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 |
|---|---|---|---|---|---|---|
| 51801 | AS144843 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51802 | AS144844 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51803 | AS144845 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51804 | AS144846 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51805 | AS144847 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51806 | AS145068 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51807 | AS145069 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51808 | AS145070 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51809 | AS145071 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51810 | AS145072 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51811 | AS145073 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51812 | AS145074 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51813 | AS145075 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51814 | AS145076 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51815 | AS145077 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51816 | AS145078 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51817 | AS145079 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51818 | AS145080 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51819 | AS145081 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51820 | AS145082 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51821 | AS145083 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51822 | AS145084 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51823 | AS145085 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51824 | AS145086 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51825 | AS145087 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51826 | AS145088 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51827 | AS145089 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51828 | AS145090 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51829 | AS145091 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51830 | AS145092 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51831 | AS145093 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51832 | AS145094 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51833 | AS145095 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51834 | AS145096 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51835 | AS145097 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51836 | AS145098 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51837 | AS145099 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51838 | AS145100 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51839 | AS145101 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51840 | AS145102 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51841 | AS145103 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51842 | AS145104 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51843 | AS145105 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51844 | AS145106 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51845 | AS145107 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51846 | AS145308 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51847 | AS145309 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51848 | AS145310 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51849 | AS145311 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51850 | AS145312 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |