| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:2021:1400:: | 2001:1890:2021:14ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1500:: | 2001:1890:2021:15ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1600:: | 2001:1890:2021:16ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1700:: | 2001:1890:2021:17ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1800:: | 2001:1890:2021:18ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1900:: | 2001:1890:2021:19ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1a00:: | 2001:1890:2021:1aff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1b00:: | 2001:1890:2021:1bff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1c00:: | 2001:1890:2021:1cff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:1d00:: | 2001:1890:2021:1dff:ffff:ffff:ffff:ffff |