| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:203a:1f00:: | 2001:1890:203a:1fff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2000:: | 2001:1890:203a:20ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2100:: | 2001:1890:203a:21ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2200:: | 2001:1890:203a:22ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2300:: | 2001:1890:203a:23ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2400:: | 2001:1890:203a:24ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2500:: | 2001:1890:203a:25ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2600:: | 2001:1890:203a:26ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2700:: | 2001:1890:203a:27ff:ffff:ffff:ffff:ffff | |
| 2001:1890:203a:2800:: | 2001:1890:203a:28ff:ffff:ffff:ffff:ffff |