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 |
|---|---|---|---|---|---|---|
| 51701 | AS144543 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51702 | AS144544 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51703 | AS144545 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51704 | AS144546 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51705 | AS144547 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51706 | AS144568 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51707 | AS144569 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51708 | AS144570 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51709 | AS144571 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51710 | AS144572 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51711 | AS144573 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51712 | AS144574 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51713 | AS144575 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51714 | AS144576 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51715 | AS144577 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51716 | AS144578 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51717 | AS144579 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51718 | AS144580 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51719 | AS144581 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51720 | AS144582 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51721 | AS144583 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51722 | AS144584 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51723 | AS144585 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51724 | AS144586 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51725 | AS144587 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51726 | AS144708 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51727 | AS144709 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51728 | AS144710 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51729 | AS144711 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51730 | AS144712 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51731 | AS144713 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51732 | AS144714 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51733 | AS144715 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51734 | AS144716 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51735 | AS144717 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51736 | AS144718 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51737 | AS144719 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51738 | AS144720 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51739 | AS144721 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51740 | AS144722 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51741 | AS144723 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51742 | AS144724 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51743 | AS144725 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51744 | AS144726 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51745 | AS144727 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51746 | AS144768 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51747 | AS144769 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51748 | AS144770 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51749 | AS144771 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51750 | AS144772 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |