| Range From | Range To | Organisation |
|---|---|---|
| 2001:920:180a:1900:: | 2001:920:180a:19ff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:1a00:: | 2001:920:180a:1aff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:1b00:: | 2001:920:180a:1bff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:1c00:: | 2001:920:180a:1cff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:1d00:: | 2001:920:180a:1fff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:2000:: | 2001:920:180a:20ff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:2100:: | 2001:920:180a:21ff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:2200:: | 2001:920:180a:22ff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:2300:: | 2001:920:180a:23ff:ffff:ffff:ffff:ffff | |
| 2001:920:180a:2400:: | 2001:920:180a:25ff:ffff:ffff:ffff:ffff |