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): 155
BGP Peers Observed (v4): 145
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

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	Inter.link GmbH	X	AS5405
9	iFog GmbH	X	AS34927
10	Angola Cables		AS37468
11	INTERKVM HOST SRL	X	AS6204
12	BR.Digital Telecom		AS14840
13	IP-Max SA	X	AS25091
14	EDGEUNO S.A.S	X	AS7195
15	GSL Networks Pty LTD	X	AS137409
16	Zayo Infrastructure France SA	X	AS8218
17	F5 Networks SARL	X	AS35280
18	meerfarbig GmbH & Co. KG	X	AS34549
19	GGNET TELECOMUNICACOES LTDA		AS53062
20	Global Network Management Inc		AS31500
21	SEACOM Limited	X	AS37100
22	Bharti Airtel Ltd		AS9498
23	Exascale Ltd		AS61049
24	GlobalConnect AB		AS12552
25	PJSC "Vimpelcom"		AS3216
26	PEER 1031 LLC		AS1031
27	xTom GmbH	X	AS3214
28	Blix Solutions AS		AS50304
29	IELO-LIAZO SERVICES SAS	X	AS29075
30	Broadband Hosting B.V.		AS20562
31	31173 Services AB	X	AS39351
32	Network Platforms (PTY) LTD		AS37497
33	Fiber Telecom S.p.A.	X	AS41327
34	Dimension Data		AS3741
35	West Indian Ocean Cable Company	X	AS37662
36	Liquid Telecommunications Ltd	X	AS30844
37	Huge Solucoes Corporativas Ltda		AS264409
38	i3D.net B.V	X	AS49544
39	ARISTO NETWORKS LTD		AS216265
40	atom86 BV	X	AS8455
41	Blacknight Internet Solutions Limited	X	AS39122
42	euNetworks GmbH		AS13237
43	IT.Gate S.p.A.	X	AS12779
44	MC-IX Matrix Internet Exchange RS-1		AS55818
45	MTN SA		AS16637
46	Stadtwerke Feldkirch	X	AS48362
47	Celeste SAS	X	AS34177
48	Telkom SA Ltd.		AS5713
49	Administracion Nacional de Telecomunicaciones	X	AS6057
50	SG.GS	X	AS24482
51	Flag Telecom UK Limited		AS15412
52	ONETIS TECNOLOGIA LTDA		AS267256
53	Ote SA (Hellenic Telecommunications Organisation)		AS12713
54	WIND TRE S.P.A.		AS1267
55	Viewqwest Pte Ltd		AS18106
56	MIGO TELECOM		AS263152
57	Gentlent GmbH	X	AS52112
58	IP ServerOne Solutions Sdn Bhd		AS45352
59	Claranet Limited	X	AS8426
60	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
61	IP TELECOM	X	AS61573
62	NetActuate, Inc	X	AS36236
63	Telehouse EAD		AS57344
64	OVH SAS	X	AS16276
65	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
66	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
67	Peravix Group LTD		AS204208
68	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
69	ALTEASYSTEMS OU		AS215955
70	Inovare-Prim SRL		AS60602
71	Invesco Group Services, Inc.	X	AS14630
72	Exatel S.A.		AS20804
73	Axclusive		AS132337
74	Conor Lewis	X	AS214420
75	Jude Gabriel Powell	X	AS213798
76	Cogent Communications, LLC	X	AS1239
77	Converge ICT Solutions Inc.		AS17639
78	team.blue NV	X	AS48185
79	12651980 CANADA INC.		AS399486
80	Hetzner Online GmbH	X	AS24940
81	CustodianDC Limited	X	AS50300
82	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
83	Continent 8 LLC		AS14537
84	Guwin Universal Services LLC	X	AS201398
85	RISE	X	AS63927
86	Public Internet Ltd		AS28792
87	Micron21 Datacentre Pty Ltd		AS38880
88	Sota Solutions Ltd.	X	AS31742
89	ADISTA SAS	X	AS16347
90	Virtual Technologies & Solutions		AS37721
91	Convergenze S.p.A.		AS39120
92	Main one Cable Company Nigeria Limited		AS37282
93	M247 Europe SRL		AS9009
94	Worldline IGSA SA		AS47957
95	Cool Ideas Service Provider (Pty) Ltd		AS37680
96	Anycast Global Backbone	X	AS58511
97	SIACOM JSC		AS198150
98	ASN block not managed by the RIPE NCC		AS65101
99	Wifirst S.A.S.	X	AS52075
100	Philippine Long Distance Telephone Company	X	AS9299
101	Unitas Global	X	AS1828
102	KDDI Europe Ltd		AS6894
103	PT. Internet Madju Abad Milenindo	X	AS45701
104	BSE Software GmbH		AS9044
105	PT. Cyberindo Aditama	X	AS38158
106	INFORBARRA TELECOM		AS263903
107	Kanton Zug	X	AS51907
108	Anexia Cloud Solutions GmbH	X	AS42473
109	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
110	DSM (GB) Limited	X	AS48070
111	Proximus Luxembourg S.A.	X	AS56665
112	Lancom Ltd.		AS199081
113	SNETTERTON TELECOM LIMITED		AS201060
114	Ljosleidarinn ehf		AS12969
115	Globe Telecoms		AS4775
116	Netia SA		AS12741
117	James Cahill	X	AS214749
118	TurkNet Iletisim Hizmetleri A.S.		AS12735
119	Jump Networks Ltd	X	AS8943
120	Adam Goodenough	X	AS210667
121	Novelcomm LP		AS206735
122	NOVACONN SRL	X	AS203462
123	Vorboss Limited	X	AS25160
124	NetIX Communications JSC		AS57463
125	AFR-IX TELECOM S.A.	X	AS60171
126	SARL IPSET		AS206014
127	Wavenet Limited	X	AS5413
128	Emirates Integrated Telecommunications Company PJSC		AS15802
129	CORIX NETWORKS		AS999
130	Rocket Fibre Ltd	X	AS8801
131	Misaka Network, Inc.	X	AS917
132	MainStreaming SpA	X	AS51185
133	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
134	Webmate Internet Services Ltd.		AS199204
135	Neterra Ltd.		AS34224
136	VeloxServ Communications Ltd	X	AS3170
137	Olilo UK & Ireland Ltd.		AS212683
138	Tiggee LLC	X	AS16552
139	Kantonsschule Zug	X	AS34288
140	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
141	Valve Corporation		AS32590
142	EX Networks Limited	X	AS35266
143	Inferno Communications Ltd		AS207841
144	Tismi BV	X	AS62167
145	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	xTom GmbH	X	AS3214
7	GSL Networks Pty LTD	X	AS137409
8	IP-Max SA	X	AS25091
9	EDGEUNO S.A.S	X	AS7195
10	Inter.link GmbH	X	AS5405
11	SEACOM Limited	X	AS37100
12	F5 Networks SARL	X	AS35280
13	MoeDove LLC		AS44324
14	Zayo Infrastructure France SA	X	AS8218
15	Joseph Rawlings trading as Virtnet.bond		AS214022
16	Administracion Nacional de Telecomunicaciones	X	AS6057
17	Liquid Telecommunications Ltd	X	AS30844
18	atom86 BV	X	AS8455
19	31173 Services AB	X	AS39351
20	meerfarbig GmbH & Co. KG	X	AS34549
21	IELO-LIAZO SERVICES SAS	X	AS29075
22	Stadtwerke Feldkirch	X	AS48362
23	INTERKVM HOST SRL	X	AS6204
24	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
25	NOVACONN SRL	X	AS203462
26	Unitas Global	X	AS1828
27	Sota Solutions Ltd.	X	AS31742
28	Digiweb ltd		AS31122
29	CustodianDC Limited	X	AS50300
30	Lewis Foster		AS215332
31	PT. Internet Madju Abad Milenindo	X	AS45701
32	Wavenet Limited	X	AS5413
33	ParadoxNetworks Limited		AS52025
34	Vorboss Limited	X	AS25160
35	team.blue NV	X	AS48185
36	Conor Lewis	X	AS214420
37	Adam Goodenough	X	AS210667
38	Philippine Long Distance Telephone Company	X	AS9299
39	NetActuate, Inc	X	AS36236
40	Hetzner Online GmbH	X	AS24940
41	James Cahill	X	AS214749
42	MainStreaming SpA	X	AS51185
43	Guwin Universal Services LLC	X	AS201398
44	AFR-IX TELECOM S.A.	X	AS60171
45	Proximus Luxembourg S.A.	X	AS56665
46	Claranet Limited	X	AS8426
47	EX Networks Limited	X	AS35266
48	Celeste SAS	X	AS34177
49	Blacknight Internet Solutions Limited	X	AS39122
50	VeloxServ Communications Ltd	X	AS3170
51	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
52	Tiggee LLC	X	AS16552
53	iFog GmbH	X	AS34927
54	i3D.net B.V	X	AS49544
55	Misaka Network, Inc.	X	AS917
56	Cogent Communications, LLC	X	AS1239
57	Anexia Cloud Solutions GmbH	X	AS42473
58	RISE	X	AS63927
59	Kanton Zug	X	AS51907
60	Gentlent GmbH	X	AS52112
61	SG.GS	X	AS24482
62	TECHIT.BE SRL		AS213241
63	Cilix Limited	X	AS215638
64	Rackdog, LLC		AS398465
65	Kantonsschule Zug	X	AS34288
66	Jude Gabriel Powell	X	AS213798
67	Jump Networks Ltd	X	AS8943
68	Fiber Telecom S.p.A.	X	AS41327
69	DSM (GB) Limited	X	AS48070
70	OVH SAS	X	AS16276
71	Rocket Fibre Ltd	X	AS8801
72	Patrizio Palumbo	X	AS211358
73	Johannes Ernst		AS212895
74	IT.Gate S.p.A.	X	AS12779
75	Anycast Global Backbone	X	AS58511
76	Tismi BV	X	AS62167
77	Wifirst S.A.S.	X	AS52075
78	Invesco Group Services, Inc.	X	AS14630
79	IP TELECOM	X	AS61573
80	Zain Omantel International FZ-LLC		AS8529
81	PT. Cyberindo Aditama	X	AS38158
82	West Indian Ocean Cable Company	X	AS37662
83	ADISTA SAS	X	AS16347

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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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