| Country | United Kingdom |
| ASN | AS2856 |
| Description | BT Public Internet Service |
| Organisation | British Telecommunications PLC ORG-BPIS1-RIPE |
| IP Range | 81.128.0.0 — 81.143.255.255 |
| Num of IPs | 1048576 |
| ASN | AS2856 |
| Name | BT-UK-AS |
| Description | BTnet UK Regional network |
| Organisation | British Telecommunications PLC ORG-BPIS1-RIPE |
| Range | 81.128.0.0 — 81.143.255.255 |
| CIDR | 81.128.0.0/12 |
