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): 73
Prefixes Originated (v4): 71
Prefixes Originated (v6): 2

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

RPKI Originated Valid (all): 6
RPKI Originated Valid (v4): 6
RPKI Originated Valid (v6): 0

RPKI Originated Invalid (all): 1
RPKI Originated Invalid (v4): 1
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 163
BGP Peers Observed (v4): 145
BGP Peers Observed (v6): 117

IPs Originated (v4): 72,704
AS Paths Observed (v4): 2,461
AS Paths Observed (v6): 1,231

Average AS Path Length (all): 3.694
Average AS Path Length (v4): 3.689
Average AS Path Length (v6): 3.705

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
AS215638	Cilix Limited
AS137409	GSL Networks Pty LTD
AS8426	Claranet Limited
AS7195	EDGEUNO S.A.S

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
80.247.216.0/24	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	Mo's Operations GmbH
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
185.201.208.0/22	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.	X	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	GSL Networks Pty LTD	X	AS137409
7	INTERKVM HOST SRL	X	AS6204
8	Cilix Limited	X	AS215638
9	Angola Cables		AS37468
10	Exascale Ltd		AS61049
11	iFog GmbH	X	AS34927
12	BR.Digital Telecom	X	AS14840
13	Core-Backbone GmbH	X	AS33891
14	EDGEUNO S.A.S	X	AS7195
15	IP-Max SA	X	AS25091
16	Zayo Infrastructure France SA	X	AS8218
17	meerfarbig GmbH & Co. KG	X	AS34549
18	Broadband Hosting B.V.	X	AS20562
19	PJSC "Vimpelcom"		AS3216
20	Inter.link GmbH	X	AS5405
21	atom86 BV	X	AS8455
22	F5 Networks SARL	X	AS35280
23	GlobalConnect AB	X	AS12552
24	Bharti Airtel Ltd		AS9498
25	GGNET TELECOMUNICACOES LTDA		AS53062
26	Flag Telecom UK Limited		AS15412
27	xTom GmbH	X	AS3214
28	Blix Solutions AS		AS50304
29	IELO-LIAZO SERVICES SAS	X	AS29075
30	SEACOM Limited	X	AS37100
31	Global Network Management Inc	X	AS31500
32	31173 Services AB	X	AS39351
33	Liquid Telecommunications Ltd	X	AS30844
34	Dimension Data		AS3741
35	Fiber Telecom S.p.A.	X	AS41327
36	PEER 1031 LLC	X	AS1031
37	Network Platforms (PTY) LTD		AS37497
38	DSM (GB) Limited	X	AS48070
39	VeloxServ Communications Ltd	X	AS3170
40	Blacknight Internet Solutions Limited	X	AS39122
41	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
42	Stadtwerke Feldkirch	X	AS48362
43	MTN SA		AS16637
44	Emirates Integrated Telecommunications Company PJSC	X	AS15802
45	Telkom SA Ltd.	X	AS5713
46	West Indian Ocean Cable Company	X	AS37662
47	Celeste SAS	X	AS34177
48	IT.Gate S.p.A.	X	AS12779
49	MTS PJSC		AS8359
50	SG.GS	X	AS24482
51	euNetworks GmbH		AS13237
52	Viewqwest Pte Ltd	X	AS18106
53	Administracion Nacional de Telecomunicaciones	X	AS6057
54	WIND TRE S.P.A.		AS1267
55	MIGO TELECOM		AS263152
56	Rackdog, LLC	X	AS398465
57	i3D.net B.V	X	AS49544
58	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
59	Inferno Communications Ltd	X	AS207841
60	Neterra Ltd.		AS34224
61	Novelcomm LP	X	AS206735
62	Misaka Network, Inc.	X	AS917
63	Conor Lewis	X	AS214420
64			AS65102
65	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
66	BSE Software GmbH		AS9044
67	Rocket Fibre Ltd	X	AS8801
68	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
69	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
70	Australian Academic and Research Network (AARNet)		AS7575
71	NOVACONN SRL	X	AS203462
72	Hetzner Online GmbH	X	AS24940
73	Peravix Group LTD	X	AS204208
74	ARISTO NETWORKS LTD		AS216265
75	Kantonsschule Zug	X	AS34288
76	Inovare-Prim SRL	X	AS60602
77	Worldline IGSA SA	X	AS47957
78	CustodianDC Limited	X	AS50300
79	Converge ICT Solutions Inc.	X	AS17639
80	Claranet Limited	X	AS8426
81	Patrizio Palumbo	X	AS211358
82	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
83	Jump Networks Ltd	X	AS8943
84	Jude Gabriel Powell	X	AS213798
85	Continent 8 LLC	X	AS14537
86	Wifirst S.A.S.	X	AS52075
87	Adam Goodenough	X	AS210667
88	SNETTERTON TELECOM LIMITED		AS201060
89	Valve Corporation		AS32590
90	S3 Company Ltd		AS4849
91	CORIX NETWORKS		AS999
92	China Mobile International Limited		AS58453
93	Public Internet Ltd		AS28792
94	M247 Europe SRL		AS9009
95	James Cahill	X	AS214749
96	Prime Telecom srl		AS39737
97	Tiggee LLC	X	AS16552
98	LINK AMERICAN		AS1000
99	AFR-IX TELECOM S.A.	X	AS60171
100	Virtual Technologies & Solutions	X	AS37721
101	Cool Ideas Service Provider (Pty) Ltd		AS37680
102	NetIX Communications JSC	X	AS57463
103	Axclusive	X	AS132337
104	SARL IPSET	X	AS206014
105	MainStreaming SpA	X	AS51185
106	team.blue NV	X	AS48185
107	Unitas Global	X	AS1828
108	Tismi BV	X	AS62167
109	EX Networks Limited	X	AS35266
110	PT. Cyberindo Aditama		AS38158
111	Anycast Global Backbone	X	AS58511
112	IX Reach Ltd	X	AS4455
113	Convergenze S.p.A.	X	AS39120
114	Invesco Group Services, Inc.	X	AS14630
115	Kanton Zug	X	AS51907
116	Sota Solutions Ltd.	X	AS31742
117	Primetel PLC		AS8544
118	Fibre Networks (Scotland) Limited		AS202076
119	SIACOM JSC	X	AS198150
120	Ljosleidarinn ehf		AS12969
121	Proximus Luxembourg S.A.	X	AS56665
122	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
123	Main one Cable Company Nigeria Limited		AS37282
124	Vorboss Limited	X	AS25160
125	OVH SAS	X	AS16276
126	Gentlent GmbH	X	AS52112
127	Lancom Ltd.	X	AS199081
128	NetActuate, Inc	X	AS36236
129	ADISTA SAS	X	AS16347
130	Wavenet Limited	X	AS5413
131	IP TELECOM	X	AS61573
132	Telehouse EAD		AS57344
133	Webmate Internet Services Ltd.		AS199204
134	RISE	X	AS63927
135	Micron21 Datacentre Pty Ltd		AS38880
136	PT. Internet Madju Abad Milenindo	X	AS45701
137	KDDI Europe Ltd	X	AS6894
138	Dyjix SAS		AS212815
139	IP ServerOne Solutions Sdn Bhd		AS45352
140	Netia SA		AS12741
141	Anexia Cloud Solutions GmbH	X	AS42473
142	Ote SA (Hellenic Telecommunications Organisation)		AS12713
143	Connectivia S.r.l	X	AS207594
144	TurkNet Iletisim Hizmetleri A.S.		AS12735
145	Cogent Communications, LLC	X	AS1239

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	Cilix Limited	X	AS215638
8	GSL Networks Pty LTD	X	AS137409
9	Claranet Limited	X	AS8426
10	EDGEUNO S.A.S	X	AS7195
11	BR.Digital Telecom	X	AS14840
12	IP-Max SA	X	AS25091
13	meerfarbig GmbH & Co. KG	X	AS34549
14	Google LLC		AS15169
15	xTom GmbH	X	AS3214
16	INTERKVM HOST SRL	X	AS6204
17	SEACOM Limited	X	AS37100
18	F5 Networks SARL	X	AS35280
19	Zayo Infrastructure France SA	X	AS8218
20	IELO-LIAZO SERVICES SAS	X	AS29075
21	Peravix Group LTD	X	AS204208
22	Liquid Telecommunications Ltd	X	AS30844
23	Administracion Nacional de Telecomunicaciones	X	AS6057
24	Core-Backbone GmbH	X	AS33891
25	Zain Omantel International FZ-LLC		AS8529
26	Joseph Rawlings trading as Virtnet.bond		AS214022
27	atom86 BV	X	AS8455
28	Fiber Telecom S.p.A.	X	AS41327
29	Viewqwest Pte Ltd	X	AS18106
30	31173 Services AB	X	AS39351
31	MoeDove LLC		AS44324
32	Apple Inc.		AS714
33	CJSC RASCOM		AS20764
34	Wavenet Limited	X	AS5413
35	GlobalConnect AB	X	AS12552
36	Inter.link GmbH	X	AS5405
37	Stadtwerke Feldkirch	X	AS48362
38	Continent 8 LLC	X	AS14537
39	Axclusive	X	AS132337
40	Invesco Group Services, Inc.	X	AS14630
41	Inovare-Prim SRL	X	AS60602
42	Emirates Integrated Telecommunications Company PJSC	X	AS15802
43	Inferno Communications Ltd	X	AS207841
44	West Indian Ocean Cable Company	X	AS37662
45	Gentlent GmbH	X	AS52112
46	Patrizio Palumbo	X	AS211358
47	KDDI Europe Ltd	X	AS6894
48	WoodyNet, Inc.		AS42
49	Cloudflare, Inc.	X	AS13335
50	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
51	TECHIT.BE SRL		AS213241
52	ADISTA SAS	X	AS16347
53	Akamai International B.V.		AS20940
54	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
55	Connectivia S.r.l	X	AS207594
56	Vorboss Limited	X	AS25160
57	James Cahill	X	AS214749
58	Kanton Zug	X	AS51907
59	Virtual Technologies & Solutions	X	AS37721
60	Wifirst S.A.S.	X	AS52075
61	team.blue NV	X	AS48185
62	DSM (GB) Limited	X	AS48070
63	i3D.net B.V	X	AS49544
64	CustodianDC Limited	X	AS50300
65	Lewis Foster		AS215332
66	SG.GS	X	AS24482
67	IP TELECOM	X	AS61573
68	OVH SAS	X	AS16276
69	Rocket Fibre Ltd	X	AS8801
70	Convergenze S.p.A.	X	AS39120
71	Adam Goodenough	X	AS210667
72	MainStreaming SpA	X	AS51185
73	RISE	X	AS63927
74	Novelcomm LP	X	AS206735
75	Misaka Network, Inc.	X	AS917
76	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
77	Jude Gabriel Powell	X	AS213798
78	AFR-IX TELECOM S.A.	X	AS60171
79	Worldline IGSA SA	X	AS47957
80	Johannes Ernst		AS212895
81	Microsoft Corporation		AS8075
82	SARL IPSET	X	AS206014
83	Proximus Luxembourg S.A.	X	AS56665
84	PT. Internet Madju Abad Milenindo	X	AS45701
85	Kantonsschule Zug	X	AS34288
86	EX Networks Limited	X	AS35266
87	Anexia Cloud Solutions GmbH	X	AS42473
88	IT.Gate S.p.A.	X	AS12779
89	SIACOM JSC	X	AS198150
90	ParadoxNetworks Limited		AS52025
91	Hetzner Online GmbH	X	AS24940
92	Lancom Ltd.	X	AS199081
93	Tiggee LLC	X	AS16552
94	Jump Networks Ltd	X	AS8943
95	NOVACONN SRL	X	AS203462
96	Vodacom		AS36994
97	Cyprus Telecommunications Authority		AS6866
98	Broadband Hosting B.V.	X	AS20562
99	Unitas Global	X	AS1828
100	Sota Solutions Ltd.	X	AS31742
101	NetIX Communications JSC	X	AS57463
102	Blacknight Internet Solutions Limited	X	AS39122
103	PEER 1031 LLC	X	AS1031
104	IX Reach Ltd	X	AS4455
105	Cogent Communications, LLC	X	AS1239
106	Rackdog, LLC	X	AS398465
107	Data Communication Business Group		AS3462
108	Telkom SA Ltd.	X	AS5713
109	Converge ICT Solutions Inc.	X	AS17639
110	Tismi BV	X	AS62167
111	VeloxServ Communications Ltd	X	AS3170
112	Celeste SAS	X	AS34177
113	NetActuate, Inc	X	AS36236
114	Digiweb ltd		AS31122
115	Anycast Global Backbone	X	AS58511
116	Conor Lewis	X	AS214420
117	Global Network Management Inc	X	AS31500

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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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