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, 14:20 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 51601 | AS143963 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51602 | AS143964 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51603 | AS143965 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51604 | AS143966 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51605 | AS143967 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51606 | AS144048 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51607 | AS144049 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51608 | AS144050 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51609 | AS144051 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51610 | AS144052 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51611 | AS144053 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51612 | AS144054 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51613 | AS144055 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51614 | AS144056 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51615 | AS144057 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51616 | AS144058 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51617 | AS144059 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51618 | AS144060 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51619 | AS144061 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51620 | AS144062 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51621 | AS144063 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51622 | AS144064 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51623 | AS144065 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51624 | AS144066 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51625 | AS144067 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51626 | AS144308 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51627 | AS144309 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51628 | AS144310 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51629 | AS144311 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51630 | AS144312 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51631 | AS144313 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51632 | AS144314 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51633 | AS144315 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51634 | AS144316 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51635 | AS144317 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51636 | AS144318 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51637 | AS144319 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51638 | AS144320 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51639 | AS144321 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51640 | AS144322 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51641 | AS144323 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51642 | AS144324 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51643 | AS144325 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51644 | AS144326 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51645 | AS144327 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51646 | AS144368 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51647 | AS144369 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51648 | AS144370 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51649 | AS144371 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51650 | AS144372 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |