| Range From | Range To | Organisation |
|---|---|---|
| 2001:4490:d820:: | 2001:4490:d820:ff:ffff:ffff:ffff:ffff | |
| 2001:4490:d820:100:: | 2001:4490:d820:1ff:ffff:ffff:ffff:ffff | |
| 2001:4490:d820:200:: | 2001:4490:d820:ffff:ffff:ffff:ffff:ffff | |
| 2001:4490:d821:: | 2001:4490:d83e:ffff:ffff:ffff:ffff:ffff |