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	INTERKVM HOST SRL	X	AS6204
9	Inter.link GmbH	X	AS5405
10	iFog GmbH	X	AS34927
11	Angola Cables		AS37468
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	GGNET TELECOMUNICACOES LTDA		AS53062
18	SEACOM Limited	X	AS37100
19	F5 Networks SARL	X	AS35280
20	meerfarbig GmbH & Co. KG	X	AS34549
21	Bharti Airtel Ltd		AS9498
22	GlobalConnect AB		AS12552
23	PEER 1031 LLC		AS1031
24	PJSC "Vimpelcom"		AS3216
25	Exascale Ltd		AS61049
26	Global Network Management Inc		AS31500
27	Blix Solutions AS		AS50304
28	IELO-LIAZO SERVICES SAS	X	AS29075
29	ARISTO NETWORKS LTD		AS216265
30	xTom GmbH	X	AS3214
31	Broadband Hosting B.V.		AS20562
32	31173 Services AB	X	AS39351
33	Huge Solucoes Corporativas Ltda		AS264409
34	Liquid Telecommunications Ltd	X	AS30844
35	West Indian Ocean Cable Company	X	AS37662
36	Flag Telecom UK Limited		AS15412
37	Dimension Data		AS3741
38	i3D.net B.V	X	AS49544
39	Fiber Telecom S.p.A.	X	AS41327
40	Network Platforms (PTY) LTD		AS37497
41	atom86 BV	X	AS8455
42	SG.GS	X	AS24482
43	12651980 CANADA INC.		AS399486
44	Celeste SAS	X	AS34177
45	Administracion Nacional de Telecomunicaciones	X	AS6057
46	Stadtwerke Feldkirch	X	AS48362
47	WIND TRE S.P.A.		AS1267
48	Telkom SA Ltd.		AS5713
49	IT.Gate S.p.A.	X	AS12779
50	MC-IX Matrix Internet Exchange RS-1		AS55818
51	Blacknight Internet Solutions Limited	X	AS39122
52	euNetworks GmbH		AS13237
53	MTN SA		AS16637
54	Viewqwest Pte Ltd		AS18106
55	ONETIS TECNOLOGIA LTDA		AS267256
56	Ote SA (Hellenic Telecommunications Organisation)		AS12713
57	MIGO TELECOM		AS263152
58	Patrizio Palumbo	X	AS211358
59	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
60	Lancom Ltd.		AS199081
61	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
62	Exatel S.A.		AS20804
63	Inferno Communications Ltd		AS207841
64	Converge ICT Solutions Inc.		AS17639
65	Gentlent GmbH	X	AS52112
66	Valve Corporation		AS32590
67	Hetzner Online GmbH	X	AS24940
68	Ljosleidarinn ehf		AS12969
69	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
70	BSE Software GmbH		AS9044
71	KDDI Europe Ltd		AS6894
72	Netia SA		AS12741
73	Jude Gabriel Powell	X	AS213798
74	Wavenet Limited	X	AS5413
75	Misaka Network, Inc.	X	AS917
76	Telehouse EAD		AS57344
77	SIACOM JSC		AS198150
78	Inovare-Prim SRL		AS60602
79	Vorboss Limited	X	AS25160
80	Invesco Group Services, Inc.	X	AS14630
81	CORIX NETWORKS		AS999
82	Convergenze S.p.A.		AS39120
83	Peravix Group LTD		AS204208
84	Adam Goodenough	X	AS210667
85	Micron21 Datacentre Pty Ltd		AS38880
86	Unitas Global	X	AS1828
87	Public Internet Ltd		AS28792
88	Philippine Long Distance Telephone Company	X	AS9299
89	ADISTA SAS	X	AS16347
90	Guwin Universal Services LLC	X	AS201398
91	SARL IPSET		AS206014
92	ASN block not managed by the RIPE NCC		AS65101
93	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
94	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
95	Proximus Luxembourg S.A.	X	AS56665
96	Neterra Ltd.		AS34224
97	TurkNet Iletisim Hizmetleri A.S.		AS12735
98	Kanton Zug	X	AS51907
99	Continent 8 LLC		AS14537
100	CustodianDC Limited	X	AS50300
101	Tismi BV	X	AS62167
102	ALTEASYSTEMS OU		AS215955
103	OVH SAS	X	AS16276
104	team.blue NV	X	AS48185
105	DSM (GB) Limited	X	AS48070
106	James Cahill	X	AS214749
107	Virtual Technologies & Solutions		AS37721
108	Axclusive		AS132337
109	RISE	X	AS63927
110	EX Networks Limited	X	AS35266
111	Kantonsschule Zug	X	AS34288
112	Globe Telecoms		AS4775
113	Worldline IGSA SA		AS47957
114	NetIX Communications JSC		AS57463
115	Tiggee LLC	X	AS16552
116	NOVACONN SRL	X	AS203462
117	M247 Europe SRL		AS9009
118	Cogent Communications, LLC	X	AS1239
119	Anexia Cloud Solutions GmbH	X	AS42473
120	Main one Cable Company Nigeria Limited		AS37282
121	IX Reach Ltd		AS4455
122	VeloxServ Communications Ltd	X	AS3170
123	IP ServerOne Solutions Sdn Bhd		AS45352
124	SNETTERTON TELECOM LIMITED		AS201060
125	PT. Cyberindo Aditama	X	AS38158
126	Claranet Limited	X	AS8426
127	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
128	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
129	Conor Lewis	X	AS214420
130	Webmate Internet Services Ltd.		AS199204
131	MainStreaming SpA	X	AS51185
132	Rocket Fibre Ltd	X	AS8801
133	IP TELECOM	X	AS61573
134	Jump Networks Ltd	X	AS8943
135	Cool Ideas Service Provider (Pty) Ltd		AS37680
136	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
137	AFR-IX TELECOM S.A.	X	AS60171
138	Emirates Integrated Telecommunications Company PJSC		AS15802
139	Wifirst S.A.S.	X	AS52075
140	Olilo UK & Ireland Ltd.		AS212683
141	Anycast Global Backbone	X	AS58511
142	Sota Solutions Ltd.	X	AS31742
143	INFORBARRA TELECOM		AS263903
144	NetActuate, Inc	X	AS36236
145	PT. Internet Madju Abad Milenindo	X	AS45701

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

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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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