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): 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

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
AS34927	iFog GmbH

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	Inter.link GmbH	X	AS5405
8	Core-Backbone GmbH		AS33891
9	iFog GmbH	X	AS34927
10	INTERKVM HOST SRL	X	AS6204
11	Angola Cables		AS37468
12	BR.Digital Telecom		AS14840
13	EDGEUNO S.A.S	X	AS7195
14	IP-Max SA	X	AS25091
15	GSL Networks Pty LTD	X	AS137409
16	Zayo Infrastructure France SA	X	AS8218
17	GGNET TELECOMUNICACOES LTDA		AS53062
18	meerfarbig GmbH & Co. KG	X	AS34549
19	F5 Networks SARL	X	AS35280
20	SEACOM Limited	X	AS37100
21	Global Network Management Inc		AS31500
22	PJSC "Vimpelcom"		AS3216
23	GlobalConnect AB		AS12552
24	Exascale Ltd		AS61049
25	Bharti Airtel Ltd		AS9498
26	Huge Solucoes Corporativas Ltda		AS264409
27	31173 Services AB	X	AS39351
28	xTom GmbH	X	AS3214
29	Broadband Hosting B.V.		AS20562
30	ARISTO NETWORKS LTD		AS216265
31	Blix Solutions AS		AS50304
32	Flag Telecom UK Limited		AS15412
33	PEER 1031 LLC		AS1031
34	IELO-LIAZO SERVICES SAS	X	AS29075
35	Network Platforms (PTY) LTD		AS37497
36	Dimension Data		AS3741
37	i3D.net B.V	X	AS49544
38	Liquid Telecommunications Ltd	X	AS30844
39	Fiber Telecom S.p.A.	X	AS41327
40	West Indian Ocean Cable Company	X	AS37662
41	Celeste SAS	X	AS34177
42	Administracion Nacional de Telecomunicaciones	X	AS6057
43	MC-IX Matrix Internet Exchange RS-1		AS55818
44	Telkom SA Ltd.		AS5713
45	WIND TRE S.P.A.		AS1267
46	SG.GS	X	AS24482
47	IT.Gate S.p.A.	X	AS12779
48	euNetworks GmbH		AS13237
49	MIGO TELECOM		AS263152
50	Blacknight Internet Solutions Limited	X	AS39122
51	Viewqwest Pte Ltd		AS18106
52	atom86 BV	X	AS8455
53	ONETIS TECNOLOGIA LTDA		AS267256
54	MTN SA		AS16637
55	12651980 CANADA INC.		AS399486
56	Stadtwerke Feldkirch	X	AS48362
57	Ote SA (Hellenic Telecommunications Organisation)		AS12713
58	Kanton Zug	X	AS51907
59	CustodianDC Limited	X	AS50300
60	Gentlent GmbH	X	AS52112
61	Inferno Communications Ltd		AS207841
62	PT. Cyberindo Aditama	X	AS38158
63	Axclusive		AS132337
64	Ljosleidarinn ehf		AS12969
65	James Cahill	X	AS214749
66	IP ServerOne Solutions Sdn Bhd		AS45352
67	Wavenet Limited	X	AS5413
68	VeloxServ Communications Ltd	X	AS3170
69	Neterra Ltd.		AS34224
70	Virtual Technologies & Solutions		AS37721
71	Invesco Group Services, Inc.	X	AS14630
72	Continent 8 LLC		AS14537
73	Inovare-Prim SRL		AS60602
74	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
75	ADISTA SAS	X	AS16347
76	team.blue NV	X	AS48185
77	Lancom Ltd.		AS199081
78	Proximus Luxembourg S.A.	X	AS56665
79	DSM (GB) Limited	X	AS48070
80	TurkNet Iletisim Hizmetleri A.S.		AS12735
81	Jude Gabriel Powell	X	AS213798
82	Webmate Internet Services Ltd.		AS199204
83	KDDI Europe Ltd		AS6894
84	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
85	Rocket Fibre Ltd	X	AS8801
86	Emirates Integrated Telecommunications Company PJSC		AS15802
87	Unitas Global	X	AS1828
88	Convergenze S.p.A.		AS39120
89	Micron21 Datacentre Pty Ltd		AS38880
90	M247 Europe SRL		AS9009
91	RISE	X	AS63927
92	Claranet Limited	X	AS8426
93	Anycast Global Backbone	X	AS58511
94	Public Internet Ltd		AS28792
95	Jump Networks Ltd	X	AS8943
96	Cogent Communications, LLC	X	AS1239
97	SNETTERTON TELECOM LIMITED		AS201060
98	Kantonsschule Zug	X	AS34288
99	Tiggee LLC	X	AS16552
100	Sota Solutions Ltd.	X	AS31742
101	Telehouse EAD		AS57344
102	Patrizio Palumbo	X	AS211358
103	Valve Corporation		AS32590
104	Guwin Universal Services LLC	X	AS201398
105	EX Networks Limited	X	AS35266
106	Hetzner Online GmbH	X	AS24940
107	Tismi BV	X	AS62167
108	OVH SAS	X	AS16276
109	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
110	Worldline IGSA SA		AS47957
111	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
112	Conor Lewis	X	AS214420
113	ALTEASYSTEMS OU		AS215955
114	Netia SA		AS12741
115	AFR-IX TELECOM S.A.	X	AS60171
116	NetIX Communications JSC		AS57463
117	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
118	NOVACONN SRL	X	AS203462
119	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
120	Adam Goodenough	X	AS210667
121	Vorboss Limited	X	AS25160
122	BSE Software GmbH		AS9044
123	Peravix Group LTD		AS204208
124	Main one Cable Company Nigeria Limited		AS37282
125	Misaka Network, Inc.	X	AS917
126	Converge ICT Solutions Inc.		AS17639
127	Philippine Long Distance Telephone Company	X	AS9299
128	Olilo UK & Ireland Ltd.		AS212683
129	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
130	PT. Internet Madju Abad Milenindo	X	AS45701
131	IP TELECOM	X	AS61573
132	NetActuate, Inc	X	AS36236
133	CORIX NETWORKS		AS999
134	IX Reach Ltd		AS4455
135	Exatel S.A.		AS20804
136	Cool Ideas Service Provider (Pty) Ltd		AS37680
137	Wifirst S.A.S.	X	AS52075
138	ASN block not managed by the RIPE NCC		AS65101
139	Anexia Cloud Solutions GmbH	X	AS42473
140	MainStreaming SpA	X	AS51185
141	SIACOM JSC		AS198150
142	SARL IPSET		AS206014
143	Globe Telecoms		AS4775
144	LINK BRASIL TELECOMUNICACOES LTDA		AS271253

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	iFog GmbH	X	AS34927
7	GSL Networks Pty LTD	X	AS137409
8	xTom GmbH	X	AS3214
9	EDGEUNO S.A.S	X	AS7195
10	IP-Max SA	X	AS25091
11	SEACOM Limited	X	AS37100
12	F5 Networks SARL	X	AS35280
13	meerfarbig GmbH & Co. KG	X	AS34549
14	Inter.link GmbH	X	AS5405
15	Liquid Telecommunications Ltd	X	AS30844
16	Joseph Rawlings trading as Virtnet.bond		AS214022
17	Zayo Infrastructure France SA	X	AS8218
18	Stadtwerke Feldkirch	X	AS48362
19	Administracion Nacional de Telecomunicaciones	X	AS6057
20	INTERKVM HOST SRL	X	AS6204
21	31173 Services AB	X	AS39351
22	IELO-LIAZO SERVICES SAS	X	AS29075
23	MoeDove LLC		AS44324
24	atom86 BV	X	AS8455
25	James Cahill	X	AS214749
26	OVH SAS	X	AS16276
27	MainStreaming SpA	X	AS51185
28	Rocket Fibre Ltd	X	AS8801
29	Anexia Cloud Solutions GmbH	X	AS42473
30	Gentlent GmbH	X	AS52112
31	IP TELECOM	X	AS61573
32	IT.Gate S.p.A.	X	AS12779
33	Cilix Limited	X	AS215638
34	Hetzner Online GmbH	X	AS24940
35	Lewis Foster		AS215332
36	Anycast Global Backbone	X	AS58511
37	PT. Cyberindo Aditama	X	AS38158
38	Fiber Telecom S.p.A.	X	AS41327
39	TECHIT.BE SRL		AS213241
40	Cogent Communications, LLC	X	AS1239
41	Invesco Group Services, Inc.	X	AS14630
42	Kantonsschule Zug	X	AS34288
43	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
44	Patrizio Palumbo	X	AS211358
45	Jump Networks Ltd	X	AS8943
46	CustodianDC Limited	X	AS50300
47	Adam Goodenough	X	AS210667
48	Wifirst S.A.S.	X	AS52075
49	AFR-IX TELECOM S.A.	X	AS60171
50	Tismi BV	X	AS62167
51	Johannes Ernst		AS212895
52	Digiweb ltd		AS31122
53	Unitas Global	X	AS1828
54	Rackdog, LLC		AS398465
55	Philippine Long Distance Telephone Company	X	AS9299
56	NetActuate, Inc	X	AS36236
57	ParadoxNetworks Limited		AS52025
58	Misaka Network, Inc.	X	AS917
59	SG.GS	X	AS24482
60	Guwin Universal Services LLC	X	AS201398
61	West Indian Ocean Cable Company	X	AS37662
62	ADISTA SAS	X	AS16347
63	Celeste SAS	X	AS34177
64	Jude Gabriel Powell	X	AS213798
65	Claranet Limited	X	AS8426
66	PT. Internet Madju Abad Milenindo	X	AS45701
67	EX Networks Limited	X	AS35266
68	DSM (GB) Limited	X	AS48070
69	Kanton Zug	X	AS51907
70	Conor Lewis	X	AS214420
71	RISE	X	AS63927
72	Zain Omantel International FZ-LLC		AS8529
73	Wavenet Limited	X	AS5413
74	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
75	Proximus Luxembourg S.A.	X	AS56665
76	Sota Solutions Ltd.	X	AS31742
77	NOVACONN SRL	X	AS203462
78	Tiggee LLC	X	AS16552
79	Blacknight Internet Solutions Limited	X	AS39122
80	team.blue NV	X	AS48185
81	i3D.net B.V	X	AS49544
82	Vorboss Limited	X	AS25160
83	VeloxServ Communications Ltd	X	AS3170

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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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