ASN Lookup Tool

ICUK Computing Services Limited interdns.co.uk GB GB 62 Routes

AS Data

AS51561

AS51561ICUK Computing Services Limited

AS Number 51561
AS Name AS-ICUK
Organization ICUK Computing Services Limited(org-icsl4-ripe)
Country GB
Website interdns.co.uk
Number of IPv4 Routes 60
Number of IPv6 Routes 2
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2010-09-28

ASN Intelligence API for production workflows

Use ASN data for AS51561 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
188.240.191.0/24 256
46.33.128.0/24 256
46.102.192.0/19 8192
138.124.142.0/24 256
5.133.170.0/23 512
5.133.168.0/23 512
80.95.192.0/20 4096
138.124.128.0/24 256
193.161.9.0/24 256
2a00:b900::/32 ~79×10²⁷

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51561'

% Abuse contact for 'AS51561' is 'abuse@interdns.co.uk'

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:        IRA19-RIPE
tech-c:         IRA19-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

organisation:   ORG-ICSL4-RIPE
org-name:       ICUK Computing Services Limited
country:        GB
org-type:       LIR
address:        Suite 5, Metropolitan House, 38-40 High Street
address:        CR0 1YB
address:        Croydon
address:        UNITED KINGDOM
phone:          +443450099175
admin-c:        TO691-RIPE
admin-c:        LC6988-RIPE
abuse-c:        IRA19-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ICUK-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ICUK-MNT
created:        2010-07-07T12:52:32Z
last-modified:  2020-12-16T13:11:05Z
source:         RIPE # Filtered

role:           ICUK Ripe Administrator
address:        Suite 5, Metropolitan House, 38-40 High Street, Croydon, CR0 1YB
admin-c:        LC6988-RIPE
tech-c:         TO691-RIPE
nic-hdl:        IRA19-RIPE
mnt-by:         ICUK-MNT
created:        2010-09-09T13:50:17Z
last-modified:  2016-08-16T09:03:06Z
source:         RIPE # Filtered
abuse-mailbox:  abuse@interdns.co.uk

% This query was served by the RIPE Database Query Service version 1.121.2 (DEXTER)

Parsed Whois Response

Peers

AS Number Description Country
AS12552 GlobalConnect AB SE
AS28792 Public Internet Ltd GB
AS35266 EX Networks Limited GB
AS60602 Inovare-Prim SRL MD
AS38880 Micron21 Datacentre Pty Ltd AU
AS199204 Webmate Internet Services Ltd. GB
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS267256 ONETIS TECNOLOGIA LTDA BR

Upstreams

AS Number Description Country
AS21215 UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd RS
AS12552 GlobalConnect AB SE
AS7195 EDGEUNO S.A.S CO
AS34927 iFog GmbH CH
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS25091 IP Max SA CH
AS6204 ZET.NET IP Transit RO
AS48362 Stadtwerke Feldkirch AT
AS2914 NTT America, Inc. US

Downstreams

AS Number Description Country
AS199204 Webmate Internet Services Ltd. GB
AS201060 SNETTERTON TELECOM LIMITED GB

Ready to get started?Get Started with IP Intelligence API Today

CTA Illustration

Frequently Asked Questions

ASN AS51561 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51561 is listed under ICUK Computing Services Limited.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.