| Range From | Range To | Organisation |
|---|---|---|
| 2001:4457:edf:: | 2001:4457:f00:ffff:ffff:ffff:ffff:ffff | |
| 2001:4457:f01:: | 2001:4457:f01:ffff:ffff:ffff:ffff:ffff | |
| 2001:4457:f02:: | 2001:4457:f53:ffff:ffff:ffff:ffff:ffff | |
| 2001:4457:f54:: | 2001:4457:f54:ffff:ffff:ffff:ffff:ffff | |
| 2001:4457:f55:: | 2001:4457:f5c:ffff:ffff:ffff:ffff:ffff | |
| 2001:4457:f5d:: | 2001:4457:f5d:ffff:ffff:ffff:ffff:ffff | |
| 2001:4457:f5e:: | 2001:4457:f93:ffff:ffff:ffff:ffff:ffff |