| 2a00:2381:151:600:: | 2a00:2381:151:ffff:ffff:ffff:ffff:ffff | British Telecommunications PLC |
| 2a00:2381:152:: | 2a00:2381:152:ff:ffff:ffff:ffff:ffff | FTIP003276365 IP MASTER |
| 2a00:2381:152:100:: | 2a00:2381:152:ffff:ffff:ffff:ffff:ffff | 0010961428 FTIP003276365 IP MASTER |
| 2a00:2381:153:: | 2a00:2381:153:ffff:ffff:ffff:ffff:ffff | 0000164011-St Loyes Foundation |
| 2a00:2381:154:: | 2a00:2381:154:ff:ffff:ffff:ffff:ffff | FTIP003299982 CHAMP Cargosystems (UK) Ltd |
| 2a00:2381:154:100:: | 2a00:2381:154:1ff:ffff:ffff:ffff:ffff | FTIP007185229 IP MASTER |
| 2a00:2381:154:200:: | 2a00:2381:154:ffff:ffff:ffff:ffff:ffff | 0006194551 CHAMP Cargosystems (UK) Ltd |
| 2a00:2381:155:: | 2a00:2381:155:ff:ffff:ffff:ffff:ffff | FTIP003276617 Channel S Television Ltd |
| 2a00:2381:155:100:: | 2a00:2381:155:ffff:ffff:ffff:ffff:ffff | 0006196727 Channel S Television Ltd |
| 2a00:2381:156:: | 2a00:2381:156:5ff:ffff:ffff:ffff:ffff | 0006686178 Mace |