| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:2023:3d00:: | 2001:1890:2023:3dff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:3e00:: | 2001:1890:2023:3eff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:3f00:: | 2001:1890:2023:3fff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:4000:: | 2001:1890:2023:40ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:4100:: | 2001:1890:2023:41ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:4200:: | 2001:1890:2023:42ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:4300:: | 2001:1890:2023:43ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:4400:: | 2001:1890:2023:44ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:4500:: | 2001:1890:2023:45ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2023:4600:: | 2001:1890:2023:46ff:ffff:ffff:ffff:ffff |