Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,698
- 69.5% of all ASNs
- Routed ASNs
- 54,036
- 61.6% of this type
- IPv4 addresses
- 915.9M
- 26.7% of global
- IPv6 /48s
- 3.63B
- 29.2% of global
Routing data · Oct 28, 2026, 14:21 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 37601 | AS5623 | ATT-CH-0A |  Netherlands | 256 | 0 | 1 |
| 37602 | AS5629 | GRAL |  Poland | 256 | 0 | 1 |
| 37603 | AS5632 | Gordon College |  United States | 256 | 0 | 1 |
| 37604 | AS5635 | GlaxoSmithKline | United States | 256 | 0 | 1 |
| 37605 | AS5638 | Brewer Science | United States | 256 | 0 | 1 |
| 37606 | AS5641 | UNIVERSAL HEALTH SERVICES | United States | 256 | 0 | 1 |
| 37607 | AS5733 | Monroe County | United States | 256 | 0 | 1 |
| 37608 | AS5743 | Port Metro Vancouver |  Canada | 256 | 0 | 1 |
| 37609 | AS5757 | Halton Healthcare | Canada | 256 | 0 | 1 |
| 37610 | AS6081 | — | — | 256 | 0 | 1 |
| 37611 | AS6085 | SITA-GPOP-EXT |  Belgium | 256 | 0 | 1 |
| 37612 | AS6092 | Harford Community College | United States | 256 | 0 | 1 |
| 37613 | AS6105 | Denver Water | United States | 256 | 0 | 1 |
| 37614 | AS6141 | Grinnell Mutual Reinsurance Company | United States | 256 | 0 | 1 |
| 37615 | AS6143 | American Regent, Inc | United States | 256 | 0 | 1 |
| 37616 | AS6193 | Corporacion La Prensa S.A. |  Panama | 256 | 0 | 1 |
| 37617 | AS6216 | Intellectual Ventures Management, LLC | United States | 256 | 0 | 1 |
| 37618 | AS6224 | CenturyLink Communications, LLC | United States | 256 | 0 | 1 |
| 37619 | AS6245 | InterNIC Registration Services | United States | 256 | 0 | 1 |
| 37620 | AS6248 | DEKA Research & Development Corp | United States | 256 | 0 | 1 |
| 37621 | AS6302 | AG PROCESSING INC., A COOPERATIVE | United States | 256 | 0 | 1 |
| 37622 | AS6332 | Telefonos del Noroeste, S.A. de C.V. |  Mexico | 256 | 0 | 1 |
| 37623 | AS6343 | Omega Systems Consultants, LLC | United States | 256 | 0 | 1 |
| 37624 | AS6434 | Amherst Pierpont Securities | United States | 256 | 0 | 1 |
| 37625 | AS6500 | Nexusguard Inc | United States | 256 | 0 | 1 |
| 37626 | AS6531 | Burlington USD #244 | United States | 256 | 0 | 1 |
| 37627 | AS6562 | tekside.io Inc | Canada | 256 | 0 | 1 |
| 37628 | AS6618 | Johns Hopkins HealthCare | United States | 256 | 0 | 1 |
| 37629 | AS6645 | OLEAN GENERAL HOSPITAL | United States | 256 | 0 | 1 |
| 37630 | AS6651 | Gemini | United States | 256 | 0 | 1 |
| 37631 | AS6686 | ATT-GCH-VOI-SF-AS | Netherlands | 256 | 0 | 1 |
| 37632 | AS6688 | ATT-GCH-VOI-LA-AS | Netherlands | 256 | 0 | 1 |
| 37633 | AS6732 | CYBERLINK-TRANSIT |  Switzerland | 256 | 0 | 1 |
| 37634 | AS6742 | ATT-CH-0E | Netherlands | 256 | 0 | 1 |
| 37635 | AS6748 | ATT-CH-0D | Netherlands | 256 | 0 | 1 |
| 37636 | AS6796 | SERVIER-AS |  Romania | 256 | 0 | 1 |
| 37637 | AS6870 | SPACE-IX |  Russia | 256 | 0 | 1 |
| 37638 | AS6872 | SAASNOW | Netherlands | 256 | 0 | 1 |
| 37639 | AS6891 | INFEUROPE-AS |  Luxembourg | 256 | 0 | 1 |
| 37640 | AS6955 | D&H Distributing Company | United States | 256 | 0 | 1 |
| 37641 | AS7013 | Health Sciences Libraries Consortium | United States | 256 | 0 | 1 |
| 37642 | AS7060 | Electronic Arts, Inc. | United States | 256 | 0 | 1 |
| 37643 | AS7080 | Electronica y Comunicaciones, S. A. | Mexico | 256 | 0 | 1 |
| 37644 | AS7136 | Latino Communications Corporation | United States | 256 | 0 | 1 |
| 37645 | AS7213 | Mason Companies, Inc. | United States | 256 | 0 | 1 |
| 37646 | AS7271 | FIBERNETICS CORPORATION | Canada | 256 | 0 | 1 |
| 37647 | AS7312 | FDM4 International Inc. | Canada | 256 | 0 | 1 |
| 37648 | AS7340 | TELETEL |  Argentina | 256 | 0 | 1 |
| 37649 | AS7362 | Hearst Newspapers, LLC | United States | 256 | 0 | 1 |
| 37650 | AS7380 | Avant, Inc. | United States | 256 | 0 | 1 |