| Range From | Range To | Organisation |
|---|---|---|
| 2001:b20:: | 2001:b20:1000:ffff:ffff:ffff:ffff:ffff | |
| 2001:b20:1001:: | 2001:b20:1001:ffff:ffff:ffff:ffff:ffff | |
| 2001:b20:1002:: | 2001:b20:ffff:ffff:ffff:ffff:ffff:ffff | |
| 2001:b21:: | 2001:b26:ffff:ffff:ffff:ffff:ffff:ffff | |
| 2001:b27:: | 2001:b27:ffff:ffff:ffff:ffff:ffff:ffff |