| 2a00:2381:c3:: | 2a00:2381:c3:ff:ffff:ffff:ffff:ffff | FTIP003271544 IP MASTER |
| 2a00:2381:c3:100:: | 2a00:2381:c3:ffff:ffff:ffff:ffff:ffff | 0000417990 FTIP003271544 IP MASTER |
| 2a00:2381:c4:: | 2a00:2381:c4:ff:ffff:ffff:ffff:ffff | FTIP009584686 IP MASTER |
| 2a00:2381:c4:100:: | 2a00:2381:c4:ffff:ffff:ffff:ffff:ffff | 0000184786-KEY TRAVEL LTD |
| 2a00:2381:c5:: | 2a00:2381:c5:ff:ffff:ffff:ffff:ffff | FTIP003524138 IP MASTER |
| 2a00:2381:c5:100:: | 2a00:2381:c5:5ff:ffff:ffff:ffff:ffff | British Telecommunications PLC |
| 2a00:2381:c5:600:: | 2a00:2381:c5:6ff:ffff:ffff:ffff:ffff | FTIP004448822 IP MASTER |
| 2a00:2381:c5:700:: | 2a00:2381:c5:ffff:ffff:ffff:ffff:ffff | British Telecommunications PLC |
| 2a00:2381:c6:: | 2a00:2381:c6:ffff:ffff:ffff:ffff:ffff | 0006902168 Spofforths LLP |
| 2a00:2381:c7:: | 2a00:2381:c7:ffff:ffff:ffff:ffff:ffff | 0006050037 Foz Electrical Ltd |