| 2a01:70:: | 2a01:70::ffff:ffff:ffff:ffff | Infrastructure IPv6 Loopbacks |
| 2a01:70:0:1:: | 2a01:70:0:ffff:ffff:ffff:ffff:ffff | Netcalibre Ltd |
| 2a01:70:1:: | 2a01:70:1:1ff:ffff:ffff:ffff:ffff | Internal LCHost Systems, Infra & Colocation Cust.. |
| 2a01:70:1:200:: | 2a01:70:1:200:ffff:ffff:ffff:ffff | c169b50 c/o Netcalibre Ltd |
| 2a01:70:1:201:: | 2a01:70:1:214:ffff:ffff:ffff:ffff | Internal LCHost Systems, Infra & Colocation Cust.. |
| 2a01:70:1:215:: | 2a01:70:1:215:ffff:ffff:ffff:ffff | Supporting IT IPv6 Assignment |
| 2a01:70:1:216:: | 2a01:70:1:218:ffff:ffff:ffff:ffff | Internal LCHost Systems, Infra & Colocation Cust.. |
| 2a01:70:1:219:: | 2a01:70:1:219:ffff:ffff:ffff:ffff | IT Grid IPv6 Assignment |
| 2a01:70:1:21a:: | 2a01:70:1:21f:ffff:ffff:ffff:ffff | Internal LCHost Systems, Infra & Colocation Cust.. |
| 2a01:70:1:220:: | 2a01:70:1:220:ffff:ffff:ffff:ffff | MerseyLink IPv6 Assignment |