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 |
|---|---|---|---|---|---|---|
| 51551 | AS143595 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51552 | AS143596 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51553 | AS143597 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51554 | AS143598 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51555 | AS143599 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51556 | AS143600 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51557 | AS143601 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51558 | AS143602 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51559 | AS143603 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51560 | AS143604 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51561 | AS143605 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51562 | AS143606 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51563 | AS143607 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51564 | AS143623 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51565 | AS143624 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51566 | AS143648 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51567 | AS143649 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51568 | AS143650 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51569 | AS143651 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51570 | AS143652 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51571 | AS143653 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51572 | AS143654 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51573 | AS143655 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51574 | AS143656 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51575 | AS143657 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51576 | AS143658 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51577 | AS143659 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51578 | AS143660 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51579 | AS143661 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51580 | AS143662 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51581 | AS143663 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51582 | AS143664 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51583 | AS143665 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51584 | AS143666 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51585 | AS143667 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51586 | AS143948 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51587 | AS143949 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51588 | AS143950 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51589 | AS143951 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51590 | AS143952 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51591 | AS143953 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51592 | AS143954 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51593 | AS143955 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51594 | AS143956 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51595 | AS143957 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51596 | AS143958 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51597 | AS143959 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51598 | AS143960 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51599 | AS143961 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51600 | AS143962 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |