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 |
|---|---|---|---|---|---|---|
| 51401 | AS142858 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51402 | AS142859 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51403 | AS142860 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51404 | AS143128 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51405 | AS143129 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51406 | AS143130 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51407 | AS143131 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51408 | AS143132 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51409 | AS143133 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51410 | AS143134 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51411 | AS143135 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51412 | AS143136 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51413 | AS143137 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51414 | AS143138 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51415 | AS143139 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51416 | AS143140 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51417 | AS143141 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51418 | AS143142 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51419 | AS143143 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51420 | AS143144 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51421 | AS143145 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51422 | AS143146 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51423 | AS143147 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51424 | AS143208 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51425 | AS143209 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51426 | AS143210 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51427 | AS143211 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51428 | AS143212 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51429 | AS143213 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51430 | AS143214 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51431 | AS143215 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51432 | AS143216 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51433 | AS143217 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51434 | AS143218 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51435 | AS143219 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51436 | AS143220 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51437 | AS143221 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51438 | AS143222 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51439 | AS143223 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51440 | AS143224 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51441 | AS143225 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51442 | AS143226 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51443 | AS143227 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51444 | AS143268 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51445 | AS143269 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51446 | AS143270 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51447 | AS143271 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51448 | AS143272 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51449 | AS143273 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51450 | AS143274 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |