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): 75
Prefixes Originated (v4): 73
Prefixes Originated (v6): 2

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

RPKI Originated Valid (all): 8
RPKI Originated Valid (v4): 8
RPKI Originated Valid (v6): 0

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

BGP Peers Observed (all): 152
BGP Peers Observed (v4): 142
BGP Peers Observed (v6): 84

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

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	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
80.209.190.0/23	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
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	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	Core-Backbone GmbH		AS33891
8	INTERKVM HOST SRL	X	AS6204
9	BR.Digital Telecom		AS14840
10	Angola Cables		AS37468
11	Inter.link GmbH	X	AS5405
12	EDGEUNO S.A.S	X	AS7195
13	IP-Max SA	X	AS25091
14	iFog GmbH	X	AS34927
15	Zayo Infrastructure France SA	X	AS8218
16	GSL Networks Pty LTD	X	AS137409
17	Global Network Management Inc		AS31500
18	GGNET TELECOMUNICACOES LTDA		AS53062
19	F5 Networks SARL	X	AS35280
20	SEACOM Limited	X	AS37100
21	meerfarbig GmbH & Co. KG	X	AS34549
22	PJSC "Vimpelcom"		AS3216
23	Exascale Ltd		AS61049
24	Bharti Airtel Ltd		AS9498
25	GlobalConnect AB		AS12552
26	Broadband Hosting B.V.		AS20562
27	Blix Solutions AS		AS50304
28	IELO-LIAZO SERVICES SAS	X	AS29075
29	Huge Solucoes Corporativas Ltda		AS264409
30	31173 Services AB	X	AS39351
31	xTom GmbH	X	AS3214
32	Fiber Telecom S.p.A.	X	AS41327
33	PEER 1031 LLC		AS1031
34	i3D.net B.V	X	AS49544
35	Dimension Data		AS3741
36	West Indian Ocean Cable Company	X	AS37662
37	Network Platforms (PTY) LTD		AS37497
38	Liquid Telecommunications Ltd	X	AS30844
39	Administracion Nacional de Telecomunicaciones	X	AS6057
40	Celeste SAS	X	AS34177
41	Stadtwerke Feldkirch	X	AS48362
42	Blacknight Internet Solutions Limited	X	AS39122
43	IT.Gate S.p.A.	X	AS12779
44	MTN SA		AS16637
45	ARISTO NETWORKS LTD		AS216265
46	Telkom SA Ltd.		AS5713
47	atom86 BV	X	AS8455
48	WIND TRE S.P.A.		AS1267
49	Flag Telecom UK Limited		AS15412
50	euNetworks GmbH		AS13237
51	SG.GS	X	AS24482
52	MC-IX Matrix Internet Exchange RS-1		AS55818
53	Viewqwest Pte Ltd		AS18106
54	MIGO TELECOM		AS263152
55	ONETIS TECNOLOGIA LTDA		AS267256
56	Globe Telecoms		AS4775
57	Converge ICT Solutions Inc.		AS17639
58	Tiggee LLC	X	AS16552
59	Exatel S.A.		AS20804
60	Neterra Ltd.		AS34224
61	Kanton Zug	X	AS51907
62	Virtual Technologies & Solutions		AS37721
63	RISE	X	AS63927
64	Patrizio Palumbo	X	AS211358
65	Philippine Long Distance Telephone Company	X	AS9299
66	Continent 8 LLC	X	AS14537
67	Micron21 Datacentre Pty Ltd		AS38880
68	Misaka Network, Inc.	X	AS917
69	Jump Networks Ltd	X	AS8943
70	Adam Goodenough	X	AS210667
71	Olilo UK & Ireland Ltd.		AS212683
72	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
73	Worldline IGSA SA		AS47957
74	Novelcomm LP		AS206735
75	Ote SA (Hellenic Telecommunications Organisation)		AS12713
76	Axclusive	X	AS132337
77	Main one Cable Company Nigeria Limited		AS37282
78	TurkNet Iletisim Hizmetleri A.S.		AS12735
79	Cogent Communications, LLC	X	AS1239
80	SNETTERTON TELECOM LIMITED		AS201060
81	Netia SA		AS12741
82	Peravix Group LTD		AS204208
83	Claranet Limited	X	AS8426
84	SARL IPSET		AS206014
85	Jude Gabriel Powell	X	AS213798
86	IP ServerOne Solutions Sdn Bhd		AS45352
87	Convergenze S.p.A.		AS39120
88	team.blue NV	X	AS48185
89	Webmate Internet Services Ltd.		AS199204
90	James Cahill	X	AS214749
91	Valve Corporation		AS32590
92	Ljosleidarinn ehf		AS12969
93	12651980 CANADA INC.		AS399486
94	NOVACONN SRL	X	AS203462
95	Anycast Global Backbone	X	AS58511
96	Anexia Cloud Solutions GmbH	X	AS42473
97	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
98	Conor Lewis	X	AS214420
99	INFORBARRA TELECOM		AS263903
100	Tismi BV	X	AS62167
101	KDDI Europe Ltd		AS6894
102	Vorboss Limited	X	AS25160
103	Lancom Ltd.		AS199081
104	Hetzner Online GmbH	X	AS24940
105	VeloxServ Communications Ltd	X	AS3170
106	Rocket Fibre Ltd	X	AS8801
107	Guwin Universal Services LLC	X	AS201398
108	Inovare-Prim SRL		AS60602
109	OVH SAS	X	AS16276
110	ADISTA SAS	X	AS16347
111	PT. Internet Madju Abad Milenindo	X	AS45701
112	ASN block not managed by the RIPE NCC		AS65101
113	Wavenet Limited	X	AS5413
114	Proximus Luxembourg S.A.	X	AS56665
115	NetIX Communications JSC		AS57463
116	Inferno Communications Ltd		AS207841
117	EX Networks Limited	X	AS35266
118	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
119	Gentlent GmbH	X	AS52112
120	Telehouse EAD		AS57344
121	SIACOM JSC		AS198150
122	BSE Software GmbH		AS9044
123	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
124	Sota Solutions Ltd.	X	AS31742
125	IP TELECOM	X	AS61573
126	CustodianDC Limited	X	AS50300
127	AFR-IX TELECOM S.A.	X	AS60171
128	CORIX NETWORKS		AS999
129	MainStreaming SpA	X	AS51185
130	Unitas Global	X	AS1828
131	Cool Ideas Service Provider (Pty) Ltd		AS37680
132	Emirates Integrated Telecommunications Company PJSC		AS15802
133	M247 Europe SRL		AS9009
134	Wifirst S.A.S.	X	AS52075
135	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
136	NetActuate, Inc	X	AS36236
137	Public Internet Ltd		AS28792
138	Kantonsschule Zug	X	AS34288
139	Invesco Group Services, Inc.	X	AS14630
140	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
141	DSM (GB) Limited	X	AS48070
142	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483

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	EDGEUNO S.A.S	X	AS7195
10	SEACOM Limited	X	AS37100
11	F5 Networks SARL	X	AS35280
12	Inter.link GmbH	X	AS5405
13	Liquid Telecommunications Ltd	X	AS30844
14	Administracion Nacional de Telecomunicaciones	X	AS6057
15	atom86 BV	X	AS8455
16	31173 Services AB	X	AS39351
17	Zayo Infrastructure France SA	X	AS8218
18	Stadtwerke Feldkirch	X	AS48362
19	MoeDove LLC		AS44324
20	IELO-LIAZO SERVICES SAS	X	AS29075
21	Joseph Rawlings trading as Virtnet.bond		AS214022
22	INTERKVM HOST SRL	X	AS6204
23	meerfarbig GmbH & Co. KG	X	AS34549
24	Johannes Ernst		AS212895
25	Rackdog, LLC		AS398465
26	Kanton Zug	X	AS51907
27	Continent 8 LLC	X	AS14537
28	Philippine Long Distance Telephone Company	X	AS9299
29	Sota Solutions Ltd.	X	AS31742
30	Patrizio Palumbo	X	AS211358
31	Blacknight Internet Solutions Limited	X	AS39122
32	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
33	Cilix Limited	X	AS215638
34	Hetzner Online GmbH	X	AS24940
35	AFR-IX TELECOM S.A.	X	AS60171
36	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
37	Misaka Network, Inc.	X	AS917
38	Claranet Limited	X	AS8426
39	ParadoxNetworks Limited		AS52025
40	MainStreaming SpA	X	AS51185
41	Tismi BV	X	AS62167
42	Proximus Luxembourg S.A.	X	AS56665
43	ADISTA SAS	X	AS16347
44	VeloxServ Communications Ltd	X	AS3170
45	DSM (GB) Limited	X	AS48070
46	i3D.net B.V	X	AS49544
47	Conor Lewis	X	AS214420
48	Rocket Fibre Ltd	X	AS8801
49	Anexia Cloud Solutions GmbH	X	AS42473
50	IP TELECOM	X	AS61573
51	Celeste SAS	X	AS34177
52	Adam Goodenough	X	AS210667
53	Anycast Global Backbone	X	AS58511
54	TECHIT.BE SRL		AS213241
55	iFog GmbH	X	AS34927
56	James Cahill	X	AS214749
57	Cogent Communications, LLC	X	AS1239
58	Kantonsschule Zug	X	AS34288
59	IT.Gate S.p.A.	X	AS12779
60	RISE	X	AS63927
61	SG.GS	X	AS24482
62	NetActuate, Inc	X	AS36236
63	team.blue NV	X	AS48185
64	Guwin Universal Services LLC	X	AS201398
65	Invesco Group Services, Inc.	X	AS14630
66	Wavenet Limited	X	AS5413
67	OVH SAS	X	AS16276
68	NOVACONN SRL	X	AS203462
69	Axclusive	X	AS132337
70	PT. Internet Madju Abad Milenindo	X	AS45701
71	EX Networks Limited	X	AS35266
72	Jump Networks Ltd	X	AS8943
73	Lewis Foster		AS215332
74	Zain Omantel International FZ-LLC		AS8529
75	Jude Gabriel Powell	X	AS213798
76	Tiggee LLC	X	AS16552
77	Fiber Telecom S.p.A.	X	AS41327
78	Unitas Global	X	AS1828
79	CustodianDC Limited	X	AS50300
80	West Indian Ocean Cable Company	X	AS37662
81	Digiweb ltd		AS31122
82	Vorboss Limited	X	AS25160
83	Wifirst S.A.S.	X	AS52075
84	Gentlent GmbH	X	AS52112

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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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