| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:1c00:178:: | 2001:1890:1c00:178:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:179:: | 2001:1890:1c00:17a:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:17b:: | 2001:1890:1c00:17b:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:17c:: | 2001:1890:1c00:17c:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:17d:: | 2001:1890:1c00:17d:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:17e:: | 2001:1890:1c00:17e:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:17f:: | 2001:1890:1c00:1b1:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:1b2:: | 2001:1890:1c00:1b2:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:1b3:: | 2001:1890:1c00:1b3:ffff:ffff:ffff:ffff | |
| 2001:1890:1c00:1b4:: | 2001:1890:1c00:1b4:ffff:ffff:ffff:ffff |