| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:203a:5300:: | 2001:1890:203a:53ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5400:: | 2001:1890:203a:54ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5500:: | 2001:1890:203a:55ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5600:: | 2001:1890:203a:56ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5700:: | 2001:1890:203a:57ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5800:: | 2001:1890:203a:58ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5900:: | 2001:1890:203a:59ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5a00:: | 2001:1890:203a:5aff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5b00:: | 2001:1890:203a:5bff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:5c00:: | 2001:1890:203a:5cff:ffff:ffff:ffff:ffff |