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): 74
Prefixes Originated (v4): 72
Prefixes Originated (v6): 2

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

RPKI Originated Valid (all): 7
RPKI Originated Valid (v4): 7
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): 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	ADSL_MA
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
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	Angola Cables		AS37468
8	iFog GmbH	X	AS34927
9	GSL Networks Pty LTD	X	AS137409
10	Inter.link GmbH	X	AS5405
11	BR.Digital Telecom		AS14840
12	INTERKVM HOST SRL	X	AS6204
13	IP-Max SA	X	AS25091
14	ACESSOLINE TELECOMUNICACOES LTDA		AS53062
15	EDGEUNO S.A.S	X	AS7195
16	meerfarbig GmbH & Co. KG	X	AS34549
17	SEACOM Limited	X	AS37100
18	Core-Backbone GmbH		AS33891
19	Exascale Ltd		AS61049
20	Zayo Infrastructure France SA	X	AS8218
21	GlobalConnect AB		AS12552
22	F5 Networks SARL	X	AS35280
23	Flag Telecom UK Limited		AS15412
24	PEER 1031 LLC		AS1031
25	Bharti Airtel Ltd		AS9498
26	PJSC "Vimpelcom"		AS3216
27	xTom GmbH	X	AS3214
28	Blix Solutions AS		AS50304
29	31173 Services AB	X	AS39351
30	Global Network Management Inc		AS31500
31	Broadband Hosting B.V.		AS20562
32	IELO-LIAZO SERVICES SAS	X	AS29075
33	i3D.net B.V	X	AS49544
34	Dimension Data		AS3741
35	ARISTO NETWORKS LTD		AS216265
36	Liquid Telecommunications Ltd	X	AS30844
37	Network Platforms (PTY) LTD		AS37497
38	euNetworks GmbH		AS13237
39	Viewqwest Pte Ltd		AS18106
40	MTN SA		AS16637
41	WIND TRE S.P.A.		AS1267
42	Administracion Nacional de Telecomunicaciones	X	AS6057
43	Ote SA (Hellenic Telecommunications Organisation)		AS12713
44	Fiber Telecom S.p.A.	X	AS41327
45	West Indian Ocean Cable Company	X	AS37662
46	Telkom SA Ltd.		AS5713
47	IT.Gate S.p.A.	X	AS12779
48	SG.GS	X	AS24482
49	Stadtwerke Feldkirch	X	AS48362
50	GlobalConnect AB	X	AS6797
51	MIGO TELECOM		AS263152
52	MC-IX Matrix Internet Exchange RS-1		AS55818
53	Celeste SAS	X	AS34177
54	atom86 BV	X	AS8455
55	ONETIS TECNOLOGIA LTDA		AS267256
56	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
57	Webmate Internet Services Ltd.		AS199204
58	Conor Lewis	X	AS214420
59	Micron21 Datacentre Pty Ltd		AS38880
60	PT. Internet Madju Abad Milenindo	X	AS45701
61	INFORBARRA TELECOM		AS263903
62	PT. Cyberindo Aditama		AS38158
63	MainStreaming SpA	X	AS51185
64	Vorboss Limited	X	AS25160
65	Exatel S.A.		AS20804
66	Wifirst S.A.S.	X	AS52075
67	NOVACONN SRL	X	AS203462
68	IP ServerOne Solutions Sdn Bhd		AS45352
69	Valve Corporation		AS32590
70	Lancom Ltd.		AS199081
71	SIACOM JSC		AS198150
72	ADISTA SAS	X	AS16347
73	Tiggee LLC	X	AS16552
74	NetIX Communications JSC		AS57463
75	Inovare-Prim SRL		AS60602
76	CORIX NETWORKS		AS999
77	AFR-IX TELECOM S.A.	X	AS60171
78	Converge ICT Solutions Inc.		AS17639
79	James Cahill	X	AS214749
80	Hetzner Online GmbH	X	AS24940
81	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
82	Kanton Zug	X	AS51907
83	SNETTERTON TELECOM LIMITED		AS201060
84	Virtual Technologies & Solutions		AS37721
85	Axclusive		AS132337
86	EX Networks Limited	X	AS35266
87	Anycast Global Backbone	X	AS58511
88	Adam Goodenough	X	AS210667
89	ALTEASYSTEMS OU		AS215955
90	Globe Telecoms	X	AS4775
91	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
92	Netia SA		AS12741
93	Rocket Fibre Ltd	X	AS8801
94	Ljosleidarinn ehf		AS12969
95	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
96	DSM (GB) Limited	X	AS48070
97	OVH SAS	X	AS16276
98	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
99	Blacknight Internet Solutions Limited	X	AS39122
100	CustodianDC Limited	X	AS50300
101	Telehouse EAD		AS57344
102	Philippine Long Distance Telephone Company	X	AS9299
103	Misaka Network, Inc.	X	AS917
104	team.blue NV	X	AS48185
105	TurkNet Iletisim Hizmetleri A.S.		AS12735
106	Olilo UK & Ireland Ltd.		AS212683
107	Claranet Limited	X	AS8426
108	Gentlent GmbH	X	AS52112
109	Tismi BV	X	AS62167
110	Kantonsschule Zug	X	AS34288
111	Unitas Global	X	AS1828
112	Continent 8 LLC		AS14537
113	Wavenet Limited	X	AS5413
114	Patrizio Palumbo	X	AS211358
115	ASN block not managed by the RIPE NCC		AS65101
116	Invesco Group Services, Inc.	X	AS14630
117	StarHub Ltd		AS4657
118	NetActuate, Inc	X	AS36236
119	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
120	Convergenze S.p.A.		AS39120
121	Mirage Global Technologies LLC	X	AS403001
122	Emirates Integrated Telecommunications Company PJSC		AS15802
123	Worldline IGSA SA		AS47957
124	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
125	Novelcomm LP	X	AS206735
126	BSE Software GmbH		AS9044
127	Jude Gabriel Powell	X	AS213798
128	Public Internet Ltd		AS28792
129	Neterra Ltd.		AS34224
130	IP TELECOM	X	AS61573
131	Peravix Group LTD		AS204208
132	CETIN Ltd. Belgrade		AS15958
133	Cool Ideas Service Provider (Pty) Ltd		AS37680
134	KDDI Europe Ltd		AS6894
135	Proximus Luxembourg S.A.	X	AS56665
136	Sota Solutions Ltd.	X	AS31742
137	VeloxServ Communications Ltd	X	AS3170
138	Cogent Communications, LLC	X	AS1239
139	SARL IPSET		AS206014
140	RISE	X	AS63927
141	Inferno Communications Ltd		AS207841
142	M247 Europe SRL		AS9009
143	Anexia Cloud Solutions GmbH	X	AS42473
144	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
145	IX Reach Ltd		AS4455

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	F5 Networks SARL	X	AS35280
10	Inter.link GmbH	X	AS5405
11	INTERKVM HOST SRL	X	AS6204
12	meerfarbig GmbH & Co. KG	X	AS34549
13	Liquid Telecommunications Ltd	X	AS30844
14	31173 Services AB	X	AS39351
15	Joseph Rawlings trading as Virtnet.bond		AS214022
16	IELO-LIAZO SERVICES SAS	X	AS29075
17	EDGEUNO S.A.S	X	AS7195
18	SEACOM Limited	X	AS37100
19	Administracion Nacional de Telecomunicaciones	X	AS6057
20	Zayo Infrastructure France SA	X	AS8218
21	atom86 BV	X	AS8455
22	Stadtwerke Feldkirch	X	AS48362
23	James Cahill	X	AS214749
24	Anexia Cloud Solutions GmbH	X	AS42473
25	Fiber Telecom S.p.A.	X	AS41327
26	Adam Goodenough	X	AS210667
27	ParadoxNetworks Limited		AS52025
28	AFR-IX TELECOM S.A.	X	AS60171
29	Novelcomm LP	X	AS206735
30	Kanton Zug	X	AS51907
31	Lewis Foster		AS215332
32	NOVACONN SRL	X	AS203462
33	Wifirst S.A.S.	X	AS52075
34	Zain Omantel International FZ-LLC		AS8529
35	i3D.net B.V	X	AS49544
36	PT. Internet Madju Abad Milenindo	X	AS45701
37	Wavenet Limited	X	AS5413
38	Anycast Global Backbone	X	AS58511
39	GlobalConnect AB	X	AS6797
40	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
41	Jude Gabriel Powell	X	AS213798
42	Tiggee LLC	X	AS16552
43	team.blue NV	X	AS48185
44	Blacknight Internet Solutions Limited	X	AS39122
45	ADISTA SAS	X	AS16347
46	Mirage Global Technologies LLC	X	AS403001
47	Tismi BV	X	AS62167
48	Claranet Limited	X	AS8426
49	Unitas Global	X	AS1828
50	Misaka Network, Inc.	X	AS917
51	TECHIT.BE SRL		AS213241
52	MainStreaming SpA	X	AS51185
53	Invesco Group Services, Inc.	X	AS14630
54	IT.Gate S.p.A.	X	AS12779
55	Globe Telecoms	X	AS4775
56	Celeste SAS	X	AS34177
57	IP TELECOM	X	AS61573
58	Vorboss Limited	X	AS25160
59	Johannes Ernst		AS212895
60	DSM (GB) Limited	X	AS48070
61	Cogent Communications, LLC	X	AS1239
62	RISE	X	AS63927
63	Rackdog, LLC		AS398465
64	EX Networks Limited	X	AS35266
65	Gentlent GmbH	X	AS52112
66	Digiweb ltd		AS31122
67	Philippine Long Distance Telephone Company	X	AS9299
68	CustodianDC Limited	X	AS50300
69	OVH SAS	X	AS16276
70	Conor Lewis	X	AS214420
71	Proximus Luxembourg S.A.	X	AS56665
72	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
73	Rocket Fibre Ltd	X	AS8801
74	Sota Solutions Ltd.	X	AS31742
75	Hetzner Online GmbH	X	AS24940
76	Patrizio Palumbo	X	AS211358
77	NetActuate, Inc	X	AS36236
78	MoeDove LLC		AS44324
79	West Indian Ocean Cable Company	X	AS37662
80	iFog GmbH	X	AS34927
81	Cilix Limited	X	AS215638
82	VeloxServ Communications Ltd	X	AS3170
83	SG.GS	X	AS24482
84	Kantonsschule Zug	X	AS34288

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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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