| Range From | Range To | Organisation |
|---|---|---|
| 2001:a90:: | 2001:a90:fff:ffff:ffff:ffff:ffff:ffff | |
| 2001:a90:1000:: | 2001:a90:1fff:ffff:ffff:ffff:ffff:ffff | |
| 2001:a90:2000:: | 2001:a90:2fff:ffff:ffff:ffff:ffff:ffff | |
| 2001:a90:3000:: | 2001:a90:3fff:ffff:ffff:ffff:ffff:ffff | |
| 2001:a90:4000:: | 2001:a90:ffff:ffff:ffff:ffff:ffff:ffff |