| Country | United Kingdom |
| ASN | AS2856 |
| Organisation | British Telecommunications PLC ORG-BPIS1-RIPE |
| IP Range | 31.121.0.0 — 31.121.255.255 |
| Num of IPs | 65536 |
| ASN | AS2856 |
| Name | BT-UK-AS |
| Description | BTnet UK Regional network |
| Organisation | British Telecommunications PLC ORG-BPIS1-RIPE |
| Range | 31.121.0.0 — 31.121.255.255 |
| CIDR | 31.121.0.0/16 |
