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 |
|---|---|---|---|---|---|---|
| 51501 | AS143425 | China Education and Research Network (CERNET) |  China | 0 | 65,536 | 1 |
| 51502 | AS143426 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51503 | AS143427 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51504 | AS143468 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51505 | AS143469 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51506 | AS143470 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51507 | AS143471 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51508 | AS143472 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51509 | AS143473 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51510 | AS143474 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51511 | AS143475 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51512 | AS143476 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51513 | AS143477 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51514 | AS143478 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51515 | AS143479 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51516 | AS143480 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51517 | AS143481 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51518 | AS143482 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51519 | AS143483 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51520 | AS143484 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51521 | AS143485 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51522 | AS143486 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51523 | AS143487 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51524 | AS143488 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51525 | AS143489 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51526 | AS143490 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51527 | AS143491 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51528 | AS143492 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51529 | AS143493 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51530 | AS143494 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51531 | AS143495 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51532 | AS143496 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51533 | AS143497 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51534 | AS143498 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51535 | AS143499 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51536 | AS143500 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51537 | AS143501 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51538 | AS143502 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51539 | AS143503 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51540 | AS143504 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51541 | AS143505 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51542 | AS143506 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51543 | AS143507 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51544 | AS143588 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51545 | AS143589 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51546 | AS143590 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51547 | AS143591 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51548 | AS143592 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51549 | AS143593 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |
| 51550 | AS143594 | China Education and Research Network (CERNET) | China | 0 | 65,536 | 1 |