| Range From | Range To | Organisation |
|---|---|---|
| 2001:1890:2033:5500:: | 2001:1890:2033:55ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5600:: | 2001:1890:2033:56ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5700:: | 2001:1890:2033:57ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5800:: | 2001:1890:2033:58ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5900:: | 2001:1890:2033:59ff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5a00:: | 2001:1890:2033:5aff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5b00:: | 2001:1890:2033:5bff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5c00:: | 2001:1890:2033:5cff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5d00:: | 2001:1890:2033:5dff:ffff:ffff:ffff:ffff | |
| 2001:1890:2033:5e00:: | 2001:1890:2033:5eff:ffff:ffff:ffff:ffff |