| 2a00:2381:fe:2200:: | 2a00:2381:fe:22ff:ffff:ffff:ffff:ffff | FTIP009203525 IP MASTER |
| 2a00:2381:fe:2300:: | 2a00:2381:fe:23ff:ffff:ffff:ffff:ffff | FTIP009533707 IP MASTER |
| 2a00:2381:fe:2400:: | 2a00:2381:fe:ffff:ffff:ffff:ffff:ffff | 0000008127-FTIP005470259 IP MASTER |
| 2a00:2381:ff:: | 2a00:2381:ff:ffff:ffff:ffff:ffff:ffff | 0004462512 Intact Integrated Services Ltd |
| 2a00:2381:100:: | 2a00:2381:100:ffff:ffff:ffff:ffff:ffff | 0001477232 Sunderland City council |
| 2a00:2381:101:: | 2a00:2381:101:ffff:ffff:ffff:ffff:ffff | 0009409756 Link 2 Build Ltd |
| 2a00:2381:102:: | 2a00:2381:102:ff:ffff:ffff:ffff:ffff | FTIP003274378 Falcon Harborne Amber Cars Ltd |
| 2a00:2381:102:100:: | 2a00:2381:102:ffff:ffff:ffff:ffff:ffff | 0008624069 Falcon Harborne Amber Cars Ltd |
| 2a00:2381:103:: | 2a00:2381:103:ffff:ffff:ffff:ffff:ffff | 0000743437-Sirbert Instruments LTD |
| 2a00:2381:104:: | 2a00:2381:104:4ff:ffff:ffff:ffff:ffff | 0000356181-Kinleigh Folkard And Hayward |