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): 161
BGP Peers Observed (v4): 143
BGP Peers Observed (v6): 116

IPs Originated (v4): 72,704
AS Paths Observed (v4): 2,467
AS Paths Observed (v6): 1,230

Average AS Path Length (all): 3.694
Average AS Path Length (v4): 3.691
Average AS Path Length (v6): 3.702

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
AS137409	GSL Networks Pty LTD
AS215638	Cilix Limited
AS8426	Claranet Limited
AS14840	BR.Digital Telecom

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	BR.Digital Telecom	X	AS14840
9	Cilix Limited	X	AS215638
10	Angola Cables		AS37468
11	Exascale Ltd		AS61049
12	EDGEUNO S.A.S	X	AS7195
13	Core-Backbone GmbH	X	AS33891
14	iFog GmbH	X	AS34927
15	IP-Max SA	X	AS25091
16	Inter.link GmbH	X	AS5405
17	PJSC "Vimpelcom"		AS3216
18	atom86 BV	X	AS8455
19	meerfarbig GmbH & Co. KG	X	AS34549
20	F5 Networks SARL	X	AS35280
21	Broadband Hosting B.V.	X	AS20562
22	Zayo Infrastructure France SA	X	AS8218
23	Bharti Airtel Ltd		AS9498
24	GlobalConnect AB	X	AS12552
25	IELO-LIAZO SERVICES SAS	X	AS29075
26	xTom GmbH	X	AS3214
27	Flag Telecom UK Limited		AS15412
28	Blix Solutions AS		AS50304
29	Global Network Management Inc	X	AS31500
30	PEER 1031 LLC	X	AS1031
31	GGNET TELECOMUNICACOES LTDA		AS53062
32	SEACOM Limited	X	AS37100
33	Dimension Data		AS3741
34	Liquid Telecommunications Ltd	X	AS30844
35	Telkom SA Ltd.	X	AS5713
36	31173 Services AB	X	AS39351
37	Fiber Telecom S.p.A.	X	AS41327
38	Network Platforms (PTY) LTD		AS37497
39	MIGO TELECOM		AS263152
40	MTS PJSC		AS8359
41	VeloxServ Communications Ltd	X	AS3170
42	Administracion Nacional de Telecomunicaciones	X	AS6057
43	Celeste SAS	X	AS34177
44	WIND TRE S.P.A.		AS1267
45	euNetworks GmbH		AS13237
46	Blacknight Internet Solutions Limited	X	AS39122
47	DSM (GB) Limited	X	AS48070
48	West Indian Ocean Cable Company	X	AS37662
49	MTN SA		AS16637
50	Stadtwerke Feldkirch	X	AS48362
51	Viewqwest Pte Ltd	X	AS18106
52	SG.GS	X	AS24482
53	Emirates Integrated Telecommunications Company PJSC	X	AS15802
54	IT.Gate S.p.A.	X	AS12779
55	Rackdog, LLC	X	AS398465
56	Wifirst S.A.S.	X	AS52075
57	Primetel PLC		AS8544
58	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
59	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
60	Dyjix SAS		AS212815
61	LINK AMERICAN		AS1000
62	Tismi BV	X	AS62167
63	Sota Solutions Ltd.	X	AS31742
64	Wavenet Limited	X	AS5413
65	SARL IPSET	X	AS206014
66	M247 Europe SRL		AS9009
67	Misaka Network, Inc.	X	AS917
68	MainStreaming SpA	X	AS51185
69	team.blue NV	X	AS48185
70	Main one Cable Company Nigeria Limited		AS37282
71	Kanton Zug	X	AS51907
72	INFORBARRA TELECOM		AS263903
73	Claranet Limited	X	AS8426
74	Jump Networks Ltd	X	AS8943
75	KDDI Europe Ltd	X	AS6894
76	AFR-IX TELECOM S.A.	X	AS60171
77	TurkNet Iletisim Hizmetleri A.S.		AS12735
78	Adam Goodenough	X	AS210667
79	NetIX Communications JSC	X	AS57463
80	Novelcomm LP	X	AS206735
81	BSE Software GmbH		AS9044
82	Inferno Communications Ltd	X	AS207841
83	Lancom Ltd.	X	AS199081
84	NetActuate, Inc	X	AS36236
85	Patrizio Palumbo	X	AS211358
86	i3D.net B.V	X	AS49544
87	Public Internet Ltd		AS28792
88	OVH SAS	X	AS16276
89	Anexia Cloud Solutions GmbH	X	AS42473
90	Neterra Ltd.		AS34224
91	Hetzner Online GmbH	X	AS24940
92	Vorboss Limited	X	AS25160
93	SIACOM JSC	X	AS198150
94	ADISTA SAS	X	AS16347
95	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
96	Fibre Networks (Scotland) Limited		AS202076
97	CORIX NETWORKS		AS999
98	Convergenze S.p.A.	X	AS39120
99	IP TELECOM	X	AS61573
100	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
101	SNETTERTON TELECOM LIMITED		AS201060
102	Unitas Global	X	AS1828
103	PT. Internet Madju Abad Milenindo	X	AS45701
104	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
105	Cool Ideas Service Provider (Pty) Ltd		AS37680
106	CustodianDC Limited	X	AS50300
107	China Mobile International Limited		AS58453
108	IP ServerOne Solutions Sdn Bhd		AS45352
109	Inovare-Prim SRL	X	AS60602
110	PT. Cyberindo Aditama		AS38158
111			AS65102
112	Jude Gabriel Powell	X	AS213798
113	Axclusive	X	AS132337
114	Proximus Luxembourg S.A.	X	AS56665
115	Virtual Technologies & Solutions	X	AS37721
116	Continent 8 LLC	X	AS14537
117	Telehouse EAD		AS57344
118	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
119	Kantonsschule Zug	X	AS34288
120	Gentlent GmbH	X	AS52112
121	S3 Company Ltd		AS4849
122	Worldline IGSA SA	X	AS47957
123	Netia SA		AS12741
124	ARISTO NETWORKS LTD		AS216265
125	Cogent Communications, LLC	X	AS1239
126	Valve Corporation		AS32590
127	Converge ICT Solutions Inc.	X	AS17639
128	Conor Lewis	X	AS214420
129	Peravix Group LTD	X	AS204208
130	Ote SA (Hellenic Telecommunications Organisation)		AS12713
131	James Cahill	X	AS214749
132	Rocket Fibre Ltd	X	AS8801
133	Tiggee LLC	X	AS16552
134	Micron21 Datacentre Pty Ltd		AS38880
135	Australian Academic and Research Network (AARNet)		AS7575
136	Anycast Global Backbone	X	AS58511
137	Webmate Internet Services Ltd.		AS199204
138	NOVACONN SRL	X	AS203462
139	Ljosleidarinn ehf		AS12969
140	Connectivia S.r.l	X	AS207594
141	IX Reach Ltd	X	AS4455
142	Invesco Group Services, Inc.	X	AS14630
143	EX Networks Limited	X	AS35266

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

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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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