| Count | Prefix |
|---|---|
| 22 | 2001::/24 |
| 237 | 2001:200::/24 |
| 68 | 2001:300::/24 |
| 2,312 | 2001:400::/24 |
| 550 | 2001:500::/24 |
| 1,785 | 2001:600::/24 |
| 493 | 2001:700::/24 |
| 3,170 | 2001:800::/24 |
| 265 | 2001:900::/24 |
| 132 | 2001:a00::/24 |
| 562 | 2001:b00::/24 |
| 43 | 2001:c00::/24 |
| 742 | 2001:d00::/24 |
| 406 | 2001:e00::/24 |
| 37 | 2001:f00::/24 |
| 33 | 2001:1200::/24 |
| 40 | 2001:1300::/24 |
| 220 | 2001:1400::/24 |
| 380 | 2001:1500::/24 |
| 1,656 | 2001:1600::/24 |
| 5 | 2001:1700::/24 |
| 109 | 2001:1800::/24 |
| 3,066 | 2001:1900::/24 |
| 467 | 2001:1a00::/24 |
| 160 | 2001:1b00::/24 |
| 24 | 2001:1c00::/24 |
| 54 | 2001:2000::/24 |
| 143 | 2001:4000::/24 |
| 3,115 | 2001:4100::/24 |
| 14 | 2001:4200::/24 |
| 13 | 2001:4300::/24 |
| 27 | 2001:4400::/24 |
| 6 | 2001:4500::/24 |
| 6 | 2001:4600::/24 |
| 363 | 2001:4800::/24 |
| 70 | 2001:4900::/24 |
| 1,072 | 2001:4b00::/24 |
| 123 | 2001:4c00::/24 |
| 120 | 2001:4d00::/24 |
| 3 | 2001:5000::/24 |
| 17 | 2001:8000::/24 |
| 65 | 2001:b000::/24 |
| 1 | 2001:cd00::/24 |
| 2 | 2001:ff00::/24 |