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): 151
BGP Peers Observed (v4): 141
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	iFog GmbH	X	AS34927
8	Core-Backbone GmbH		AS33891
9	INTERKVM HOST SRL	X	AS6204
10	Inter.link GmbH	X	AS5405
11	EDGEUNO S.A.S	X	AS7195
12	Angola Cables		AS37468
13	IP-Max SA	X	AS25091
14	Zayo Infrastructure France SA	X	AS8218
15	GSL Networks Pty LTD	X	AS137409
16	GGNET TELECOMUNICACOES LTDA		AS53062
17	Global Network Management Inc		AS31500
18	F5 Networks SARL	X	AS35280
19	meerfarbig GmbH & Co. KG	X	AS34549
20	SEACOM Limited	X	AS37100
21	Bharti Airtel Ltd		AS9498
22	Exascale Ltd		AS61049
23	PJSC "Vimpelcom"		AS3216
24	GlobalConnect AB		AS12552
25	Broadband Hosting B.V.		AS20562
26	xTom GmbH	X	AS3214
27	31173 Services AB	X	AS39351
28	Blix Solutions AS		AS50304
29	IELO-LIAZO SERVICES SAS	X	AS29075
30	Huge Solucoes Corporativas Ltda		AS264409
31	Network Platforms (PTY) LTD		AS37497
32	PEER 1031 LLC		AS1031
33	i3D.net B.V	X	AS49544
34	Fiber Telecom S.p.A.	X	AS41327
35	West Indian Ocean Cable Company	X	AS37662
36	Dimension Data		AS3741
37	Liquid Telecommunications Ltd	X	AS30844
38	MC-IX Matrix Internet Exchange RS-1		AS55818
39	MIGO TELECOM		AS263152
40	IT.Gate S.p.A.	X	AS12779
41	SG.GS	X	AS24482
42	Administracion Nacional de Telecomunicaciones	X	AS6057
43	Flag Telecom UK Limited		AS15412
44	Telkom SA Ltd.		AS5713
45	Blacknight Internet Solutions Limited	X	AS39122
46	Viewqwest Pte Ltd		AS18106
47	WIND TRE S.P.A.		AS1267
48	MTN SA		AS16637
49	Stadtwerke Feldkirch	X	AS48362
50	atom86 BV	X	AS8455
51	euNetworks GmbH		AS13237
52	ONETIS TECNOLOGIA LTDA		AS267256
53	Celeste SAS	X	AS34177
54	12651980 CANADA INC.		AS399486
55	Webmate Internet Services Ltd.		AS199204
56	Cogent Communications, LLC	X	AS1239
57	SARL IPSET		AS206014
58	Kanton Zug	X	AS51907
59	Lancom Ltd.		AS199081
60	BSE Software GmbH		AS9044
61	Anycast Global Backbone	X	AS58511
62	Tiggee LLC	X	AS16552
63	MainStreaming SpA	X	AS51185
64	Tismi BV	X	AS62167
65	Philippine Long Distance Telephone Company	X	AS9299
66	NOVACONN SRL	X	AS203462
67	M247 Europe SRL		AS9009
68	Jude Gabriel Powell	X	AS213798
69	PT. Internet Madju Abad Milenindo	X	AS45701
70	Guwin Universal Services LLC	X	AS201398
71	Proximus Luxembourg S.A.	X	AS56665
72	Sota Solutions Ltd.	X	AS31742
73	Anexia Cloud Solutions GmbH	X	AS42473
74	Adam Goodenough	X	AS210667
75	CORIX NETWORKS		AS999
76	Convergenze S.p.A.		AS39120
77	Public Internet Ltd		AS28792
78	Main one Cable Company Nigeria Limited		AS37282
79	IP TELECOM	X	AS61573
80	OVH SAS	X	AS16276
81	Conor Lewis	X	AS214420
82	Cool Ideas Service Provider (Pty) Ltd		AS37680
83	AFR-IX TELECOM S.A.	X	AS60171
84	Claranet Limited	X	AS8426
85	Wavenet Limited	X	AS5413
86	Gentlent GmbH	X	AS52112
87	Netia SA		AS12741
88	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
89	Hetzner Online GmbH	X	AS24940
90	SIACOM JSC		AS198150
91	team.blue NV	X	AS48185
92	Micron21 Datacentre Pty Ltd		AS38880
93	Telehouse EAD		AS57344
94	Worldline IGSA SA		AS47957
95	Exatel S.A.		AS20804
96	Globe Telecoms		AS4775
97	Vorboss Limited	X	AS25160
98	INFORBARRA TELECOM		AS263903
99	Inferno Communications Ltd		AS207841
100	SNETTERTON TELECOM LIMITED		AS201060
101	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
102	KDDI Europe Ltd		AS6894
103	Olilo UK & Ireland Ltd.		AS212683
104	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
105	Valve Corporation		AS32590
106	Virtual Technologies & Solutions		AS37721
107	NetIX Communications JSC		AS57463
108	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
109	Inovare-Prim SRL		AS60602
110	EX Networks Limited	X	AS35266
111	Jump Networks Ltd	X	AS8943
112	Converge ICT Solutions Inc.		AS17639
113	Kantonsschule Zug	X	AS34288
114	ASN block not managed by the RIPE NCC		AS65101
115	CustodianDC Limited	X	AS50300
116	Continent 8 LLC	X	AS14537
117	Peravix Group LTD		AS204208
118	Wifirst S.A.S.	X	AS52075
119	Invesco Group Services, Inc.	X	AS14630
120	Rocket Fibre Ltd	X	AS8801
121	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
122	Neterra Ltd.		AS34224
123	Novelcomm LP	X	AS206735
124	Misaka Network, Inc.	X	AS917
125	Unitas Global	X	AS1828
126	DSM (GB) Limited	X	AS48070
127	Ote SA (Hellenic Telecommunications Organisation)		AS12713
128	VeloxServ Communications Ltd	X	AS3170
129	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
130	RISE	X	AS63927
131	ARISTO NETWORKS LTD		AS216265
132	Axclusive	X	AS132337
133	IP ServerOne Solutions Sdn Bhd		AS45352
134	TurkNet Iletisim Hizmetleri A.S.		AS12735
135	Ljosleidarinn ehf		AS12969
136	NetActuate, Inc	X	AS36236
137	ADISTA SAS	X	AS16347
138	James Cahill	X	AS214749
139	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
140	Emirates Integrated Telecommunications Company PJSC		AS15802
141	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	GSL Networks Pty LTD	X	AS137409
7	EDGEUNO S.A.S	X	AS7195
8	xTom GmbH	X	AS3214
9	IP-Max SA	X	AS25091
10	SEACOM Limited	X	AS37100
11	F5 Networks SARL	X	AS35280
12	Inter.link GmbH	X	AS5405
13	Administracion Nacional de Telecomunicaciones	X	AS6057
14	Liquid Telecommunications Ltd	X	AS30844
15	Joseph Rawlings trading as Virtnet.bond		AS214022
16	Zayo Infrastructure France SA	X	AS8218
17	INTERKVM HOST SRL	X	AS6204
18	MoeDove LLC		AS44324
19	Stadtwerke Feldkirch	X	AS48362
20	31173 Services AB	X	AS39351
21	meerfarbig GmbH & Co. KG	X	AS34549
22	IELO-LIAZO SERVICES SAS	X	AS29075
23	atom86 BV	X	AS8455
24	West Indian Ocean Cable Company	X	AS37662
25	PT. Internet Madju Abad Milenindo	X	AS45701
26	NetActuate, Inc	X	AS36236
27	EX Networks Limited	X	AS35266
28	Sota Solutions Ltd.	X	AS31742
29	IP TELECOM	X	AS61573
30	Tiggee LLC	X	AS16552
31	Gentlent GmbH	X	AS52112
32	Digiweb ltd		AS31122
33	Celeste SAS	X	AS34177
34	James Cahill	X	AS214749
35	Rackdog, LLC		AS398465
36	CustodianDC Limited	X	AS50300
37	Conor Lewis	X	AS214420
38	Wavenet Limited	X	AS5413
39	Tismi BV	X	AS62167
40	MainStreaming SpA	X	AS51185
41	Vorboss Limited	X	AS25160
42	Unitas Global	X	AS1828
43	VeloxServ Communications Ltd	X	AS3170
44	Anycast Global Backbone	X	AS58511
45	AFR-IX TELECOM S.A.	X	AS60171
46	Blacknight Internet Solutions Limited	X	AS39122
47	NOVACONN SRL	X	AS203462
48	Axclusive	X	AS132337
49	Philippine Long Distance Telephone Company	X	AS9299
50	Kanton Zug	X	AS51907
51	Proximus Luxembourg S.A.	X	AS56665
52	Patrizio Palumbo	X	AS211358
53	Fiber Telecom S.p.A.	X	AS41327
54	i3D.net B.V	X	AS49544
55	Claranet Limited	X	AS8426
56	SG.GS	X	AS24482
57	Johannes Ernst		AS212895
58	Invesco Group Services, Inc.	X	AS14630
59	IT.Gate S.p.A.	X	AS12779
60	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
61	Cogent Communications, LLC	X	AS1239
62	Adam Goodenough	X	AS210667
63	ParadoxNetworks Limited		AS52025
64	Misaka Network, Inc.	X	AS917
65	Cilix Limited	X	AS215638
66	Rocket Fibre Ltd	X	AS8801
67	Guwin Universal Services LLC	X	AS201398
68	Continent 8 LLC	X	AS14537
69	Jude Gabriel Powell	X	AS213798
70	iFog GmbH	X	AS34927
71	Kantonsschule Zug	X	AS34288
72	Novelcomm LP	X	AS206735
73	Wifirst S.A.S.	X	AS52075
74	Anexia Cloud Solutions GmbH	X	AS42473
75	TECHIT.BE SRL		AS213241
76	Lewis Foster		AS215332
77	ADISTA SAS	X	AS16347
78	Jump Networks Ltd	X	AS8943
79	RISE	X	AS63927
80	team.blue NV	X	AS48185
81	Hetzner Online GmbH	X	AS24940
82	OVH SAS	X	AS16276
83	Zain Omantel International FZ-LLC		AS8529
84	DSM (GB) Limited	X	AS48070

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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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