AS15404

COLT Technology Services Group Limited

AS 15404 UNSPECIFIED

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

141,568 IP addresses
ASN15404
NameUNSPECIFIED
OrganizationCOLT Technology Services Group Limited
CountryUnited Kingdom  
RegistryRIPE NCC
IPv4 addresses141,568
IPv6 /64 networks1.06 x 232
Prefixes153
Other ASN allocated to COLT Technology Services Group Limited
ASN Name IP addresses
8220 COLT 1,384,448
12761 COLT-CORP-IT 1,536
6675 COLT-FRANCE-AS 0
8372 COLT-UK-AS 0
9126 UNSPECIFIED 0
12640 UNSPECIFIED 0
12755 UNSPECIFIED 0
12878 Colt-managed-DC-Cloud-Customers 0
IPv4 Prefixes for AS15404 - showing the first 20 of 148 networks
Network Location Addresses
103.80.220.0/24 FIL Asia Holdings Pte Limited   Hong Kong 256
103.80.221.0/24 FIL Asia Holdings Pte Limited   Hong Kong 256
109.107.145.0/24 COLT Technology Services Group Limited   Cologne 256
129.35.17.0/24 COLT Technology Services Group Limited   Chicago 256
129.35.20.0/23 COLT Technology Services Group Limited   London 512
129.35.27.0/24 COLT Technology Services Group Limited   London 256
129.35.85.0/24 COLT Technology Services Group Limited   London 256
141.98.45.0/24 COLT Technology Services Group Limited   Fürth (Kronach) 256
145.224.32.0/23 Condor Flugdienst GmbH via COLT-UK   Neu-Isenburg 512
149.249.0.0/21 COLT Technology Services Group Limited   Mannheim 2,048
155.137.0.0/24 Leonet   Ballerup Municipality 256
155.137.1.0/24 Leonet   Ballerup Municipality 256
155.137.2.0/24 Leonet   Ballerup Municipality 256
155.137.3.0/24 Leonet   Ballerup Municipality 256
155.137.7.0/24 Leonet   Ballerup Municipality 256
156.118.0.0/24 COLT Technology Services Group Limited   Paris 256
156.118.6.0/24 COLT Technology Services Group Limited   Paris 256
156.118.8.0/24 Ifpenneta   Rueil-Malmaison 256
157.239.128.0/24 COLT Technology Services Group Limited   Schiphol 256
157.239.129.0/24 COLT Technology Services Group Limited   Schiphol 256
IPv6 Prefixes for AS15404
Network Location /64 Prefixes
2001:67c:67c::/48 COLT Technology Services Group Limited   Munich 216
2a04:f400:3001::/48 WPP Group Technology Services   New York 216
2a07:cb81::/32 Centric AM2 Colt   Gouda 232
2a0a:d6c0:145::/48 Jmptechnology4   Sankt Augustin 216
2a10:8802::/36 Uk-Interpublic   Frankfurt am Main 228