Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,657
- 69.5% of all ASNs
- Routed ASNs
- 53,981
- 61.6% of this type
- IPv4 addresses
- 916.2M
- 26.7% of global
- IPv6 /48s
- 3.59B
- 29.6% of global
Routing data · Oct 26, 2026, 02:20 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 55551 | AS2750 | Headquarters, USAISC |  United States | 0 | 0 | 0 |
| 55552 | AS2751 | AT&T Paradyne | United States | 0 | 0 | 0 |
| 55553 | AS2752 | Thomson Financial Networks | United States | 0 | 0 | 0 |
| 55554 | AS2753 | Larse Corporation | United States | 0 | 0 | 0 |
| 55555 | AS2754 | El Paso Natural Gas Company, L.L.C. | United States | 0 | 0 | 0 |
| 55556 | AS2755 | Saint Joseph's Hospital & Medical Center | United States | 0 | 0 | 0 |
| 55557 | AS2757 | Verizon Business | United States | 0 | 0 | 0 |
| 55558 | AS2758 | Verizon Business | United States | 0 | 0 | 0 |
| 55559 | AS2759 | Verizon Business | United States | 0 | 0 | 0 |
| 55560 | AS2760 | Verizon Business | United States | 0 | 0 | 0 |
| 55561 | AS2761 | Verizon Business | United States | 0 | 0 | 0 |
| 55562 | AS2762 | — | — | 0 | 0 | 0 |
| 55563 | AS2765 | Connected INC | United States | 0 | 0 | 0 |
| 55564 | AS2767 | Zayo Bandwidth | United States | 0 | 0 | 0 |
| 55565 | AS2771 | TRW Huntsville Operations | United States | 0 | 0 | 0 |
| 55566 | AS2772 | CITIC Telecom International CPC Limited |  Hong Kong SAR China | 0 | 0 | 0 |
| 55567 | AS2775 | BENOCS |  Germany | 0 | 0 | 0 |
| 55568 | AS2776 | T-SYSTEMS-TELEKOM-IT | Germany | 0 | 0 | 0 |
| 55569 | AS2777 | TGI | Germany | 0 | 0 | 0 |
| 55570 | AS2778 | DBP | Germany | 0 | 0 | 0 |
| 55571 | AS2780 | DBP | Germany | 0 | 0 | 0 |
| 55572 | AS2782 | DBP | Germany | 0 | 0 | 0 |
| 55573 | AS2819 | GTSCZ |  Czechia | 0 | 0 | 0 |
| 55574 | AS2822 | Henry | Germany | 0 | 0 | 0 |
| 55575 | AS2823 | Bankers Trust |  Australia | 0 | 0 | 0 |
| 55576 | AS2825 | Deutsche Bank AG | United States | 0 | 0 | 0 |
| 55577 | AS2826 | General Dynamics Mission Systems, Inc. | United States | 0 | 0 | 0 |
| 55578 | AS2827 | Momtaz ICT |  Canada | 0 | 0 | 0 |
| 55579 | AS2829 | I-Link | United States | 0 | 0 | 0 |
| 55580 | AS2835 | AS-SUNET-TESTBED |  Sweden | 0 | 0 | 0 |
| 55581 | AS2845 | Lund | Sweden | 0 | 0 | 0 |
| 55582 | AS2855 | Business-Fabric |  United Kingdom | 0 | 0 | 0 |
| 55583 | AS2858 | GTT | United States | 0 | 0 | 0 |
| 55584 | AS2865 | EVRY-ONE-NET | Sweden | 0 | 0 | 0 |
| 55585 | AS2871 | Tobias Dostal |  Austria | 0 | 0 | 0 |
| 55586 | AS2874 | Orange Business Services Nordics | United States | 0 | 0 | 0 |
| 55587 | AS2878 | ULRT-AS |  Russia | 0 | 0 | 0 |
| 55588 | AS2880 | National Information Infrastructure Testbed | United States | 0 | 0 | 0 |
| 55589 | AS2881 | Rensselaer Hartford Graduate Center | United States | 0 | 0 | 0 |
| 55590 | AS2882 | Merit Network Inc. | United States | 0 | 0 | 0 |
| 55591 | AS2883 | Merit Network Inc. | United States | 0 | 0 | 0 |
| 55592 | AS2884 | — | — | 0 | 0 | 0 |
| 55593 | AS2885 | Merit Network Inc. | United States | 0 | 0 | 0 |
| 55594 | AS2887 | Ford Motor Company | United States | 0 | 0 | 0 |
| 55595 | AS2888 | Verizon Business | United States | 0 | 0 | 0 |
| 55596 | AS2889 | Verizon Business | United States | 0 | 0 | 0 |
| 55597 | AS2890 | Verizon Business | United States | 0 | 0 | 0 |
| 55598 | AS2891 | Verizon Business | United States | 0 | 0 | 0 |
| 55599 | AS2892 | Verizon Business | United States | 0 | 0 | 0 |
| 55600 | AS2893 | Computational Logic, Inc. | United States | 0 | 0 | 0 |