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): 153
BGP Peers Observed (v4): 143
BGP Peers Observed (v6): 85

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	iFog GmbH	X	AS34927
8	Core-Backbone GmbH		AS33891
9	INTERKVM HOST SRL	X	AS6204
10	Angola Cables		AS37468
11	Inter.link GmbH	X	AS5405
12	EDGEUNO S.A.S	X	AS7195
13	IP-Max SA	X	AS25091
14	Zayo Infrastructure France SA	X	AS8218
15	GGNET TELECOMUNICACOES LTDA		AS53062
16	GSL Networks Pty LTD	X	AS137409
17	BR.Digital Telecom		AS14840
18	meerfarbig GmbH & Co. KG	X	AS34549
19	Global Network Management Inc		AS31500
20	F5 Networks SARL	X	AS35280
21	SEACOM Limited	X	AS37100
22	Bharti Airtel Ltd		AS9498
23	PJSC "Vimpelcom"		AS3216
24	GlobalConnect AB		AS12552
25	Exascale Ltd		AS61049
26	Blix Solutions AS		AS50304
27	Huge Solucoes Corporativas Ltda		AS264409
28	IELO-LIAZO SERVICES SAS	X	AS29075
29	Broadband Hosting B.V.		AS20562
30	xTom GmbH	X	AS3214
31	31173 Services AB	X	AS39351
32	Dimension Data		AS3741
33	West Indian Ocean Cable Company	X	AS37662
34	Liquid Telecommunications Ltd	X	AS30844
35	PEER 1031 LLC		AS1031
36	i3D.net B.V	X	AS49544
37	Network Platforms (PTY) LTD		AS37497
38	Fiber Telecom S.p.A.	X	AS41327
39	IT.Gate S.p.A.	X	AS12779
40	MC-IX Matrix Internet Exchange RS-1		AS55818
41	Flag Telecom UK Limited		AS15412
42	SG.GS	X	AS24482
43	WIND TRE S.P.A.		AS1267
44	Administracion Nacional de Telecomunicaciones	X	AS6057
45	Celeste SAS	X	AS34177
46	MTN SA		AS16637
47	Telkom SA Ltd.		AS5713
48	Blacknight Internet Solutions Limited	X	AS39122
49	atom86 BV	X	AS8455
50	MIGO TELECOM		AS263152
51	euNetworks GmbH		AS13237
52	12651980 CANADA INC.		AS399486
53	ONETIS TECNOLOGIA LTDA		AS267256
54	Viewqwest Pte Ltd		AS18106
55	Stadtwerke Feldkirch	X	AS48362
56	VeloxServ Communications Ltd	X	AS3170
57	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
58	Converge ICT Solutions Inc.		AS17639
59	PT. Internet Madju Abad Milenindo	X	AS45701
60	Micron21 Datacentre Pty Ltd		AS38880
61	RISE	X	AS63927
62	ADISTA SAS	X	AS16347
63	Cogent Communications, LLC	X	AS1239
64	CustodianDC Limited	X	AS50300
65	NetIX Communications JSC		AS57463
66	Cool Ideas Service Provider (Pty) Ltd		AS37680
67	Claranet Limited	X	AS8426
68	MainStreaming SpA	X	AS51185
69	team.blue NV	X	AS48185
70	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
71	Olilo UK & Ireland Ltd.		AS212683
72	Rocket Fibre Ltd	X	AS8801
73	NetActuate, Inc	X	AS36236
74	Gentlent GmbH	X	AS52112
75	Anycast Global Backbone	X	AS58511
76	Patrizio Palumbo	X	AS211358
77	DSM (GB) Limited	X	AS48070
78	Anexia Cloud Solutions GmbH	X	AS42473
79	SARL IPSET		AS206014
80	Exatel S.A.		AS20804
81	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
82	Jump Networks Ltd	X	AS8943
83	Invesco Group Services, Inc.	X	AS14630
84	Philippine Long Distance Telephone Company	X	AS9299
85	Valve Corporation		AS32590
86	OVH SAS	X	AS16276
87	EX Networks Limited	X	AS35266
88	Hetzner Online GmbH	X	AS24940
89	Unitas Global	X	AS1828
90	M247 Europe SRL		AS9009
91	SNETTERTON TELECOM LIMITED		AS201060
92	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
93	Telehouse EAD		AS57344
94	Wavenet Limited	X	AS5413
95	Emirates Integrated Telecommunications Company PJSC		AS15802
96	Convergenze S.p.A.		AS39120
97	ASN block not managed by the RIPE NCC		AS65101
98	Tismi BV	X	AS62167
99	Proximus Luxembourg S.A.	X	AS56665
100	Lancom Ltd.		AS199081
101	Wifirst S.A.S.	X	AS52075
102	Globe Telecoms		AS4775
103	INFORBARRA TELECOM		AS263903
104	IP TELECOM	X	AS61573
105	ARISTO NETWORKS LTD		AS216265
106	Public Internet Ltd		AS28792
107	Ote SA (Hellenic Telecommunications Organisation)		AS12713
108	Inferno Communications Ltd		AS207841
109	Main one Cable Company Nigeria Limited		AS37282
110	CORIX NETWORKS		AS999
111	Continent 8 LLC	X	AS14537
112	Virtual Technologies & Solutions		AS37721
113	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
114	Ljosleidarinn ehf		AS12969
115	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
116	Kanton Zug	X	AS51907
117	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
118	Axclusive	X	AS132337
119	Misaka Network, Inc.	X	AS917
120	TurkNet Iletisim Hizmetleri A.S.		AS12735
121	Tiggee LLC	X	AS16552
122	Inovare-Prim SRL		AS60602
123	AFR-IX TELECOM S.A.	X	AS60171
124	Jude Gabriel Powell	X	AS213798
125	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
126	SIACOM JSC		AS198150
127	James Cahill	X	AS214749
128	Peravix Group LTD		AS204208
129	Guwin Universal Services LLC	X	AS201398
130	Sota Solutions Ltd.	X	AS31742
131	IP ServerOne Solutions Sdn Bhd		AS45352
132	Netia SA		AS12741
133	Worldline IGSA SA		AS47957
134	Conor Lewis	X	AS214420
135	Neterra Ltd.		AS34224
136	Webmate Internet Services Ltd.		AS199204
137	Adam Goodenough	X	AS210667
138	Kantonsschule Zug	X	AS34288
139	NOVACONN SRL	X	AS203462
140	Novelcomm LP	X	AS206735
141	KDDI Europe Ltd		AS6894
142	Vorboss Limited	X	AS25160
143	BSE Software GmbH		AS9044

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	EDGEUNO S.A.S	X	AS7195
9	IP-Max SA	X	AS25091
10	F5 Networks SARL	X	AS35280
11	SEACOM Limited	X	AS37100
12	Inter.link GmbH	X	AS5405
13	31173 Services AB	X	AS39351
14	MoeDove LLC		AS44324
15	Joseph Rawlings trading as Virtnet.bond		AS214022
16	IELO-LIAZO SERVICES SAS	X	AS29075
17	meerfarbig GmbH & Co. KG	X	AS34549
18	INTERKVM HOST SRL	X	AS6204
19	Administracion Nacional de Telecomunicaciones	X	AS6057
20	atom86 BV	X	AS8455
21	Liquid Telecommunications Ltd	X	AS30844
22	Zayo Infrastructure France SA	X	AS8218
23	Celeste SAS	X	AS34177
24	TECHIT.BE SRL		AS213241
25	Zain Omantel International FZ-LLC		AS8529
26	Hetzner Online GmbH	X	AS24940
27	OVH SAS	X	AS16276
28	Tismi BV	X	AS62167
29	DSM (GB) Limited	X	AS48070
30	Anycast Global Backbone	X	AS58511
31	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
32	Kanton Zug	X	AS51907
33	Guwin Universal Services LLC	X	AS201398
34	Adam Goodenough	X	AS210667
35	Gentlent GmbH	X	AS52112
36	Invesco Group Services, Inc.	X	AS14630
37	Jude Gabriel Powell	X	AS213798
38	Lewis Foster		AS215332
39	i3D.net B.V	X	AS49544
40	MainStreaming SpA	X	AS51185
41	NetActuate, Inc	X	AS36236
42	Jump Networks Ltd	X	AS8943
43	Fiber Telecom S.p.A.	X	AS41327
44	PT. Internet Madju Abad Milenindo	X	AS45701
45	Misaka Network, Inc.	X	AS917
46	EX Networks Limited	X	AS35266
47	Cilix Limited	X	AS215638
48	team.blue NV	X	AS48185
49	Rackdog, LLC		AS398465
50	James Cahill	X	AS214749
51	NOVACONN SRL	X	AS203462
52	Wavenet Limited	X	AS5413
53	ADISTA SAS	X	AS16347
54	Tiggee LLC	X	AS16552
55	Vorboss Limited	X	AS25160
56	Proximus Luxembourg S.A.	X	AS56665
57	RISE	X	AS63927
58	Axclusive	X	AS132337
59	AFR-IX TELECOM S.A.	X	AS60171
60	Stadtwerke Feldkirch	X	AS48362
61	Claranet Limited	X	AS8426
62	West Indian Ocean Cable Company	X	AS37662
63	Unitas Global	X	AS1828
64	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
65	Continent 8 LLC	X	AS14537
66	CustodianDC Limited	X	AS50300
67	ParadoxNetworks Limited		AS52025
68	IP TELECOM	X	AS61573
69	Anexia Cloud Solutions GmbH	X	AS42473
70	Kantonsschule Zug	X	AS34288
71	iFog GmbH	X	AS34927
72	Rocket Fibre Ltd	X	AS8801
73	Novelcomm LP	X	AS206735
74	Wifirst S.A.S.	X	AS52075
75	Philippine Long Distance Telephone Company	X	AS9299
76	Cogent Communications, LLC	X	AS1239
77	Conor Lewis	X	AS214420
78	VeloxServ Communications Ltd	X	AS3170
79	IT.Gate S.p.A.	X	AS12779
80	Johannes Ernst		AS212895
81	Blacknight Internet Solutions Limited	X	AS39122
82	Sota Solutions Ltd.	X	AS31742
83	Digiweb ltd		AS31122
84	Patrizio Palumbo	X	AS211358
85	SG.GS	X	AS24482

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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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