British Telecommunications PLC

AS 2856 BT-UK-AS BTnet UK Regional network

British Telecommunications PLC

AS 2856 BT-UK-AS BTnet UK Regional network


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.

  10,968,832 IP addresses

  Network
ASN2856
NameBT-UK-AS BTnet UK Regional network
OrganizationBritish Telecommunications PLC
CountryUnited Kingdom  
RegistryRIPE NCC


  Details
IPv4 addresses10,968,832
IPv6 /64 networks1.13 x 239
Prefixes337


  Other ASN allocated to British Telecommunications PLC


  Prefixes for AS2856
IPv4 addresses - showing the first 20 of 332 networks
Network Location Addresses
British Telecommunications PLC   Edgware (Colindale) 1,048,576
British Telecommunications PLC   Shepway 256
Cognizant Technology Solutions India Pvt Ltd   Amsterdam (Amsterdam-Zuidoost) 512
Btl   York 65,536
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Awe-Swan   Aldermaston 256
Atomic Weapons Establishment   Aldermaston 256
A.C. Nielsen Company   Schaumburg 256
Lloyds Banking Group PLC   London 512
Lloyds Banking Group PLC   London 512
British Telecommunications PLC   London (Kings Cross) 256

IPv6 addresses
Network Location /64 Prefixes
British Telecommunications PLC   Tempsford 216
Bt Uk   York 239
Uk-Sasglcom   Colgate 232
British Telecommunications PLC   Schiphol-Rijk 235
British Telecommunications PLC   Cobham 235