8:1::a500:5400:2
Any2 West	US	Los Angeles	206.72.211.151	2001:504:13::211:151
BBIX Osaka	JP	Osaka	218.100.9.226 218.100.9.222	2001:de8:c:2::5400:2 2001:de8:c:2::5400:1
BBIX Tokyo	JP	Tokyo	101.203.90.174 101.203.90.173	2001:de8:c::5400:1 2001:de8:c::5400:2
BIX Budapest	HU	Budapest	193.188.137.53	2001:7f8:35::5400:1
BNIX	BE	Brussels	194.53.172.112	2001:7f8:26::a500:5400:2 2001:7f8:26::a500:5400:1
DE-CIX Dusseldorf	DE	Düsseldorf	185.1.170.6	2001:7f8:9e::1518:0:1
DE-CIX Frankfurt	DE	Frankfurt	80.81.193.84 80.81.196.177 80.81.196.97	2001:7f8::1518:0:3 2001:7f8::1518:0:1 2001:7f8::1518:0:2
DE-CIX Lisbon	PT	Lisbon	185.1.131.31	2001:7f8:d5::1518:0:1
DE-CIX Madrid	ES	Madrid	185.1.192.60 185.1.192.141	2001:7f8:a0::1518:0:1 2001:7f8:a0::1518:0:2
DE-CIX Marseille	FR	Marseille	185.1.47.94 185.1.47.45	2001:7f8:36::1518:0:2 2001:7f8:36::1518:0:1
DE-CIX Munich	DE	Munich	185.1.208.35 185.1.208.83	2001:7f8:44::1518:0:2 2001:7f8:44::1518:0:1
Digital Realty \| Telx Atlanta	US	Atlanta	206.126.110.247	2001:504:17:110::247
DIX	DK	Copenhagen	192.38.7.14	2001:7f8:1f::5400:14:0
Equinix Amsterdam	NL	Amsterdam	185.1.112.118	2001:7f8:83::5400:1
Equinix Ashburn	US	Ashburn	206.126.236.5 206.126.239.113 206.126.236.140	2001:504:0:2::5400:2 2001:504:0:2::5400:3 2001:504:0:2::5400:1
Equinix Atlanta	US	Atlanta	198.32.182.10	2001:504:10::5400:1
Equinix Chicago	US	Chicago	208.115.136.91	2001:504:0:4::5400:1
Equinix Dallas	US	Dallas	206.223.118.76	2001:504:0:5::5400:1
Equinix Helsinki	FI	Helsinki	185.1.86.32	2001:7f8:af::5400:1
Equinix Hong Kong	HK	Hong Kong	36.255.57.197 36.255.56.119	2001:de8:7::5400:2 2001:de8:7::5400:1
Equinix Los Angeles	US	Los Angeles	206.223.123.87	2001:504:0:3::5400:1
Equinix Miami (formerly NOTA)	US	Miami	198.32.243.51 198.32.243.156	2001:504:0:6::5400:1 2001:504:0:6::5400:2
Equinix New York	US	New York	198.32.118.96	2001:504:f::5400:1
Equinix Paris	FR	Paris		2001:7f8:43::5400:1
Equinix Singapore	SG	Singapore	27.111.231.55 27.111.231.53	2001:de8:4::5400:1 2001:de8:4::5400:2
Equinix Tokyo	JP	Tokyo	203.190.231.38 203.190.231.39	2001:de8:5::5400:2 2001:de8:5::5400:1
Equinix Warsaw	PL	Warsaw	195.182.219.242	2001:7f8:42::a500:5400:1
ESPANIX Lower LAN	ES	Madrid	193.149.1.43	2001:7f8:f::57
FICIX Espoo	FI	Espoo	193.110.226.12	2001:7f8:7:a::5400:1
France-IX	FR	Paris	37.49.238.190 37.49.238.196 37.49.237.2	2001:7f8:54::2:190 2001:7f8:54::2:196 2001:7f8:54::1:2
France-IX Marseille	FR	Marseille	37.49.232.87	2001:7f8:54:5::87
HKIX	HK	Hong Kong	123.255.90.47 123.255.90.46	2001:7fa:0:1::ca28:a02f 2001:7fa:0:1::ca28:a02e
INEX	IE	Dublin	185.6.36.116	2001:7f8:18::116
JPIX Osaka	JP	Osaka	103.246.232.137 103.246.232.138	2001:de8:8:6::5400:2 2001:de8:8:6::5400:1
LINX LON1	GB	London	195.66.231.212 195.66.224.108 195.66.228.9	2001:7f8:4::1518:1 2001:7f8:4::1518:2 2001:7f8:4::1518:8
LINX LON2	GB	London	195.66.236.108	2001:7f8:4:1::1518:1
LU-CIX	LU	Luxembourg	188.93.170.69	2001:7f8:4c::1518:1
MIX-IT	IT	Milan	217.29.66.119	2001:7f8:b:100:1d1:a5d0:5400:119
Netnod Copenhagen BLUE	DK	Malmo	212.237.192.109	2001:7f8:d:202::109
Netnod Copenhagen GREEN	DK	Malmo	212.237.193.109	2001:7f8:d:203::109
Netnod Stockholm BLUE -- MTU1500	SE	Stockholm	194.68.128.109	2001:7f8:d:fe::109
Netnod Stockholm GREEN -- MTU1500	SE	Stockholm	194.68.123.109	2001:7f8:d:ff::109
NIX	NO	Oslo	185.1.55.62	2001:7f8:12:1::5400
NIX.CZ	CZ	Prague	91.210.16.40	2001:7f8:14::4b:1
NL-IX	NL	Amsterdam	193.239.117.109	2001:7f8:13::a500:5400:1
NYIIX	US	New York	198.32.160.172 198.32.160.80 198.32.160.179	2001:504:1::a500:5400:2 2001:504:1::a500:5400:3 2001:504:1::a500:5400:1
PTT São Paulo	BR	São Paulo	187.16.217.237 187.16.214.171	2001:12f8::214:171 2001:12f8::217:237
SwissIX	CH	Zurich	91.206.52.138	2001:7f8:24::1518:0:1 2001:7f8:24::8a
TORIX	CA	Toronto	206.108.34.72 206.108.34.71	2001:504:1a::34:72 2001:504:1a::34:71
VIX	AT	Vienna	193.203.0.229	2001:7f8:30:0:2:1:0:5400

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