ASN Lookup Tool

OpenMarket Limited openmarket.com GB GB 0 Routes

AS Data

AS42543

AS42543 – OpenMarket Limited

AS Number 42543
AS Name OpenMarket
Organization OpenMarket Limited(org-mtl3-ripe)
Country GB
Website openmarket.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2015-08-19

ASN Intelligence API for production workflows

Use ASN data for AS42543 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

Get ASN API Key ASN API Docs

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 'AS42383 - AS42959'

as-block:       AS42383 - AS42959
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:        2021-08-19T06:50:17Z
last-modified:  2021-08-19T06:50:17Z
source:         RIPE

% Information related to 'AS42543'

% Abuse contact for 'AS42543' is 'ops-support@openmarket.com'

aut-num:        AS42543
as-name:        OpenMarket
org:            ORG-MTL3-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS42543
import:         from AS3356 accept ANY
export:         to AS3356 announce AS42543
admin-c:        CW867-RIPE
tech-c:         CW867-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MXTELECOM-MNT
created:        2015-08-19T08:17:35Z
last-modified:  2018-09-04T11:38:55Z
source:         RIPE

organisation:   ORG-MTL3-RIPE
org-name:       OpenMarket Limited
country:        GB
org-type:       LIR
address:        Fifth Floor, 35-38 New Bridge Street
address:        EC4V 6BW
address:        London
address:        UNITED KINGDOM
phone:          +385994994687
fax-no:         +442030955080
admin-c:        CW867-RIPE
admin-c:        OO1170-RIPE
admin-c:        PP19767-RIPE
mnt-ref:        MXTELECOM-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MXTELECOM-MNT
abuse-c:        OO1170-RIPE
created:        2004-04-17T12:18:35Z
last-modified:  2026-03-03T13:39:59Z
source:         RIPE # Filtered

person:         Chris Wilson
address:        OpenMarket Ltd 389 Chiswick High Road Chiswick London, W4 4AL UK
phone:          +44 845 666 7778
nic-hdl:        CW867-RIPE
created:        2004-04-15T14:23:29Z
last-modified:  2012-04-10T18:06:20Z
source:         RIPE # Filtered
mnt-by:         MXTELECOM-MNT

% This query was served by the RIPE Database Query Service version 1.121.1 (DEXTER)

Parsed Whois Response

Peers

AS Number Description Country
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US

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

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS42543 is an Autonomous System Number used to identify a network for BGP internet routing.
AS42543 is listed under OpenMarket 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.