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): 74
Prefixes Originated (v4): 72
Prefixes Originated (v6): 2

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

RPKI Originated Valid (all): 7
RPKI Originated Valid (v4): 7
RPKI Originated Valid (v6): 0

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

BGP Peers Observed (all): 154
BGP Peers Observed (v4): 144
BGP Peers Observed (v6): 83

IPs Originated (v4): 72,704
AS Paths Observed (v4): 2,476
AS Paths Observed (v6): 1,203

Average AS Path Length (all): 3.704
Average AS Path Length (v4): 3.699
Average AS Path Length (v6): 3.716

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
AS215638	Cilix Limited

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

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	ADSL_MA
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
80.209.190.0/23	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
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	NWIMS-Communications
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
185.168.10.0/24	ESSENSYS (UK) Ltd.
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	Cilix Limited	X	AS215638
7	BR.Digital Telecom		AS14840
8	Inter.link GmbH	X	AS5405
9	Angola Cables		AS37468
10	iFog GmbH	X	AS34927
11	INTERKVM HOST SRL	X	AS6204
12	IP-Max SA	X	AS25091
13	PJSC "Vimpelcom"		AS3216
14	EDGEUNO S.A.S	X	AS7195
15	ALT\|GGNET TELECOM BACKBONE		AS53062
16	GSL Networks Pty LTD	X	AS137409
17	Zayo Infrastructure France SA	X	AS8218
18	F5 Networks SARL	X	AS35280
19	Exascale Ltd		AS61049
20	SEACOM Limited	X	AS37100
21	Core-Backbone GmbH		AS33891
22	meerfarbig GmbH & Co. KG	X	AS34549
23	Bharti Airtel Ltd		AS9498
24	PEER 1031 LLC		AS1031
25	GlobalConnect AB		AS12552
26	xTom GmbH	X	AS3214
27	Blix Solutions AS		AS50304
28	Global Network Management Inc		AS31500
29	31173 Services AB	X	AS39351
30	Flag Telecom UK Limited		AS15412
31	Broadband Hosting B.V.		AS20562
32	i3D.net B.V	X	AS49544
33	West Indian Ocean Cable Company	X	AS37662
34	Liquid Telecommunications Ltd	X	AS30844
35	ARISTO NETWORKS LTD		AS216265
36	IELO-LIAZO SERVICES SAS	X	AS29075
37	Network Platforms (PTY) LTD		AS37497
38	Dimension Data		AS3741
39	MIGO TELECOM		AS263152
40	ONETIS TECNOLOGIA LTDA		AS267256
41	MTN SA		AS16637
42	Viewqwest Pte Ltd		AS18106
43	Stadtwerke Feldkirch	X	AS48362
44	Blacknight Internet Solutions Limited	X	AS39122
45	Telkom SA Ltd.		AS5713
46	euNetworks GmbH		AS13237
47	Fiber Telecom S.p.A.	X	AS41327
48	Administracion Nacional de Telecomunicaciones	X	AS6057
49	Ote SA (Hellenic Telecommunications Organisation)		AS12713
50	IT.Gate S.p.A.	X	AS12779
51	atom86 BV	X	AS8455
52	SG.GS	X	AS24482
53	Celeste SAS	X	AS34177
54	MC-IX Matrix Internet Exchange RS-1		AS55818
55	James Cahill	X	AS214749
56	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
57	AFR-IX TELECOM S.A.	X	AS60171
58	WIND TRE S.P.A.		AS1267
59	Anexia Cloud Solutions GmbH	X	AS42473
60	Conor Lewis	X	AS214420
61	Emirates Integrated Telecommunications Company PJSC		AS15802
62	Tiggee LLC	X	AS16552
63	KDDI Europe Ltd		AS6894
64	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
65	MainStreaming SpA	X	AS51185
66	Adam Goodenough	X	AS210667
67	Vorboss Limited	X	AS25160
68	Gentlent GmbH	X	AS52112
69	SARL IPSET		AS206014
70	Kantonsschule Zug	X	AS34288
71	SIACOM JSC		AS198150
72	ASN block not managed by the RIPE NCC		AS65101
73	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
74	Convergenze S.p.A.		AS39120
75	Axclusive		AS132337
76	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
77	Tismi BV	X	AS62167
78	Cool Ideas Service Provider (Pty) Ltd		AS37680
79	NOVACONN SRL	X	AS203462
80	IP TELECOM	X	AS61573
81	Sota Solutions Ltd.	X	AS31742
82	INFORBARRA TELECOM		AS263903
83	Anycast Global Backbone	X	AS58511
84	Valve Corporation		AS32590
85	Worldline IGSA SA		AS47957
86	Claranet Limited	X	AS8426
87	Peravix Group LTD		AS204208
88	NetIX Communications JSC		AS57463
89	PT. Cyberindo Aditama		AS38158
90	RISE	X	AS63927
91	Lancom Ltd.		AS199081
92	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
93	OVH SAS	X	AS16276
94	Virtual Technologies & Solutions		AS37721
95	Inferno Communications Ltd		AS207841
96	Patrizio Palumbo	X	AS211358
97	Netia SA		AS12741
98	BSE Software GmbH		AS9044
99	Philippine Long Distance Telephone Company	X	AS9299
100	Cogent Communications, LLC	X	AS1239
101	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
102	ALTEASYSTEMS OU		AS215955
103	Webmate Internet Services Ltd.		AS199204
104	Novelcomm LP	X	AS206735
105	Ljosleidarinn ehf		AS12969
106	CETIN Ltd. Belgrade		AS15958
107	Olilo UK & Ireland Ltd.		AS212683
108	CustodianDC Limited	X	AS50300
109	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
110	Misaka Network, Inc.	X	AS917
111	EX Networks Limited	X	AS35266
112	IX Reach Ltd		AS4455
113	Neterra Ltd.		AS34224
114	ADISTA SAS	X	AS16347
115	CORIX NETWORKS		AS999
116	Invesco Group Services, Inc.	X	AS14630
117	NetActuate, Inc	X	AS36236
118	PT. Internet Madju Abad Milenindo	X	AS45701
119	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
120	Rocket Fibre Ltd	X	AS8801
121	Continent 8 LLC		AS14537
122	Micron21 Datacentre Pty Ltd		AS38880
123	TurkNet Iletisim Hizmetleri A.S.		AS12735
124	M247 Europe SRL		AS9009
125	Unitas Global	X	AS1828
126	Guwin Universal Services LLC	X	AS201398
127	Globe Telecoms	X	AS4775
128	Hetzner Online GmbH	X	AS24940
129	VeloxServ Communications Ltd	X	AS3170
130	Kanton Zug	X	AS51907
131	Inovare-Prim SRL		AS60602
132	IP ServerOne Solutions Sdn Bhd		AS45352
133	Wavenet Limited	X	AS5413
134	Wifirst S.A.S.	X	AS52075
135	Exatel S.A.		AS20804
136	Telehouse EAD		AS57344
137	Public Internet Ltd		AS28792
138	Proximus Luxembourg S.A.	X	AS56665
139	SNETTERTON TELECOM LIMITED		AS201060
140	DSM (GB) Limited	X	AS48070
141	team.blue NV	X	AS48185
142	Jude Gabriel Powell	X	AS213798
143	StarHub Ltd		AS4657
144	Converge ICT Solutions Inc.		AS17639

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	GSL Networks Pty LTD	X	AS137409
7	xTom GmbH	X	AS3214
8	IP-Max SA	X	AS25091
9	meerfarbig GmbH & Co. KG	X	AS34549
10	EDGEUNO S.A.S	X	AS7195
11	ParadoxNetworks Limited		AS52025
12	F5 Networks SARL	X	AS35280
13	Inter.link GmbH	X	AS5405
14	Joseph Rawlings trading as Virtnet.bond		AS214022
15	SEACOM Limited	X	AS37100
16	Stadtwerke Feldkirch	X	AS48362
17	atom86 BV	X	AS8455
18	Zayo Infrastructure France SA	X	AS8218
19	31173 Services AB	X	AS39351
20	IELO-LIAZO SERVICES SAS	X	AS29075
21	Liquid Telecommunications Ltd	X	AS30844
22	Administracion Nacional de Telecomunicaciones	X	AS6057
23	INTERKVM HOST SRL	X	AS6204
24	Misaka Network, Inc.	X	AS917
25	Digiweb ltd		AS31122
26	ADISTA SAS	X	AS16347
27	MainStreaming SpA	X	AS51185
28	Novelcomm LP	X	AS206735
29	AFR-IX TELECOM S.A.	X	AS60171
30	Cogent Communications, LLC	X	AS1239
31	TECHIT.BE SRL		AS213241
32	team.blue NV	X	AS48185
33	Invesco Group Services, Inc.	X	AS14630
34	NetActuate, Inc	X	AS36236
35	Sota Solutions Ltd.	X	AS31742
36	IT.Gate S.p.A.	X	AS12779
37	Philippine Long Distance Telephone Company	X	AS9299
38	Claranet Limited	X	AS8426
39	Wavenet Limited	X	AS5413
40	Rocket Fibre Ltd	X	AS8801
41	Lewis Foster		AS215332
42	Guwin Universal Services LLC	X	AS201398
43	i3D.net B.V	X	AS49544
44	Tiggee LLC	X	AS16552
45	Celeste SAS	X	AS34177
46	RISE	X	AS63927
47	SG.GS	X	AS24482
48	Conor Lewis	X	AS214420
49	DSM (GB) Limited	X	AS48070
50	Fiber Telecom S.p.A.	X	AS41327
51	PT. Internet Madju Abad Milenindo	X	AS45701
52	Zain Omantel International FZ-LLC		AS8529
53	Rackdog, LLC		AS398465
54	West Indian Ocean Cable Company	X	AS37662
55	Vorboss Limited	X	AS25160
56	Globe Telecoms	X	AS4775
57	Kantonsschule Zug	X	AS34288
58	Unitas Global	X	AS1828
59	EX Networks Limited	X	AS35266
60	Adam Goodenough	X	AS210667
61	Patrizio Palumbo	X	AS211358
62	VeloxServ Communications Ltd	X	AS3170
63	Blacknight Internet Solutions Limited	X	AS39122
64	NOVACONN SRL	X	AS203462
65	OVH SAS	X	AS16276
66	Cilix Limited	X	AS215638
67	Kanton Zug	X	AS51907
68	Anycast Global Backbone	X	AS58511
69	Gentlent GmbH	X	AS52112
70	IP TELECOM	X	AS61573
71	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
72	iFog GmbH	X	AS34927
73	Tismi BV	X	AS62167
74	CustodianDC Limited	X	AS50300
75	Anexia Cloud Solutions GmbH	X	AS42473
76	Jude Gabriel Powell	X	AS213798
77	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
78	Proximus Luxembourg S.A.	X	AS56665
79	Wifirst S.A.S.	X	AS52075
80	MoeDove LLC		AS44324
81	James Cahill	X	AS214749
82	Hetzner Online GmbH	X	AS24940
83	Johannes Ernst		AS212895

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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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