| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:1ff4:af00:: | 2001:1890:1ff4:afff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:b000:: | 2001:1890:1ff4:b0ff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:b100:: | 2001:1890:1ff4:b1ff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:b200:: | 2001:1890:1ff4:b4ff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:b500:: | 2001:1890:1ff4:b6ff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:b700:: | 2001:1890:1ff4:b7ff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:b800:: | 2001:1890:1ff4:b8ff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:b900:: | 2001:1890:1ff4:b9ff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:ba00:: | 2001:1890:1ff4:bbff:ffff:ffff:ffff:ffff | |
| 2001:1890:1ff4:bc00:: | 2001:1890:1ff4:bcff:ffff:ffff:ffff:ffff |