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 |
|---|---|---|---|---|---|---|
| 37851 | AS12020 | Methodist Hospital of Southern California |  United States | 256 | 0 | 1 |
| 37852 | AS12031 | Lord Corporation | United States | 256 | 0 | 1 |
| 37853 | AS12048 | Hallcon Corporation | United States | 256 | 0 | 1 |
| 37854 | AS12058 | EXPEDIA, INC | United States | 256 | 0 | 1 |
| 37855 | AS12060 | NAP OF CENTRAL FLORIDA, INC | United States | 256 | 0 | 1 |
| 37856 | AS12071 | Nationwide CPAs LLC | United States | 256 | 0 | 1 |
| 37857 | AS12081 | Greenheck Fan | United States | 256 | 0 | 1 |
| 37858 | AS12088 | North American Bancard, LLC | United States | 256 | 0 | 1 |
| 37859 | AS12095 | CONNEXUS CREDIT UNION | United States | 256 | 0 | 1 |
| 37860 | AS12101 | PROGRESS RAIL SERVICES Corporation | United States | 256 | 0 | 1 |
| 37861 | AS12109 | Suite Solutions Inc |  Canada | 256 | 0 | 1 |
| 37862 | AS12114 | — | — | 256 | 0 | 1 |
| 37863 | AS12157 | Element Capital Management LLC | United States | 256 | 0 | 1 |
| 37864 | AS12162 | DATA DISTRIBUTORS | United States | 256 | 0 | 1 |
| 37865 | AS12202 | FST Networks LTD. | Canada | 256 | 0 | 1 |
| 37866 | AS12210 | — | — | 256 | 0 | 1 |
| 37867 | AS12215 | Right Ascension, Inc. | United States | 256 | 0 | 1 |
| 37868 | AS12216 | KRAVET INC. | United States | 256 | 0 | 1 |
| 37869 | AS12225 | Consumerinfo.com, Inc. | United States | 256 | 0 | 1 |
| 37870 | AS12235 | SmartEdgeNet LLC | United States | 256 | 0 | 1 |
| 37871 | AS12240 | — | — | 256 | 0 | 1 |
| 37872 | AS12244 | SUPREME - Securitas Electronic Security, Inc. | United States | 256 | 0 | 1 |
| 37873 | AS12254 | Instructure, Inc | United States | 256 | 0 | 1 |
| 37874 | AS12278 | AHMC HEALTHCARE INC | United States | 256 | 0 | 1 |
| 37875 | AS12279 | VertitechIT, Inc. | United States | 256 | 0 | 1 |
| 37876 | AS12325 | IRM-AS |  Romania | 256 | 0 | 1 |
| 37877 | AS12340 | TZM-NET |  Italy | 256 | 0 | 1 |
| 37878 | AS12342 | BRACK-AS |  Switzerland | 256 | 0 | 1 |
| 37879 | AS12408 | BIKENT-AS |  Ukraine | 256 | 0 | 1 |
| 37880 | AS12463 | ASN-SBM |  Monaco | 256 | 0 | 1 |
| 37881 | AS12567 | GAIJIN NETWORK LTD |  Cyprus | 256 | 0 | 1 |
| 37882 | AS12589 | POSTA-HU-AS |  Hungary | 256 | 0 | 1 |
| 37883 | AS12613 | FIREBRICK-AS |  United Kingdom | 256 | 0 | 1 |
| 37884 | AS12666 | INTERXION-AS |  Netherlands | 256 | 0 | 1 |
| 37885 | AS12697 | PARSUN-SINDAD-ANCHOR |  Iran | 256 | 0 | 1 |
| 37886 | AS12726 | AIRPLUS-INT |  Germany | 256 | 0 | 1 |
| 37887 | AS12740 | OMX-NASDAQ-NETS |  Sweden | 256 | 0 | 1 |
| 37888 | AS12743 | PTK-CENTERTEL |  Poland | 256 | 0 | 1 |
| 37889 | AS12756 | INFOCOM-AS |  Bulgaria | 256 | 0 | 1 |
| 37890 | AS12785 | SI-ZVD |  Slovenia | 256 | 0 | 1 |
| 37891 | AS12815 | Avenga_BG | Bulgaria | 256 | 0 | 1 |
| 37892 | AS12823 | KAPPATECH-AS |  Serbia | 256 | 0 | 1 |
| 37893 | AS12841 | Veltrade-AS |  Russia | 256 | 0 | 1 |
| 37894 | AS12873 | Strateji |  Türkiye | 256 | 0 | 1 |
| 37895 | AS12917 | GLOBALLOGICSK |  Slovakia | 256 | 0 | 1 |
| 37896 | AS12922 | Cedacri-SpA | Italy | 256 | 0 | 1 |
| 37897 | AS12967 | ATT-CH-0B | Netherlands | 256 | 0 | 1 |
| 37898 | AS12992 | PROSZYNSKI_MEDIA_AS | Poland | 256 | 0 | 1 |
| 37899 | AS13011 | RA-MONITORUL-OFICIAL-AS | Romania | 256 | 0 | 1 |
| 37900 | AS13027 | UKRINFORM | Ukraine | 256 | 0 | 1 |