| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:2001:b500:: | 2001:1890:2001:b5ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:b600:: | 2001:1890:2001:b6ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:b700:: | 2001:1890:2001:b7ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:b800:: | 2001:1890:2001:b8ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:b900:: | 2001:1890:2001:b9ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:ba00:: | 2001:1890:2001:baff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:bb00:: | 2001:1890:2001:bbff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:bc00:: | 2001:1890:2001:bcff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:bd00:: | 2001:1890:2001:bdff:ffff:ffff:ffff:ffff | |
| 2001:1890:2001:be00:: | 2001:1890:2001:beff:ffff:ffff:ffff:ffff |