| CIDR Length | CIDRs Assigned to Date | Total Assigned /48s |
|---|---|---|
| /16 | 1 | 4,294,967,296 |
| /17 | 1 | 2,147,483,648 |
| /18 | 0 | 0 |
| /19 | 3 | 1,610,612,736 |
| /20 | 26 | 6,979,321,856 |
| /21 | 14 | 1,879,048,192 |
| /22 | 37 | 2,483,027,968 |
| /23 | 8 | 268,435,456 |
| /24 | 76 | 1,275,068,416 |
| /25 | 11 | 92,274,688 |
| /26 | 19 | 79,691,776 |
| /27 | 23 | 48,234,496 |
| /28 | 199 | 208,666,624 |
| /29 | 16,407 | 8,601,993,216 |
| /30 | 192 | 50,331,648 |
| /31 | 160 | 20,971,520 |
| /32 | 31,870 | 2,088,632,320 |
| /33 | 55 | 1,802,240 |
| /34 | 56 | 917,504 |
| /35 | 119 | 974,848 |
| /36 | 1,627 | 6,664,192 |
| /37 | 1 | 2,048 |
| /38 | 1 | 1,024 |
| /39 | 3 | 1,536 |
| /40 | 1,634 | 418,304 |
| /41 | 12 | 1,536 |
| /42 | 24 | 1,536 |
| /43 | 11 | 352 |
| /44 | 1,056 | 16,896 |
| /45 | 44 | 352 |
| /46 | 58 | 232 |
| /47 | 161 | 322 |
| /48 | 14,067 | 14,067 |
| Allocated /48s Total | 32,139,578,845 | |
| Total of /48s in 2000::/3 | 35,184,372,088,832 | |
| % of 2000::/3 utilized | 0.09 |