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AS41936 Colt International Ltd

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Colt International Ltd coltgroup.com

GB 1 Routes

AS Data

AS41936

AS41936 – Colt International Ltd

AS Number	41936
AS Name	COLT-GROUP
Organization	Colt International Ltd (org-ca821-ripe)
Country	GB
Website	coltgroup.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2006-11-20

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Use ASN data for AS41936 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
157.173.224.0/19	AS41936	Colt International Ltd	Colt Group Limited	8192

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 'AS40960 - AS42171'

as-block:       AS40960 - AS42171
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:        2024-07-22T14:14:32Z
last-modified:  2024-07-22T14:14:32Z
source:         RIPE

% Information related to 'AS41936'

% Abuse contact for 'AS41936' is 'abuse@coltgroup.com'

aut-num:        AS41936
as-name:        COLT-GROUP
import:         from AS174 accept ANY
export:         to AS174 announce AS41936
org:            ORG-CA821-RIPE
admin-c:        FM26709-RIPE
tech-c:         MH7914-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         COLT-GROUP-MNT
created:        2006-11-20T16:34:07Z
last-modified:  2026-07-14T14:44:22Z
source:         RIPE
sponsoring-org: ORG-GATI1-RIPE

organisation:   ORG-CA821-RIPE
org-name:       Colt International Ltd
country:        GB
reg-nr:         01222993
org-type:       OTHER
address:        Colt House, Bedford Road, Petersfield, England, GU32 3QF
phone:          +44-23-92451111
abuse-c:        CA12329-RIPE
admin-c:        FM26709-RIPE
tech-c:         MH7914-RIPE
mnt-ref:        COLT-GROUP-MNT
mnt-by:         COLT-GROUP-MNT
created:        2006-11-15T13:12:15Z
last-modified:  2026-07-14T14:49:57Z
source:         RIPE # Filtered

person:         Fergal Moore
nic-hdl:        FM26709-RIPE
created:        2026-07-14T09:18:58Z
last-modified:  2026-07-14T09:18:58Z
source:         RIPE # Filtered
mnt-by:         COLT-GROUP-MNT

person:         Marco Hendricks
address:        Colt International GmbH
address:        Briener Strasse 186, 47533 Kleve, Germany
nic-hdl:        MH7914-RIPE
mnt-by:         COLT-GROUP-MNT
created:        2010-06-01T14:44:52Z
last-modified:  2026-07-14T09:20:23Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS40960 - AS42171",
    "description" : [ "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" ],
    "date_created" : "2024-07-22",
    "date_updated" : "2024-07-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS41936",
    "as_name" : "COLT-GROUP",
    "status" : "ASSIGNED",
    "import" : [ "from AS174 accept ANY" ],
    "export" : [ "to AS174 announce AS41936" ],
    "organization" : "ORG-CA821-RIPE",
    "sponsoring_organization" : "ORG-GATI1-RIPE",
    "admin_contacts" : [ "FM26709-RIPE" ],
    "tech_contacts" : [ "MH7914-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "COLT-GROUP-MNT" ],
    "date_created" : "2006-11-20",
    "date_updated" : "2026-07-14",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-CA821-RIPE",
    "name" : "Colt International Ltd",
    "type" : "OTHER",
    "address" : [ "Colt House, Bedford Road, Petersfield, England, GU32 3QF" ],
    "street" : "Bedford Road",
    "city" : "Petersfield",
    "state" : "ENGLAND",
    "zip_code" : "GU32 3QF",
    "country" : [ "GB" ],
    "phone" : [ "+44-23-92451111" ],
    "admin_contacts" : [ "FM26709-RIPE" ],
    "tech_contacts" : [ "MH7914-RIPE" ],
    "abuse_contacts" : [ "CA12329-RIPE" ],
    "mnt_ref" : [ "COLT-GROUP-MNT" ],
    "mnt_by" : [ "COLT-GROUP-MNT" ],
    "date_created" : "2006-11-15",
    "date_updated" : "2026-07-14",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "FM26709-RIPE",
    "name" : "Fergal Moore",
    "mnt_by" : [ "COLT-GROUP-MNT" ],
    "date_created" : "2026-07-14",
    "date_updated" : "2026-07-14",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "MH7914-RIPE",
    "name" : "Marco Hendricks",
    "address" : [ "Colt International GmbH", "Briener Strasse 186, 47533 Kleve, Germany" ],
    "street" : "Briener Strasse",
    "city" : "Kleve",
    "zip_code" : "47533",
    "country" : "GERMANY",
    "mnt_by" : [ "COLT-GROUP-MNT" ],
    "date_created" : "2010-06-01",
    "date_updated" : "2026-07-14",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS41936?

ASN AS41936 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS41936?

AS41936 is listed under Colt International Ltd.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.