AS51561 ICUK Computing Services Limited

Company Website:

https://www.icuk.net/

Looking Glass:

https://bgp.he.net/lg/51561

Country of Origin:

Internet Exchanges: 3

Prefixes Originated (all): 73
Prefixes Originated (v4): 71
Prefixes Originated (v6): 2

Prefixes Announced (all): 73
Prefixes Announced (v4): 71
Prefixes Announced (v6): 2

RPKI Originated Valid (all): 6
RPKI Originated Valid (v4): 6
RPKI Originated Valid (v6): 0

RPKI Originated Invalid (all): 1
RPKI Originated Invalid (v4): 1
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 158
BGP Peers Observed (v4): 147
BGP Peers Observed (v6): 110

IPs Originated (v4): 72,704
AS Paths Observed (v4): 2,472
AS Paths Observed (v6): 1,205

Average AS Path Length (all): 3.696
Average AS Path Length (v4): 3.686
Average AS Path Length (v6): 3.715

AS51561 IPv4 Peers

ASN	Name
AS13335	Cloudflare, Inc.
AS3356	Level 3 Parent, LLC
AS174	Cogent Communications, LLC
AS2914	NTT America, Inc.
AS6939	Hurricane Electric LLC

AS51561 IPv6 Peers

ASN	Name
AS174	Cogent Communications, LLC
AS6939	Hurricane Electric LLC
AS3356	Level 3 Parent, LLC
AS2914	NTT America, Inc.
AS9002	RETN Limited
AS34927	iFog GmbH
AS137409	GSL Networks Pty LTD
AS14840	BR.Digital Telecom
AS7195	EDGEUNO S.A.S

AS51561 IPv4 Peer Count

AS51561 IPv6 Peer Count

AS51561 IPv4 Prefixes Announced

AS51561 IPv6 Prefixes Announced

AS51561 IPv4 Prefixes Originated

AS51561 IPv6 Prefixes Originated

AS51561 IPv4 Route Propagation

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AS51561 IPv6 Route Propagation

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Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
2.56.84.0/22	ICUK Computing Services Limited
5.133.168.0/23	Jibba Jabba Internet Services Ltd
5.133.170.0/23	Jibba Jabba Internet Services Ltd
5.254.162.0/23	Gary Hall
5.254.164.0/23	ADSL_MA
37.235.43.0/24	Shetland Broadband LLP
45.93.112.0/22	ICUK Computing Services Limited
45.93.112.0/23	ICUK Computing Services Limited
45.145.86.0/23	Fluidity Connect Limited
46.33.128.0/19	ICUK Computing Services Limited
46.33.128.0/24	Interdsl Network Structure
46.33.130.0/24	Interdsl
46.33.156.0/24	ICUK Computing Services Limited
46.102.192.0/19	ICUK Computing Services Limited
46.102.192.0/24	Interdsl
46.102.193.0/24	Interdsl
46.226.120.0/24	Agile ICT Ltd
80.93.207.0/24	NET-80-93-207-0-24
80.95.192.0/20	ICUK Computing Services Limited
80.209.128.0/19	ICUK Computing Services Limited
80.209.128.0/24	ICUK Computing Services Limited
80.209.155.0/24	ICUK Computing Services Limited
80.209.159.0/24	ICUK Computing Services Limited
80.209.160.0/20	ICUK Computing Services Limited
80.209.176.0/21	ICUK Computing Services Limited
80.209.184.0/22	ICUK Computing Services Limited
80.209.188.0/23	ICUK Computing Services Limited
80.247.216.0/24	CEF (W) SA
82.39.142.0/24	VersaTek
89.107.24.0/22	CSD Communications Ltd
91.233.33.0/24	Metropolitan Networks UK Ltd
138.124.128.0/20	ICUK Computing Services Limited
138.124.128.0/24	ICUK Computing Services Limited
138.124.134.0/24	ICUK Computing Services Limited
138.124.135.0/24	ICUK Computing Services Limited
138.124.136.0/24	ICUK Computing Services Limited
138.124.137.0/24	ICUK Computing Services Limited
138.124.138.0/24	ICUK Computing Services Limited
138.124.142.0/24	ICUK Computing Services Limited
181.215.32.0/24	No Metric Limited
185.2.236.0/22	ICUK Computing Services Limited
185.32.55.0/24	David Tomlinson & Paul McAllion trading as Lantec Systems
185.35.148.0/22	ICUK Computing Services Limited
185.35.148.0/24	Interdns Infrastructure
185.35.149.0/24	Interdns Dedicated Servers
185.35.150.0/24
185.35.151.0/24
185.132.52.0/24	Mo's Operations GmbH
185.137.240.0/24	ICUK Global CDN Platform
185.140.16.0/23	ICUK Computing Services Limited
185.140.18.0/23	ICUK Computing Services Limited
185.145.152.0/22	ICUK Computing Services Limited
185.145.152.0/24	ICUK Computing Services Limited
185.152.2.0/24	Will Dear
185.201.208.0/22	CTR Communications Limited
185.234.255.0/24	Network 79 Ltd
185.243.62.0/24	Multidata Ltd
185.243.63.0/24	Multidata Ltd
185.253.88.0/24	Adrian Morris
188.211.249.0/24	Select Comms LTD
188.240.160.0/19	ICUK Computing Services Limited
188.240.160.0/24	Interdsl
188.240.172.0/24	Interdsl
188.240.173.0/24	Interdsl
188.240.191.0/24	Interdsl
193.161.9.0/24	HP Networks Ltd
193.161.10.0/24	HP Networks Ltd
193.187.0.0/24	Select Comms LTD
205.157.160.0/19	ICUK Computing Services Limited
205.157.160.0/24	ICUK Computing Services Limited
217.22.12.0/24	Wave Mobile Ltd

Prefix	Description	Visibility
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Prefix	Description
2a00:b900::/32	ICUK Computing Services Limited
2a00:b900:2::/48	ICUK Computing Services Limited

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Cloudflare, Inc.		AS13335
2	Level 3 Parent, LLC	X	AS3356
3	Cogent Communications, LLC	X	AS174
4	NTT America, Inc.	X	AS2914
5	Hurricane Electric LLC	X	AS6939
6	GSL Networks Pty LTD	X	AS137409
7	INTERKVM HOST SRL	X	AS6204
8	BR.Digital Telecom	X	AS14840
9	Angola Cables		AS37468
10	Cilix Limited	X	AS215638
11	Exascale Ltd		AS61049
12	Core-Backbone GmbH	X	AS33891
13	iFog GmbH	X	AS34927
14	PJSC "Vimpelcom"		AS3216
15	IP-Max SA	X	AS25091
16	atom86 BV	X	AS8455
17	EDGEUNO S.A.S	X	AS7195
18	Zayo Infrastructure France SA	X	AS8218
19	meerfarbig GmbH & Co. KG	X	AS34549
20	Inter.link GmbH	X	AS5405
21	Broadband Hosting B.V.	X	AS20562
22	F5 Networks SARL	X	AS35280
23	Flag Telecom UK Limited		AS15412
24	Global Network Management Inc	X	AS31500
25	Bharti Airtel Ltd		AS9498
26	GlobalConnect AB	X	AS12552
27	Blix Solutions AS		AS50304
28	GGNET TELECOMUNICACOES LTDA		AS53062
29	SEACOM Limited	X	AS37100
30	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
31	IELO-LIAZO SERVICES SAS	X	AS29075
32	xTom GmbH	X	AS3214
33	Network Platforms (PTY) LTD		AS37497
34	Dimension Data		AS3741
35	Fiber Telecom S.p.A.	X	AS41327
36	Liquid Telecommunications Ltd	X	AS30844
37	PEER 1031 LLC	X	AS1031
38	31173 Services AB	X	AS39351
39	Blacknight Internet Solutions Limited	X	AS39122
40	MIGO TELECOM		AS263152
41	ARISTO NETWORKS LTD		AS216265
42	IT.Gate S.p.A.	X	AS12779
43	euNetworks GmbH		AS13237
44	Viewqwest Pte Ltd	X	AS18106
45	Stadtwerke Feldkirch	X	AS48362
46	VeloxServ Communications Ltd	X	AS3170
47	SG.GS	X	AS24482
48	West Indian Ocean Cable Company	X	AS37662
49	Emirates Integrated Telecommunications Company PJSC	X	AS15802
50	Administracion Nacional de Telecomunicaciones	X	AS6057
51	Telkom SA Ltd.	X	AS5713
52	Celeste SAS	X	AS34177
53	MTN SA		AS16637
54	MTS PJSC		AS8359
55	WIND TRE S.P.A.		AS1267
56	Lancom Ltd.	X	AS199081
57	Kantonsschule Zug	X	AS34288
58	Peravix Group LTD	X	AS204208
59	Jump Networks Ltd	X	AS8943
60	Wifirst S.A.S.	X	AS52075
61	CustodianDC Limited	X	AS50300
62	Continent 8 LLC	X	AS14537
63	Unitas Global	X	AS1828
64	Anexia Cloud Solutions GmbH	X	AS42473
65	Misaka Network, Inc.	X	AS917
66	Anycast Global Backbone	X	AS58511
67	INFORBARRA TELECOM		AS263903
68	Claranet Limited	X	AS8426
69	i3D.net B.V	X	AS49544
70	Invesco Group Services, Inc.	X	AS14630
71	Jakub Krsa		AS214757
72	Jude Gabriel Powell	X	AS213798
73	Ote SA (Hellenic Telecommunications Organisation)		AS12713
74	Tiggee LLC	X	AS16552
75	NetActuate, Inc	X	AS36236
76	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
77	Public Internet Ltd		AS28792
78	NOVACONN SRL	X	AS203462
79	Converge ICT Solutions Inc.	X	AS17639
80	PT. Cyberindo Aditama		AS38158
81	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
82	Virtual Technologies & Solutions	X	AS37721
83	Proximus Luxembourg S.A.	X	AS56665
84	Inferno Communications Ltd	X	AS207841
85	S3 Company Ltd		AS4849
86	Rocket Fibre Ltd	X	AS8801
87	Micron21 Datacentre Pty Ltd		AS38880
88	PT. Internet Madju Abad Milenindo	X	AS45701
89	Main one Cable Company Nigeria Limited		AS37282
90	AFR-IX TELECOM S.A.	X	AS60171
91	Axclusive	X	AS132337
92	IX Reach Ltd	X	AS4455
93	Neterra Ltd.		AS34224
94	Kanton Zug	X	AS51907
95	Wavenet Limited	X	AS5413
96	M247 Europe SRL		AS9009
97	Gentlent GmbH	X	AS52112
98	Telehouse EAD		AS57344
99	DSM (GB) Limited	X	AS48070
100	Netia SA		AS12741
101	Cogent Communications, LLC	X	AS1239
102	Convergenze S.p.A.	X	AS39120
103	Vorboss Limited	X	AS25160
104	James Cahill	X	AS214749
105	SARL IPSET	X	AS206014
106	Ljosleidarinn ehf		AS12969
107	TurkNet Iletisim Hizmetleri A.S.		AS12735
108	team.blue NV	X	AS48185
109	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
110	Hetzner Online GmbH	X	AS24940
111	KDDI Europe Ltd	X	AS6894
112	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
113	Sota Solutions Ltd.	X	AS31742
114	BSE Software GmbH		AS9044
115	ADISTA SAS	X	AS16347
116	Australian Academic and Research Network (AARNet)		AS7575
117	Primetel PLC		AS8544
118	MainStreaming SpA	X	AS51185
119	SNETTERTON TELECOM LIMITED		AS201060
120	RISE	X	AS63927
121	Novelcomm LP	X	AS206735
122	Tismi BV	X	AS62167
123	Connectivia S.r.l	X	AS207594
124	NetIX Communications JSC	X	AS57463
125	OVH SAS	X	AS16276
126	Webmate Internet Services Ltd.		AS199204
127	MC-IX Matrix Internet Exchange RS-1		AS55818
128	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
129	Conor Lewis	X	AS214420
130	Inovare-Prim SRL	X	AS60602
131	SIACOM JSC	X	AS198150
132	EX Networks Limited	X	AS35266
133	LINK AMERICAN		AS1000
134	Adam Goodenough	X	AS210667
135	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
136	Vodacom	X	AS36994
137	IP TELECOM	X	AS61573
138	China Mobile International Limited		AS58453
139	Valve Corporation		AS32590
140	IP ServerOne Solutions Sdn Bhd		AS45352
141	Rackdog, LLC	X	AS398465
142			AS65102
143	Worldline IGSA SA	X	AS47957
144	Dyjix SAS		AS212815
145	CORIX NETWORKS		AS999
146	Cool Ideas Service Provider (Pty) Ltd		AS37680
147	Patrizio Palumbo	X	AS211358

Rank	Description	IPv4	Peer
1	Cogent Communications, LLC	X	AS174
2	Hurricane Electric LLC	X	AS6939
3	Level 3 Parent, LLC	X	AS3356
4	NTT America, Inc.	X	AS2914
5	RETN Limited		AS9002
6	iFog GmbH	X	AS34927
7	GSL Networks Pty LTD	X	AS137409
8	BR.Digital Telecom	X	AS14840
9	EDGEUNO S.A.S	X	AS7195
10	meerfarbig GmbH & Co. KG	X	AS34549
11	IP-Max SA	X	AS25091
12	xTom GmbH	X	AS3214
13	SEACOM Limited	X	AS37100
14	Cilix Limited	X	AS215638
15	F5 Networks SARL	X	AS35280
16	INTERKVM HOST SRL	X	AS6204
17	Liquid Telecommunications Ltd	X	AS30844
18	Zayo Infrastructure France SA	X	AS8218
19	IELO-LIAZO SERVICES SAS	X	AS29075
20	Zain Omantel International FZ-LLC		AS8529
21	Stadtwerke Feldkirch	X	AS48362
22	CJSC RASCOM		AS20764
23	atom86 BV	X	AS8455
24	Viewqwest Pte Ltd	X	AS18106
25	Inter.link GmbH	X	AS5405
26	Core-Backbone GmbH	X	AS33891
27	GlobalConnect AB	X	AS12552
28	MoeDove LLC		AS44324
29	Peravix Group LTD	X	AS204208
30	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
31	Global Network Management Inc	X	AS31500
32	31173 Services AB	X	AS39351
33	Fiber Telecom S.p.A.	X	AS41327
34	Administracion Nacional de Telecomunicaciones	X	AS6057
35	SARL IPSET	X	AS206014
36	IX Reach Ltd	X	AS4455
37	IP TELECOM	X	AS61573
38	NetActuate, Inc	X	AS36236
39	team.blue NV	X	AS48185
40	Emirates Integrated Telecommunications Company PJSC	X	AS15802
41	Gentlent GmbH	X	AS52112
42	ParadoxNetworks Limited		AS52025
43	Continent 8 LLC	X	AS14537
44	Novelcomm LP	X	AS206735
45	Sota Solutions Ltd.	X	AS31742
46	Kanton Zug	X	AS51907
47	NetIX Communications JSC	X	AS57463
48	Jump Networks Ltd	X	AS8943
49	Convergenze S.p.A.	X	AS39120
50	EX Networks Limited	X	AS35266
51	Converge ICT Solutions Inc.	X	AS17639
52	NOVACONN SRL	X	AS203462
53	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
54	Rackdog, LLC	X	AS398465
55	Adam Goodenough	X	AS210667
56	Tismi BV	X	AS62167
57	Unitas Global	X	AS1828
58	Lewis Foster		AS215332
59	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
60	Celeste SAS	X	AS34177
61	PEER 1031 LLC	X	AS1031
62	Broadband Hosting B.V.	X	AS20562
63	OVH SAS	X	AS16276
64	Johannes Ernst		AS212895
65	Patrizio Palumbo	X	AS211358
66	Telkom SA Ltd.	X	AS5713
67	Lancom Ltd.	X	AS199081
68	Digiweb ltd		AS31122
69	SIACOM JSC	X	AS198150
70	MainStreaming SpA	X	AS51185
71	Cogent Communications, LLC	X	AS1239
72	Virtual Technologies & Solutions	X	AS37721
73	Worldline IGSA SA	X	AS47957
74	Claranet Limited	X	AS8426
75	Vodacom	X	AS36994
76	Vorboss Limited	X	AS25160
77	Anycast Global Backbone	X	AS58511
78	VeloxServ Communications Ltd	X	AS3170
79	ADISTA SAS	X	AS16347
80	Jude Gabriel Powell	X	AS213798
81	Tiggee LLC	X	AS16552
82	CustodianDC Limited	X	AS50300
83	James Cahill	X	AS214749
84	RISE	X	AS63927
85	KDDI Europe Ltd	X	AS6894
86	Hetzner Online GmbH	X	AS24940
87	DSM (GB) Limited	X	AS48070
88	Invesco Group Services, Inc.	X	AS14630
89	Wifirst S.A.S.	X	AS52075
90	Misaka Network, Inc.	X	AS917
91	i3D.net B.V	X	AS49544
92	SG.GS	X	AS24482
93	TECHIT.BE SRL		AS213241
94	Joseph Rawlings trading as Virtnet.bond		AS214022
95	Kantonsschule Zug	X	AS34288
96	PT. Internet Madju Abad Milenindo	X	AS45701
97	Rocket Fibre Ltd	X	AS8801
98	Wavenet Limited	X	AS5413
99	Proximus Luxembourg S.A.	X	AS56665
100	West Indian Ocean Cable Company	X	AS37662
101	Anexia Cloud Solutions GmbH	X	AS42473
102	Conor Lewis	X	AS214420
103	AFR-IX TELECOM S.A.	X	AS60171
104	IT.Gate S.p.A.	X	AS12779
105	Inferno Communications Ltd	X	AS207841
106	Data Communication Business Group		AS3462
107	Inovare-Prim SRL	X	AS60602
108	Connectivia S.r.l	X	AS207594
109	Blacknight Internet Solutions Limited	X	AS39122
110	Axclusive	X	AS132337

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RIPE

aut-num: AS51561 as-name: AS-ICUK org: ORG-ICSL4-RIPE import: from AS174 accept ANY import: from AS3356 accept ANY import: from AS2914 accept ANY export: to AS174 announce AS-ICUK export: to AS3356 announce AS-ICUK export: to AS2914 announce AS-ICUK admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: ICUK-MNT created: 2010-09-28T13:41:49Z last-modified: 2026-02-24T16:52:22Z source: RIPE remarks: cf-validation: 30b6d34f3d64496a9a733f6622439db3 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
LINX LON1	GB	London	195.66.226.191	2001:7f8:4::c969:1
LINX LON2	GB	London	195.66.238.191	2001:7f8:4:1::c969:1
LoNAP	GB	London	5.57.81.134	2001:7f8:17::c969:1

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