| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:2021:1e00:: | 2001:1890:2021:1eff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1f00:: | 2001:1890:2021:1fff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2000:: | 2001:1890:2021:20ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2100:: | 2001:1890:2021:21ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2200:: | 2001:1890:2021:22ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2300:: | 2001:1890:2021:23ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2400:: | 2001:1890:2021:24ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2500:: | 2001:1890:2021:25ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2600:: | 2001:1890:2021:26ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:2700:: | 2001:1890:2021:27ff:ffff:ffff:ffff:ffff |