| Country | United Kingdom |
| ASN | AS5400 |
| Description | BT IPv6 |
| Organisation | British Telecommunications PLC ORG-CNS3-RIPE |
| IP Range | 2001:740:: — 2001:740:7fff:ffff:ffff:ffff:ffff:ffff |
| Num of IPs | 295 |
| ASN | AS5400 |
| Name | BT |
| Organisation | British Telecommunications PLC ORG-CNS3-RIPE |
| Range | 2001:740:: — 2001:740:7fff:ffff:ffff:ffff:ffff:ffff |
| CIDR | 2001:740::/33 |
