ASN Lookup Tool

Cerulean Solutions Limited cerulean.co.uk GB GB 1 Routes

AS Data

AS51572

AS51572Cerulean Solutions Limited

AS Number 51572
AS Name CERULEAN
Organization Cerulean Solutions Limited(org-csl8-ripe)
Country GB
Website cerulean.co.uk
Number of IPv4 Routes 1
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2010-09-30

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Use ASN data for AS51572 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
46.16.80.0/21 2048

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 'AS51572'

% Abuse contact for 'AS51572' is 'abuse@cerulean.co.uk'

aut-num:        AS51572
as-name:        CERULEAN
org:            ORG-CSL8-RIPE
import:         from AS25577 accept ANY
import:         from AS174 accept ANY
export:         to AS25577 announce AS51572
export:         to AS174 announce AS51572
admin-c:        SP9246-RIPE
tech-c:         SP9247-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CERULEAN-MNTR
created:        2010-09-30T10:13:37Z
last-modified:  2025-10-24T17:33:19Z
source:         RIPE # Filtered

organisation:   ORG-CSL8-RIPE
org-name:       Cerulean Solutions Limited
country:        GB
org-type:       LIR
address:        120 Cockfosters Road
address:        EN4 0DZ
address:        Barnet
address:        UNITED KINGDOM
phone:          +443452306670
mnt-ref:        CERULEAN-MNTR
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CERULEAN-MNTR
abuse-c:        CSAC4-RIPE
created:        2010-04-15T14:19:20Z
last-modified:  2025-10-29T11:08:00Z
source:         RIPE # Filtered

person:         Sajit Patel
address:        Cerulean Solutions Limited
address:        120 Cockfosters Road
address:        Barnet
address:        EN4 0DZ
address:        GB
phone:          +443452306670
nic-hdl:        SP9246-RIPE
created:        2010-08-26T14:06:55Z
last-modified:  2025-10-29T11:10:03Z
source:         RIPE
mnt-by:         CERULEAN-MNTR

person:         Samir Patel
address:        Cerulean Solutions Limited
address:        120 Cockfosters Road
address:        Barnet
address:        EN4 0DZ
address:        GB
phone:          +443452306670
nic-hdl:        SP9247-RIPE
created:        2010-08-26T14:12:14Z
last-modified:  2025-10-29T11:10:49Z
source:         RIPE
mnt-by:         CERULEAN-MNTR

% This query was served by the RIPE Database Query Service version 1.121 (BUSA)

Parsed Whois Response

Peers

AS Number Description Country
AS25577 BE DC Connect UK Limited GB
AS174 Cogent Communications, LLC US
AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED GB

Upstreams

AS Number Description Country
AS174 Cogent Communications, LLC US
AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED GB

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Frequently Asked Questions

ASN AS51572 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51572 is listed under Cerulean Solutions 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.