Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,672
- 69.5% of all ASNs
- Routed ASNs
- 54,018
- 61.6% of this type
- IPv4 addresses
- 915.8M
- 26.7% of global
- IPv6 /48s
- 3.63B
- 29.2% of global
Routing data · Oct 27, 2026, 12:20 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 51901 | AS145422 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51902 | AS145423 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51903 | AS145424 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51904 | AS145425 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51905 | AS145426 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51906 | AS145427 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51907 | AS145648 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51908 | AS145649 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51909 | AS145650 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51910 | AS145651 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51911 | AS145652 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51912 | AS145653 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51913 | AS145654 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51914 | AS145655 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51915 | AS145656 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51916 | AS145657 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51917 | AS145658 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51918 | AS145659 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51919 | AS145660 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51920 | AS145661 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51921 | AS145662 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51922 | AS145663 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51923 | AS145664 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51924 | AS145665 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51925 | AS145666 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51926 | AS145667 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51927 | AS145668 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51928 | AS145669 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51929 | AS145670 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51930 | AS145671 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51931 | AS145672 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51932 | AS145673 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51933 | AS145674 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51934 | AS145675 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51935 | AS145676 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51936 | AS145677 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51937 | AS145678 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51938 | AS145679 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51939 | AS145680 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51940 | AS145681 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51941 | AS145682 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51942 | AS145683 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51943 | AS145684 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51944 | AS145685 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51945 | AS145686 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51946 | AS145687 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51947 | AS145808 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51948 | AS145809 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51949 | AS145810 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51950 | AS145811 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |