| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:2021:ba00:: | 2001:1890:2021:baff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:bb00:: | 2001:1890:2021:bbff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:bc00:: | 2001:1890:2021:bcff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:bd00:: | 2001:1890:2021:bdff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:be00:: | 2001:1890:2021:beff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:bf00:: | 2001:1890:2021:bfff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:c000:: | 2001:1890:2021:c0ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:c100:: | 2001:1890:2021:c1ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:c200:: | 2001:1890:2021:c2ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2021:c300:: | 2001:1890:2021:c3ff:ffff:ffff:ffff:ffff |