| Range From | Range To | Organisation |
|---|---|---|
| 2001:4457:: | 2001:4457::1 | |
| 2001:4457::2 | 2001:4457::ffff | |
| 2001:4457::1:0 | 2001:4457::fffe:ffff | |
| 2001:4457::ffff:0 | 2001:4457::ffff:ffff | |
| 2001:4457::1:0:0 | 2001:4457::fffe:ffff:ffff | |
| 2001:4457::ffff:0:0 | 2001:4457::ffff:ffff:ffff | |
| 2001:4457:0:0:1:: | 2001:4457::fffe:ffff:ffff:ffff | |
| 2001:4457:0:0:ffff:: | 2001:4457::ffff:ffff:ffff:ffff | |
| 2001:4457:0:1:: | 2001:4457:0:1:ffff:ffff:ffff:ffff | |
| 2001:4457:0:2:: | 2001:4457:0:2:ffff:ffff:ffff:ffff |