COLT Technology Services Group Limited

IPv4 IPv6
Networks by country: United Kingdom United Kingdom (60), France France (42), Spain Spain (38), Germany Germany (33), Belgium Belgium (13), Italy Italy (8), Netherlands Netherlands (7), Switzerland Switzerland (6), Singapore Singapore (6), Austria Austria (5), Denmark Denmark (3), Hong Kong Hong Kong (3), Japan Japan (2), Sweden Sweden (2), Portugal Portugal (2), Luxembourg Luxembourg (2), Ireland Ireland (1), Australia Australia (1), United States United States (1)

Assigned AS: AS12640, AS15404, AS8220, AS12761, AS8372, AS12755, AS12878, AS9126, AS6675
Updated: 01 November 2022

We found 231 IPv4 networks operated by this organization.
The first 100 networks are displayed.
Results sorted by network size.

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Germany COLT Technology Services Group Limited
UK-COLT-20010102

CIDR: 217.110.0.0/15
IP Range: 217.110.0.0 - 217.111.255.255
Block size: 131,072

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United Kingdom COLT Technology Services Group Limited
UK-COLT-20000602

CIDR: 213.86.0.0/16
IP Range: 213.86.0.0 - 213.86.255.255
Block size: 65,536

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France COLT Technology Services Group Limited
UK-COLT-20001017

CIDR: 62.23.0.0/16
IP Range: 62.23.0.0 - 62.23.255.255
Block size: 65,536

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United Kingdom COLT Technology Services Group Limited
UK-COLT-20030328

CIDR: 80.169.0.0/16
IP Range: 80.169.0.0 - 80.169.255.255
Block size: 65,536

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France COLT Technology Services Group Limited
UK-COLT-20040723

CIDR: 84.14.0.0/16
IP Range: 84.14.0.0 - 84.14.255.255
Block size: 65,536

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Germany COLT Technology Services Group Limited
UK-COLT-990503

CIDR: 62.96.0.0/16
IP Range: 62.96.0.0 - 62.96.255.255
Block size: 65,536

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Germany COLT Technology Services Group Limited
UK-COLT-20000107

CIDR: 213.61.0.0/16
IP Range: 213.61.0.0 - 213.61.255.255
Block size: 65,536

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United Kingdom COLT Technology Services Group Limited
COLT-TRANSFER

CIDR: 57.133.0.0/16
IP Range: 57.133.0.0 - 57.133.255.255
Block size: 65,536

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France COLT Technology Services Group Limited
UK-COLT-960610

CIDR: 195.68.0.0/17
IP Range: 195.68.0.0 - 195.68.127.255
Block size: 32,768

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France COLT Technology Services Group Limited
UK-COLT-991129

CIDR: 213.41.0.0/17
IP Range: 213.41.0.0 - 213.41.127.255
Block size: 32,768

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United Kingdom COLT Technology Services Group Limited
UK-COLT-990423

CIDR: 212.161.0.0/17
IP Range: 212.161.0.0 - 212.161.127.255
Block size: 32,768

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Italy COLT Technology Services Group Limited
UK-COLT-20000918

CIDR: 213.215.128.0/17
IP Range: 213.215.128.0 - 213.215.255.255
Block size: 32,768

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Spain COLT Technology Services Group Limited
UK-COLT-20021223

CIDR: 213.27.128.0/17
IP Range: 213.27.128.0 - 213.27.255.255
Block size: 32,768

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United Kingdom COLT Technology Services Group Limited
UK-COLT-980422

CIDR: 212.36.128.0/18
IP Range: 212.36.128.0 - 212.36.191.255
Block size: 16,384

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Switzerland COLT Technology Services Group Limited
UK-COLT-19991018

CIDR: 212.203.64.0/18
IP Range: 212.203.64.0 - 212.203.127.255
Block size: 16,384

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Belgium COLT Technology Services Group Limited
UK-COLT-20030319

CIDR: 213.246.192.0/18
IP Range: 213.246.192.0 - 213.246.255.255
Block size: 16,384

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Italy COLT Technology Services Group Limited
UK-COLT-20050704

CIDR: 87.241.0.0/18
IP Range: 87.241.0.0 - 87.241.63.255
Block size: 16,384

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Netherlands COLT Technology Services Group Limited
UK-COLT-20001003

CIDR: 212.123.192.0/18
IP Range: 212.123.192.0 - 212.123.255.255
Block size: 16,384

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Netherlands COLT Technology Services Group Limited
UK-COLT-20021112

CIDR: 213.208.192.0/18
IP Range: 213.208.192.0 - 213.208.255.255
Block size: 16,384

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Spain COLT Technology Services Group Limited
UK-COLT-20010716

CIDR: 62.97.64.0/18
IP Range: 62.97.64.0 - 62.97.127.255
Block size: 16,384

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Spain COLT Technology Services Group Limited
UK-COLT-20000628

CIDR: 213.229.128.0/18
IP Range: 213.229.128.0 - 213.229.191.255
Block size: 16,384

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United Kingdom COLT Technology Services Group Limited
UK-COLT-19940210

CIDR: 193.116.128.0/18
IP Range: 193.116.128.0 - 193.116.191.255
Block size: 16,384

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United Kingdom COLT Technology Services Group Limited
UK-COLT-20070815

CIDR: 78.143.0.0/18
IP Range: 78.143.0.0 - 78.143.63.255
Block size: 16,384

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Switzerland COLT Technology Services Group Limited
UK-COLT-19991018

CIDR: 212.23.224.0/19
IP Range: 212.23.224.0 - 212.23.255.255
Block size: 8,192

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Sweden COLT Technology Services Group Limited
UK-COLT-20000629

CIDR: 62.84.192.0/19
IP Range: 62.84.192.0 - 62.84.223.255
Block size: 8,192

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Italy COLT Technology Services Group Limited
UK-COLT-991021

CIDR: 212.31.224.0/19
IP Range: 212.31.224.0 - 212.31.255.255
Block size: 8,192

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Switzerland COLT Technology Services Group Limited
UK-COLT-20010607

CIDR: 213.173.160.0/19
IP Range: 213.173.160.0 - 213.173.191.255
Block size: 8,192

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United Kingdom COLT Technology Services Group Limited
UK-COLT-990118

CIDR: 212.74.64.0/19
IP Range: 212.74.64.0 - 212.74.95.255
Block size: 8,192

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Belgium COLT Technology Services Group Limited
UK-COLT-990909

CIDR: 212.35.96.0/19
IP Range: 212.35.96.0 - 212.35.127.255
Block size: 8,192

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Austria COLT Technology Services Group Limited
UK-COLT-20010906

CIDR: 213.185.160.0/19
IP Range: 213.185.160.0 - 213.185.191.255
Block size: 8,192

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United Kingdom COLT Technology Services Group Limited
UK-COLT-970224

CIDR: 195.110.64.0/19
IP Range: 195.110.64.0 - 195.110.95.255
Block size: 8,192

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Austria COLT Technology Services Group Limited
UK-COLT-991210

CIDR: 213.164.0.0/19
IP Range: 213.164.0.0 - 213.164.31.255
Block size: 8,192

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Italy COLT Technology Services Group Limited
UK-COLT-20010920

CIDR: 62.152.96.0/19
IP Range: 62.152.96.0 - 62.152.127.255
Block size: 8,192

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Belgium COLT Technology Services Group Limited
UK-COLT-20011029

CIDR: 62.72.96.0/19
IP Range: 62.72.96.0 - 62.72.127.255
Block size: 8,192

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Denmark COLT Technology Services Group Limited
UK-COLT-20010713

CIDR: 80.80.0.0/19
IP Range: 80.80.0.0 - 80.80.31.255
Block size: 8,192

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Italy COLT Technology Services Group Limited
UK-COLT-20031210

CIDR: 82.112.192.0/19
IP Range: 82.112.192.0 - 82.112.223.255
Block size: 8,192

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Denmark COLT Technology Services Group Limited
UK-COLT-20040716

CIDR: 84.16.160.0/19
IP Range: 84.16.160.0 - 84.16.191.255
Block size: 8,192

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Portugal COLT Technology Services Group Limited
UK-COLT-20011205

CIDR: 80.251.160.0/19
IP Range: 80.251.160.0 - 80.251.191.255
Block size: 8,192

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Portugal COLT Technology Services Group Limited
UK-COLT-20041028

CIDR: 85.88.128.0/19
IP Range: 85.88.128.0 - 85.88.159.255
Block size: 8,192

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Germany COLT Technology Services Group Limited
UK-COLT-981228

CIDR: 212.121.128.0/19
IP Range: 212.121.128.0 - 212.121.159.255
Block size: 8,192

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Netherlands COLT Technology Services Group Limited
UK-COLT-990715

CIDR: 212.78.160.0/19
IP Range: 212.78.160.0 - 212.78.191.255
Block size: 8,192

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Spain COLT Technology Services Group Limited
UK-COLT-990812

CIDR: 212.0.96.0/19
IP Range: 212.0.96.0 - 212.0.127.255
Block size: 8,192

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Switzerland COLT Technology Services Group Limited
UK-COLT-20060704

CIDR: 62.192.0.0/19
IP Range: 62.192.0.0 - 62.192.31.255
Block size: 8,192

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United States COLT Technology Services Group Limited
UK-COLT-20101220

CIDR: 46.248.128.0/19
IP Range: 46.248.128.0 - 46.248.159.255
Block size: 8,192

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United Kingdom COLT Technology Services Group Limited
UK-COLT-19940210

CIDR: 193.118.224.0/19
IP Range: 193.118.224.0 - 193.118.255.255
Block size: 8,192

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United Kingdom COLT Technology Services Group Limited
UK-COLT-19940210

CIDR: 193.114.160.0/19
IP Range: 193.114.160.0 - 193.114.191.255
Block size: 8,192

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United Kingdom COLT Technology Services Group Limited
UK-COLT-20070810

CIDR: 78.156.64.0/19
IP Range: 78.156.64.0 - 78.156.95.255
Block size: 8,192

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United Kingdom COLT Technology Services Group Limited
UK-COLT-20070817

CIDR: 118.67.224.0/19
IP Range: 118.67.224.0 - 118.67.255.255
Block size: 8,192

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Japan COLT Technology Services Group Limited
UK-COLT-19950419

CIDR: 193.82.32.0/19
IP Range: 193.82.32.0 - 193.82.63.255
Block size: 8,192

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United Kingdom COLT Technology Services Group Limited
UK-COLT-19940210

CIDR: N/A
IP Range: 193.118.160.0 - 193.118.190.255
Block size: 7,936

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United Kingdom COLT Technology Services Group Limited
UK-COLT-20140310

CIDR: N/A
IP Range: 157.120.236.0 - 157.120.255.255
Block size: 5,120

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Ireland COLT Technology Services Group Limited
UK-COLT-20010409

CIDR: 217.173.96.0/20
IP Range: 217.173.96.0 - 217.173.111.255
Block size: 4,096

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Singapore COLT Technology Services Group Limited
UK-COLT-20130709

CIDR: 157.120.240.0/20
IP Range: 157.120.240.0 - 157.120.255.255
Block size: 4,096

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Singapore COLT Technology Services Group Limited
UK-COLT-19950419

CIDR: 193.82.32.0/20
IP Range: 193.82.32.0 - 193.82.47.255
Block size: 4,096

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Japan COLT Technology Services Group Limited
UK-COLT-19950419

CIDR: 193.82.48.0/20
IP Range: 193.82.48.0 - 193.82.63.255
Block size: 4,096

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Singapore COLT Technology Services Group Limited
UK-COLT-19951221

CIDR: N/A
IP Range: 194.223.128.0 - 194.223.139.255
Block size: 3,072

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Hong Kong COLT Technology Services Group Limited
UK-COLT-20140310

CIDR: 157.120.224.0/21
IP Range: 157.120.224.0 - 157.120.231.255
Block size: 2,048

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Singapore COLT Technology Services Group Limited
UK-COLT-19951221

CIDR: 194.223.128.0/21
IP Range: 194.223.128.0 - 194.223.135.255
Block size: 2,048

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United Kingdom Colt EU Infrastructure
COLT-EU-INTERNAL

CIDR: 217.111.164.0/22
IP Range: 217.111.164.0 - 217.111.167.255
Block size: 1,024

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United Kingdom COLT Technology Services Group Limited
UK-COLT-20180503

CIDR: 193.93.80.0/22
IP Range: 193.93.80.0 - 193.93.83.255
Block size: 1,024

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Australia COLT Technology Services Group Limited
AU-COLT-20140310

CIDR: 157.120.236.0/22
IP Range: 157.120.236.0 - 157.120.239.255
Block size: 1,024

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Germany Colt FRA Leased
DE-COLT-FRA-162

CIDR: 62.96.4.0/22
IP Range: 62.96.4.0 - 62.96.7.255
Block size: 1,024

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Singapore COLT Technology Services Group Limited
UK-COLT-19951221

CIDR: 194.223.136.0/22
IP Range: 194.223.136.0 - 194.223.139.255
Block size: 1,024

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United Kingdom COLT Technology Services Group Limited
COLT-INTERNAL

CIDR: 193.188.132.0/23
IP Range: 193.188.132.0 - 193.188.133.255
Block size: 512

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United Kingdom COLT Backbone Addresses in FR and NL
COLT-BB-FR

CIDR: 212.74.66.0/23
IP Range: 212.74.66.0 - 212.74.67.255
Block size: 512

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United Kingdom COLT Backbone Addresses in UK and de
COLT-BB-UK-DE

CIDR: 212.74.64.0/23
IP Range: 212.74.64.0 - 212.74.65.255
Block size: 512

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Germany Colt de FRA DSL WAN
COLT-DE-FRA-WAN

CIDR: 217.111.126.0/23
IP Range: 217.111.126.0 - 217.111.127.255
Block size: 512

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Denmark Colt CMS Infrastructure
COLT-DK-CMS-INFRASTRUCTURE-001

CIDR: 217.111.212.0/23
IP Range: 217.111.212.0 - 217.111.213.255
Block size: 512

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Belgium COLT Technology Services Group Limited
BE-COLT-132

CIDR: 217.111.248.0/23
IP Range: 217.111.248.0 - 217.111.249.255
Block size: 512

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Germany Colt FRA Leased
DE-COLT-FRA-163

CIDR: 62.96.134.0/23
IP Range: 62.96.134.0 - 62.96.135.255
Block size: 512

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Spain VPN
VPN1

CIDR: 185.65.156.0/23
IP Range: 185.65.156.0 - 185.65.157.255
Block size: 512

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Spain VPN
VPN2

CIDR: 185.65.158.0/23
IP Range: 185.65.158.0 - 185.65.159.255
Block size: 512

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United Kingdom Colt DCA Customer Address Pack
COLT-GB-DCA-01

CIDR: 212.161.92.0/24
IP Range: 212.161.92.0 - 212.161.92.255
Block size: 256

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France Tls-Leased
COLT-FR-TLS-WAN

CIDR: 213.41.70.0/24
IP Range: 213.41.70.0 - 213.41.70.255
Block size: 256

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France Tls-Leased
COLT-FR-TLS-WAN

CIDR: 213.41.76.0/24
IP Range: 213.41.76.0 - 213.41.76.255
Block size: 256

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United Kingdom COLT Backbone Addresses in CH
COLT-BB-CH

CIDR: 212.74.70.0/24
IP Range: 212.74.70.0 - 212.74.70.255
Block size: 256

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United Kingdom COLT Backbone Addresses in ES
COLT-BB-ES

CIDR: 212.74.69.0/24
IP Range: 212.74.69.0 - 212.74.69.255
Block size: 256

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United Kingdom COLT Backbone Addresses in BE
COLT-BB-BE

CIDR: 212.74.68.0/24
IP Range: 212.74.68.0 - 212.74.68.255
Block size: 256

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United Kingdom COLT Backbone Addresses in SE
COLT-BB-SE

CIDR: 212.74.73.0/24
IP Range: 212.74.73.0 - 212.74.73.255
Block size: 256

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United Kingdom COLT Backbone Addresses in at
COLT-BB-AT

CIDR: 212.74.72.0/24
IP Range: 212.74.72.0 - 212.74.72.255
Block size: 256

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United Kingdom COLT Backbone Addresses in IT
COLT-BB-IT

CIDR: 212.74.71.0/24
IP Range: 212.74.71.0 - 212.74.71.255
Block size: 256

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Spain ADSL Colt
COLT-ES-MAD-009

CIDR: 213.229.143.0/24
IP Range: 213.229.143.0 - 213.229.143.255
Block size: 256

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United Kingdom COLT Backbone Addresses in US
COLT-BB-US

CIDR: 212.74.74.0/24
IP Range: 212.74.74.0 - 212.74.74.255
Block size: 256

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United Kingdom COLT UK WAN Addresses
COLT-GB-PBP

CIDR: 213.86.120.0/24
IP Range: 213.86.120.0 - 213.86.120.255
Block size: 256

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United Kingdom COLT UK WAN Addresses
COLT-GB-PBP

CIDR: 213.86.121.0/24
IP Range: 213.86.121.0 - 213.86.121.255
Block size: 256

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United Kingdom Customer WAN
COLT-GB-ADSL-WAN

CIDR: 213.86.191.0/24
IP Range: 213.86.191.0 - 213.86.191.255
Block size: 256

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United Kingdom COLT Backbone Addresses in DK
COLT-BB-DK

CIDR: 212.74.75.0/24
IP Range: 212.74.75.0 - 212.74.75.255
Block size: 256

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United Kingdom HCC Local Vlan PWG
COLT-GB-CMS-PWG-VLAN

CIDR: 213.86.161.0/24
IP Range: 213.86.161.0 - 213.86.161.255
Block size: 256

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United Kingdom HCC Global Vlan PWG
COLT-GB-CMS-PWG-VLAN

CIDR: 213.86.163.0/24
IP Range: 213.86.163.0 - 213.86.163.255
Block size: 256

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United Kingdom Customer WAN
COLT-GB-ADSL-WAN

CIDR: 213.86.187.0/24
IP Range: 213.86.187.0 - 213.86.187.255
Block size: 256

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Spain ADSL Sin NAPT BARCELONA
ADSLSINNAPT-ES-NET

CIDR: 213.27.135.0/24
IP Range: 213.27.135.0 - 213.27.135.255
Block size: 256

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France Colt FR France WAN DSL CPE 62
COLT-FR-PAR-DSL-WAN

CIDR: 62.23.240.0/24
IP Range: 62.23.240.0 - 62.23.240.255
Block size: 256

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Spain Mpls Access Masks
MPLS-ES-NET

CIDR: 213.27.129.0/24
IP Range: 213.27.129.0 - 213.27.129.255
Block size: 256

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France Colt FR Telecom WAN Mpls Wattigni62
COLT-FR-PAR-WAN

CIDR: 62.23.226.0/24
IP Range: 62.23.226.0 - 62.23.226.255
Block size: 256

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Spain BCN DSL WAN
COLT-ES-BCN-DSL-WAN

CIDR: 213.27.163.0/24
IP Range: 213.27.163.0 - 213.27.163.255
Block size: 256

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United Kingdom Colt Backbone
COLT-BB-LON-SERVERS

Servers

CIDR: 212.74.77.0/24
IP Range: 212.74.77.0 - 212.74.77.255
Block size: 256

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United Kingdom Colt Backbone
COLT-BB-FRA-SERVERS

Servers

CIDR: 212.74.78.0/24
IP Range: 212.74.78.0 - 212.74.78.255
Block size: 256

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Switzerland BSL Leased 102 Xfer
COLT-CH-BSL-WAN

CIDR: 212.203.84.0/24
IP Range: 212.203.84.0 - 212.203.84.255
Block size: 256

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Germany Colt de CGN Leased Xfer
COLT-DE-WAN

CIDR: 217.110.252.0/24
IP Range: 217.110.252.0 - 217.110.252.255
Block size: 256

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France Colt FR PAR DSL WAN
COLT-FR-PAR-DSL-WAN

CIDR: 84.14.88.0/24
IP Range: 84.14.88.0 - 84.14.88.255
Block size: 256

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