Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,655
- 69.5% of all ASNs
- Routed ASNs
- 53,974
- 61.6% of this type
- IPv4 addresses
- 916.0M
- 26.7% of global
- IPv6 /48s
- 3.59B
- 29.0% of global
Routing data · Oct 26, 2026, 10:21 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 54601 | AS1212 | Headquarters, USAISC |  United States | 0 | 0 | 0 |
| 54602 | AS1214 | COLOEXCHANGE.COM A CALIFORNIA CORP | United States | 0 | 0 | 0 |
| 54603 | AS1216 | Oracle Corporation | United States | 0 | 0 | 0 |
| 54604 | AS1220 | INFONET Services Corporation | United States | 0 | 0 | 0 |
| 54605 | AS1223 | Advanced Information Technology Services | United States | 0 | 0 | 0 |
| 54606 | AS1227 | San Diego Supercomputer Center | United States | 0 | 0 | 0 |
| 54607 | AS1228 | Tertiary Education and Research Network of South Africa |  South Africa | 0 | 0 | 0 |
| 54608 | AS1229 | Tertiary Education and Research Network of South Africa | South Africa | 0 | 0 | 0 |
| 54609 | AS1230 | Tertiary Education and Research Network of South Africa | South Africa | 0 | 0 | 0 |
| 54610 | AS1231 | TENET (The UNINET Project) | South Africa | 0 | 0 | 0 |
| 54611 | AS1232 | Tertiary Education and Research Network of South Africa | South Africa | 0 | 0 | 0 |
| 54612 | AS1233 | National Space Development Agency |  Japan | 0 | 0 | 0 |
| 54613 | AS1235 | Renater |  European Union | 0 | 0 | 0 |
| 54614 | AS1238 | US Sprint | United States | 0 | 0 | 0 |
| 54615 | AS1240 | Cogent Communications, LLC | United States | 0 | 0 | 0 |
| 54616 | AS1242 | Air Force Systems Networking | United States | 0 | 0 | 0 |
| 54617 | AS1243 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 54618 | AS1244 | Amoco Corporation | United States | 0 | 0 | 0 |
| 54619 | AS1245 | Air Force Systems Networking | United States | 0 | 0 | 0 |
| 54620 | AS1247 | United States Department of Defense (DoD) | United States | 0 | 0 | 0 |
| 54621 | AS1250 | NUS Information Technology |  Singapore | 0 | 0 | 0 |
| 54622 | AS1253 | IDDQD-AS | European Union | 0 | 0 | 0 |
| 54623 | AS1259 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 54624 | AS1260 | Air Force Systems Networking | United States | 0 | 0 | 0 |
| 54625 | AS1264 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 54626 | AS1266 | Navy Network Information Center (NNIC) | United States | 0 | 0 | 0 |
| 54627 | AS1268 | WIND |  Italy | 0 | 0 | 0 |
| 54628 | AS1269 | IUNET2-AS | Italy | 0 | 0 | 0 |
| 54629 | AS1272 | IDDQD-AS | European Union | 0 | 0 | 0 |
| 54630 | AS1274 | FhG Institutszentrum Birlinghoven | European Union | 0 | 0 | 0 |
| 54631 | AS1275 | DFN BWiN | European Union | 0 | 0 | 0 |
| 54632 | AS1276 | Advanced Technology Services | United States | 0 | 0 | 0 |
| 54633 | AS1277 | — | — | 0 | 0 | 0 |
| 54634 | AS1278 | Union Carbide Corporation | United States | 0 | 0 | 0 |
| 54635 | AS1279 | IDDQD-AS | European Union | 0 | 0 | 0 |
| 54636 | AS1281 | Cogent Communications, LLC | United States | 0 | 0 | 0 |
| 54637 | AS1282 | COGENT-1282 | United States | 0 | 0 | 0 |
| 54638 | AS1283 | Cogent Communications, LLC | United States | 0 | 0 | 0 |
| 54639 | AS1284 | Cogent Communications, LLC | United States | 0 | 0 | 0 |
| 54640 | AS1285 | Communication Machinery Corporation | United States | 0 | 0 | 0 |
| 54641 | AS1287 | — | — | 0 | 0 | 0 |
| 54642 | AS1291 | United States Department of Defense (DoD) | United States | 0 | 0 | 0 |
| 54643 | AS1293 | HP Inc. | United States | 0 | 0 | 0 |
| 54644 | AS1295 | General Electric Company | United States | 0 | 0 | 0 |
| 54645 | AS1297 | European Organization for Nuclear Research |  Switzerland | 0 | 0 | 0 |
| 54646 | AS1298 | United States Department of Defense (DoD) | United States | 0 | 0 | 0 |
| 54647 | AS1300 | Renater | European Union | 0 | 0 | 0 |
| 54648 | AS1302 | Renater | European Union | 0 | 0 | 0 |
| 54649 | AS1305 | Renater | European Union | 0 | 0 | 0 |
| 54650 | AS1306 | Renater | European Union | 0 | 0 | 0 |