Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,670
- 69.5% of all ASNs
- Routed ASNs
- 54,020
- 61.6% of this type
- IPv4 addresses
- 916.1M
- 26.7% of global
- IPv6 /48s
- 3.63B
- 29.2% of global
Routing data · Oct 27, 2026, 16:20 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 51451 | AS143275 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51452 | AS143276 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51453 | AS143277 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51454 | AS143278 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51455 | AS143279 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51456 | AS143280 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51457 | AS143281 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51458 | AS143282 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51459 | AS143283 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51460 | AS143284 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51461 | AS143285 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51462 | AS143286 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51463 | AS143287 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51464 | AS143328 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51465 | AS143329 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51466 | AS143330 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51467 | AS143331 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51468 | AS143332 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51469 | AS143333 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51470 | AS143334 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51471 | AS143335 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51472 | AS143336 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51473 | AS143337 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51474 | AS143338 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51475 | AS143339 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51476 | AS143340 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51477 | AS143341 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51478 | AS143342 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51479 | AS143343 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51480 | AS143344 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51481 | AS143345 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51482 | AS143346 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51483 | AS143347 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51484 | AS143408 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51485 | AS143409 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51486 | AS143410 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51487 | AS143411 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51488 | AS143412 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51489 | AS143413 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51490 | AS143414 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51491 | AS143415 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51492 | AS143416 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51493 | AS143417 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51494 | AS143418 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51495 | AS143419 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51496 | AS143420 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51497 | AS143421 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51498 | AS143422 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51499 | AS143423 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51500 | AS143424 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |