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): 156
BGP Peers Observed (v4): 146
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	INTERKVM HOST SRL	X	AS6204
8	Inter.link GmbH	X	AS5405
9	iFog GmbH	X	AS34927
10	Core-Backbone GmbH		AS33891
11	BR.Digital Telecom		AS14840
12	Angola Cables		AS37468
13	IP-Max SA	X	AS25091
14	EDGEUNO S.A.S	X	AS7195
15	Zayo Infrastructure France SA	X	AS8218
16	GGNET TELECOMUNICACOES LTDA		AS53062
17	SEACOM Limited	X	AS37100
18	meerfarbig GmbH & Co. KG	X	AS34549
19	GSL Networks Pty LTD	X	AS137409
20	F5 Networks SARL	X	AS35280
21	Exascale Ltd		AS61049
22	Global Network Management Inc		AS31500
23	GlobalConnect AB		AS12552
24	xTom GmbH	X	AS3214
25	Bharti Airtel Ltd		AS9498
26	PJSC "Vimpelcom"		AS3216
27	Huge Solucoes Corporativas Ltda		AS264409
28	Broadband Hosting B.V.		AS20562
29	Flag Telecom UK Limited		AS15412
30	IELO-LIAZO SERVICES SAS	X	AS29075
31	Blix Solutions AS		AS50304
32	31173 Services AB	X	AS39351
33	PEER 1031 LLC		AS1031
34	Fiber Telecom S.p.A.	X	AS41327
35	i3D.net B.V	X	AS49544
36	Liquid Telecommunications Ltd	X	AS30844
37	West Indian Ocean Cable Company	X	AS37662
38	Network Platforms (PTY) LTD		AS37497
39	Dimension Data		AS3741
40	atom86 BV	X	AS8455
41	MC-IX Matrix Internet Exchange RS-1		AS55818
42	SG.GS	X	AS24482
43	Administracion Nacional de Telecomunicaciones	X	AS6057
44	IT.Gate S.p.A.	X	AS12779
45	Blacknight Internet Solutions Limited	X	AS39122
46	euNetworks GmbH		AS13237
47	Viewqwest Pte Ltd		AS18106
48	Stadtwerke Feldkirch	X	AS48362
49	MIGO TELECOM		AS263152
50	MTN SA		AS16637
51	ARISTO NETWORKS LTD		AS216265
52	ONETIS TECNOLOGIA LTDA		AS267256
53	Celeste SAS	X	AS34177
54	Ote SA (Hellenic Telecommunications Organisation)		AS12713
55	12651980 CANADA INC.		AS399486
56	Telkom SA Ltd.		AS5713
57	WIND TRE S.P.A.		AS1267
58	James Cahill	X	AS214749
59	Converge ICT Solutions Inc.		AS17639
60	ALTEASYSTEMS OU		AS215955
61	Anexia Cloud Solutions GmbH	X	AS42473
62	INFORBARRA TELECOM		AS263903
63	SARL IPSET		AS206014
64	Axclusive		AS132337
65	NetIX Communications JSC		AS57463
66	Neterra Ltd.		AS34224
67	Jump Networks Ltd	X	AS8943
68	Tiggee LLC	X	AS16552
69	CORIX NETWORKS		AS999
70	Tismi BV	X	AS62167
71	Webmate Internet Services Ltd.		AS199204
72	IX Reach Ltd		AS4455
73	team.blue NV	X	AS48185
74	Cogent Communications, LLC	X	AS1239
75	Claranet Limited	X	AS8426
76	Inovare-Prim SRL		AS60602
77	Prime Telecom srl		AS39737
78	BSE Software GmbH		AS9044
79	Wavenet Limited	X	AS5413
80	ADISTA SAS	X	AS16347
81	Emirates Integrated Telecommunications Company PJSC		AS15802
82	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
83	Sota Solutions Ltd.	X	AS31742
84	Exatel S.A.		AS20804
85	Gentlent GmbH	X	AS52112
86	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
87	KDDI Europe Ltd		AS6894
88	Adam Goodenough	X	AS210667
89	Continent 8 LLC		AS14537
90	Micron21 Datacentre Pty Ltd		AS38880
91	Valve Corporation		AS32590
92	Conor Lewis	X	AS214420
93	Jude Gabriel Powell	X	AS213798
94	Invesco Group Services, Inc.	X	AS14630
95	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
96	Public Internet Ltd		AS28792
97	Philippine Long Distance Telephone Company	X	AS9299
98	VeloxServ Communications Ltd	X	AS3170
99	Convergenze S.p.A.		AS39120
100	Proximus Luxembourg S.A.	X	AS56665
101	PT. Internet Madju Abad Milenindo	X	AS45701
102	IP TELECOM	X	AS61573
103	AFR-IX TELECOM S.A.	X	AS60171
104	Unitas Global	X	AS1828
105	NetActuate, Inc	X	AS36236
106	IP ServerOne Solutions Sdn Bhd		AS45352
107	Lancom Ltd.		AS199081
108	EX Networks Limited	X	AS35266
109	Inferno Communications Ltd		AS207841
110	Kanton Zug	X	AS51907
111	TurkNet Iletisim Hizmetleri A.S.		AS12735
112	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
113	SNETTERTON TELECOM LIMITED		AS201060
114	Patrizio Palumbo	X	AS211358
115	Globe Telecoms		AS4775
116	PT. Cyberindo Aditama	X	AS38158
117	Guwin Universal Services LLC	X	AS201398
118	Cool Ideas Service Provider (Pty) Ltd		AS37680
119	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
120	Worldline IGSA SA		AS47957
121	OVH SAS	X	AS16276
122	DSM (GB) Limited	X	AS48070
123	Rocket Fibre Ltd	X	AS8801
124	Virtual Technologies & Solutions		AS37721
125	Hetzner Online GmbH	X	AS24940
126	Vorboss Limited	X	AS25160
127	MainStreaming SpA	X	AS51185
128	Anycast Global Backbone	X	AS58511
129	Ljosleidarinn ehf		AS12969
130	NOVACONN SRL	X	AS203462
131	Peravix Group LTD		AS204208
132	CustodianDC Limited	X	AS50300
133	Netia SA		AS12741
134	ASN block not managed by the RIPE NCC		AS65101
135	Kantonsschule Zug	X	AS34288
136	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
137	SIACOM JSC		AS198150
138	Wifirst S.A.S.	X	AS52075
139	Novelcomm LP	X	AS206735
140	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
141	M247 Europe SRL		AS9009
142	Telehouse EAD		AS57344
143	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
144	Misaka Network, Inc.	X	AS917
145	RISE	X	AS63927
146	Olilo UK & Ireland Ltd.		AS212683

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	EDGEUNO S.A.S	X	AS7195
9	IP-Max SA	X	AS25091
10	Inter.link GmbH	X	AS5405
11	SEACOM Limited	X	AS37100
12	F5 Networks SARL	X	AS35280
13	MoeDove LLC		AS44324
14	INTERKVM HOST SRL	X	AS6204
15	meerfarbig GmbH & Co. KG	X	AS34549
16	Joseph Rawlings trading as Virtnet.bond		AS214022
17	31173 Services AB	X	AS39351
18	atom86 BV	X	AS8455
19	Liquid Telecommunications Ltd	X	AS30844
20	Stadtwerke Feldkirch	X	AS48362
21	IELO-LIAZO SERVICES SAS	X	AS29075
22	Zayo Infrastructure France SA	X	AS8218
23	Administracion Nacional de Telecomunicaciones	X	AS6057
24	Adam Goodenough	X	AS210667
25	Wavenet Limited	X	AS5413
26	VeloxServ Communications Ltd	X	AS3170
27	iFog GmbH	X	AS34927
28	Blacknight Internet Solutions Limited	X	AS39122
29	CustodianDC Limited	X	AS50300
30	Fiber Telecom S.p.A.	X	AS41327
31	Tismi BV	X	AS62167
32	Kantonsschule Zug	X	AS34288
33	NetActuate, Inc	X	AS36236
34	OVH SAS	X	AS16276
35	TECHIT.BE SRL		AS213241
36	Lewis Foster		AS215332
37	Tiggee LLC	X	AS16552
38	i3D.net B.V	X	AS49544
39	MainStreaming SpA	X	AS51185
40	Gentlent GmbH	X	AS52112
41	IP TELECOM	X	AS61573
42	Anycast Global Backbone	X	AS58511
43	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
44	Misaka Network, Inc.	X	AS917
45	Proximus Luxembourg S.A.	X	AS56665
46	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
47	Invesco Group Services, Inc.	X	AS14630
48	PT. Internet Madju Abad Milenindo	X	AS45701
49	Sota Solutions Ltd.	X	AS31742
50	DSM (GB) Limited	X	AS48070
51	IT.Gate S.p.A.	X	AS12779
52	Rackdog, LLC		AS398465
53	Claranet Limited	X	AS8426
54	Kanton Zug	X	AS51907
55	ADISTA SAS	X	AS16347
56	Celeste SAS	X	AS34177
57	Zain Omantel International FZ-LLC		AS8529
58	Novelcomm LP	X	AS206735
59	Rocket Fibre Ltd	X	AS8801
60	West Indian Ocean Cable Company	X	AS37662
61	RISE	X	AS63927
62	Wifirst S.A.S.	X	AS52075
63	Anexia Cloud Solutions GmbH	X	AS42473
64	Guwin Universal Services LLC	X	AS201398
65	NOVACONN SRL	X	AS203462
66	EX Networks Limited	X	AS35266
67	SG.GS	X	AS24482
68	Jump Networks Ltd	X	AS8943
69	Patrizio Palumbo	X	AS211358
70	PT. Cyberindo Aditama	X	AS38158
71	team.blue NV	X	AS48185
72	Unitas Global	X	AS1828
73	ParadoxNetworks Limited		AS52025
74	James Cahill	X	AS214749
75	Philippine Long Distance Telephone Company	X	AS9299
76	Hetzner Online GmbH	X	AS24940
77	Cogent Communications, LLC	X	AS1239
78	Conor Lewis	X	AS214420
79	Jude Gabriel Powell	X	AS213798
80	Johannes Ernst		AS212895
81	Vorboss Limited	X	AS25160
82	Digiweb ltd		AS31122
83	AFR-IX TELECOM S.A.	X	AS60171
84	Cilix Limited	X	AS215638

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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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