ASN Lookup Tool

Contingency Networks Ltd contingencynetworks.co.uk GB GB 7 Routes

AS Data

AS21339

AS21339Contingency Networks Ltd

AS Number 21339
AS Name ContingencyNetworks
Organization Contingency Networks Ltd (org-cnl16-ripe)
Country GB
Website contingencynetworks.co.uk
Number of IPv4 Routes 7
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2012-09-06

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Use ASN data for AS21339 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
45.143.122.0/23 512
193.187.99.0/24 256
45.143.120.0/23 512
176.124.68.0/23 512
158.94.215.0/24 256
185.61.164.0/22 1024
77.93.143.0/24 256

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 'AS21281 - AS21390'

as-block:       AS21281 - AS21390
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:        2018-11-22T15:27:28Z
last-modified:  2018-11-22T15:27:28Z
source:         RIPE

% Information related to 'AS21339'

% Abuse contact for 'AS21339' is 'jon@contingencynetworks.co.uk'

aut-num:        AS21339
as-name:        ContingencyNetworks
org:            ORG-CNL16-RIPE
import:         from AS8468 accept ANY
export:         to AS8468 announce AS21339
import:         from AS43620 accept ANY
export:         to AS43620 announce AS21339
import:         from AS43531 accept ANY
export:         to AS43531 announce AS21339
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-CONTINGENCY
import:         from AS60945 accept ANY
import:         from AS8550 accept ANY
import:         from AS3170 accept ANY
export:         to AS8550 announce AS21339
export:         to AS60945 announce AS21339
export:         to AS-ANY announce AS21339:AS-ALL
export:         to AS3170 announce AS21339
import:         from AS57155 accept ANY
export:         to AS57155 announce AS21339
admin-c:        JR5606-RIPE
tech-c:         JR5606-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CNL-MAINT
created:        2012-09-06T12:07:32Z
last-modified:  2021-06-22T15:38:36Z
source:         RIPE

organisation:   ORG-CNL16-RIPE
org-name:       Contingency Networks Ltd
country:        GB
reg-nr:         06692252
org-type:       LIR
address:        71-75 Shelton Street, Covent Garden
address:        WC2H 9JQ
address:        London
address:        UNITED KINGDOM
phone:          +447974430402
abuse-c:        AC28397-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CNL-MAINT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         cnl-maint
created:        2014-06-16T12:37:51Z
last-modified:  2026-05-13T07:43:21Z
source:         RIPE # Filtered

person:         Jon Richardson
address:        Unit F
address:        Tollgate Business Centre
address:        Tollgate Industrial Estate
address:        Stafford. ST16 3HS
phone:          +441785 878022
nic-hdl:        JR5606-RIPE
mnt-by:         cnl-maint
created:        2012-08-28T12:26:26Z
last-modified:  2013-06-28T09:34:20Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (DEXTER)

Parsed Whois Response

Peers

AS Number Description Country
AS214749 James Cahill GB
AS199081 Lancom Ltd. GR
AS28792 Public Internet Ltd GB
AS48185 team.blue NV BE
AS39351 31173 Services AB SE
AS35266 EX Networks Limited GB
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS60602 Inovare-Prim SRL MD
AS31742 Sotaconnect Network GB
AS214420 Conor Lewis GB
AS22356 Durand do Brasil Ltda BR
AS198150 SIACOM JSC GE
AS9498 Bharti Airtel Ltd IN
AS3170 VeloxServ Communications Ltd GB
AS25160 Vorboss Limited GB
AS210667 Adam Goodenough GB
AS34224 Neterra Ltd. BG
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS206735 Novelcomm LP GR
AS14840 BR.Digital Telecom BR
AS57463 NetIX Communications JSC BG
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS8468 ENTANET International Limited GB
AS39122 Blacknight Internet Solutions Limited IE
AS8801 Rocket Fibre Ltd GB
AS213798 Jude Gabriel Powell GB
AS6204 INTERKVM HOST SRL RO
AS212483 LEVEL EIGHTY SIX COMMUNICATIONS LTD GB
AS262355 VSX Networks BR
AS211358 Patrizio Palumbo IT
AS50300 CustodianDC Limited GB
AS917 Misaka Network, Inc. US
AS24482 SG.GS SG
AS12741 Netia SA PL
AS34927 iFog GmbH CH
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD GB
AS31742 Sota Solutions Ltd. GB
AS52025 ParadoxNetworks Limited GB
AS36236 NetActuate, Inc US
AS204208 Peravix Group LTD GB
AS4455 IX Reach Ltd GB
AS16276 OVH SAS FR
AS8218 operated Upstreamnet gmbh FR
AS8218 Zayo Infrastructure France SA FR
AS61049 Exascale Ltd GB
AS48070 DSM GB Limited GB
AS57155 Contingency Networks Ltd GB
AS39120 Convergenze S.p.A. IT
AS52075 Wifirst S.A.S. FR
AS263444 Open X Tecnologia Ltda BR
AS6894 KDDI Europe Ltd GB
AS43620 Digital Space Group Limited GB
AS43531 BSO Network Solutions SAS FR
AS48070 DSM (GB) Limited GB
AS20562 Broadband Hosting B.V. NL
AS52112 Gentlent GmbH DE
AS8550 LONAP Ltd GB
AS9009 M247 Europe SRL RO
AS215638 Cilix Limited GB

Upstreams

AS Number Description Country
AS14840 BR.Digital Telecom BR
AS34927 iFog GmbH CH
AS39351 31173 Services AB SE
AS263444 Open X Tecnologia Ltda BR
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS22356 Durand do Brasil Ltda BR
AS3170 VeloxServ Communications Ltd GB
AS8218 operated Upstreamnet gmbh FR
AS4455 IX Reach Ltd GB
AS20562 Broadband Hosting B.V. NL
AS9009 M247 Europe SRL RO
AS215638 Cilix Limited GB
AS137409 GSL Networks Pty LTD AU

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Frequently Asked Questions

ASN AS21339 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21339 is listed under Contingency Networks Ltd.
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.