| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:2001:1c00:: | 2001:1890:2001:1cff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:1d00:: | 2001:1890:2001:1dff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:1e00:: | 2001:1890:2001:1eff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:1f00:: | 2001:1890:2001:1fff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:2000:: | 2001:1890:2001:20ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:2100:: | 2001:1890:2001:21ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:2200:: | 2001:1890:2001:22ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:2300:: | 2001:1890:2001:23ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:2400:: | 2001:1890:2001:24ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:2500:: | 2001:1890:2001:25ff:ffff:ffff:ffff:ffff |