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AS51222 CMC MARKETS PLC | IPGeolocation.io

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

CMC MARKETS PLC colt.net

GB 2 Routes

AS Data

AS51222

AS51222 – CMC MARKETS PLC

AS Number	51222
AS Name	CMC-MARKETS-PLC
Organization	CMC MARKETS PLC (org-cmup1-ripe)
Country	GB
Website	colt.net
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-06-25

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
195.54.36.0/24	AS51222	CMC MARKETS PLC	CMC MARKETS PLC	256
195.54.37.0/24	AS51222	CMC MARKETS PLC	CMC MARKETS PLC	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 'AS50893 - AS51311'

as-block:       AS50893 - AS51311
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:        2024-12-10T14:54:30Z
last-modified:  2024-12-10T14:54:30Z
source:         RIPE

% Information related to 'AS51222'

% Abuse contact for 'AS51222' is 'abuse@colt.net'

aut-num:        AS51222
as-name:        CMC-MARKETS-PLC
org:            ORG-CMUP1-RIPE
import:         from AS8220 accept ANY
import:         from AS2914 accept ANY
export:         to AS8220 announce AS51222
export:         to AS2914 announce AS51222
admin-c:        JB7430-RIPE
tech-c:         JB7430-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         COLT-UK
created:        2010-06-25T09:51:07Z
last-modified:  2018-09-04T10:52:10Z
source:         RIPE # Filtered
sponsoring-org: ORG-CI9-RIPE

organisation:   ORG-CMUP1-RIPE
org-name:       CMC MARKETS PLC
country:        GB
org-type:       OTHER
address:        66 Prescot Street, London. E1 8HG.
abuse-c:        AR28697-RIPE
mnt-ref:        COLT-UK
mnt-by:         COLT-UK
created:        2007-12-10T13:10:27Z
last-modified:  2022-12-01T16:20:43Z
source:         RIPE # Filtered

person:         JOHN BLANDEN
address:        CMC MARKETS PLC
address:        133 HOUNDSDITCH
address:        LONDON,EC3A 7AJ,UNITED KINGDOM
phone:          +44 02030038901
nic-hdl:        JB7430-RIPE
mnt-by:         COLT-UK
created:        2010-05-24T09:39:29Z
last-modified:  2010-05-24T09:39:29Z
source:         RIPE

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS50893 - AS51311",
    "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" : "2024-12-10",
    "date_updated" : "2024-12-10",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51222",
    "as_name" : "CMC-MARKETS-PLC",
    "status" : "ASSIGNED",
    "import" : [ "from AS8220 accept ANY", "from AS2914 accept ANY" ],
    "export" : [ "to AS8220 announce AS51222", "to AS2914 announce AS51222" ],
    "organization" : "ORG-CMUP1-RIPE",
    "sponsoring_organization" : "ORG-CI9-RIPE",
    "admin_contacts" : [ "JB7430-RIPE" ],
    "tech_contacts" : [ "JB7430-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "COLT-UK" ],
    "date_created" : "2010-06-25",
    "date_updated" : "2018-09-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-CMUP1-RIPE",
    "name" : "CMC MARKETS PLC",
    "type" : "OTHER",
    "address" : [ "66 Prescot Street, London. E1 8HG." ],
    "street" : "Prescot Street",
    "city" : "London.",
    "zip_code" : "E1 8HG",
    "country" : [ "GB" ],
    "abuse_contacts" : [ "AR28697-RIPE" ],
    "mnt_ref" : [ "COLT-UK" ],
    "mnt_by" : [ "COLT-UK" ],
    "date_created" : "2007-12-10",
    "date_updated" : "2022-12-01",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "JB7430-RIPE",
    "name" : "JOHN BLANDEN",
    "address" : [ "CMC MARKETS PLC", "133 HOUNDSDITCH", "LONDON,EC3A 7AJ,UNITED KINGDOM" ],
    "street" : "Houndsditch",
    "city" : "London",
    "zip_code" : "EC3A 7AJ",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+44 02030038901" ],
    "mnt_by" : [ "COLT-UK" ],
    "date_created" : "2010-05-24",
    "date_updated" : "2010-05-24",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ],
  "technical_contacts" : [ {
    "handle" : "JB7430-RIPE",
    "name" : "JOHN BLANDEN",
    "address" : [ "CMC MARKETS PLC", "133 HOUNDSDITCH", "LONDON,EC3A 7AJ,UNITED KINGDOM" ],
    "street" : "Houndsditch",
    "city" : "London",
    "zip_code" : "EC3A 7AJ",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+44 02030038901" ],
    "mnt_by" : [ "COLT-UK" ],
    "date_created" : "2010-05-24",
    "date_updated" : "2010-05-24",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ]
}

Peers

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS2914	NTT America, Inc.	US
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS32787	Akamai Technologies, Inc.	US

Frequently Asked Questions

What is ASN AS51222?

ASN AS51222 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51222?

AS51222 is listed under CMC MARKETS PLC.

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.