Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,654
- 69.5% of all ASNs
- Routed ASNs
- 53,980
- 61.6% of this type
- IPv4 addresses
- 915.9M
- 26.7% of global
- IPv6 /48s
- 3.59B
- 29.6% of global
Routing data · Oct 25, 2026, 22:21 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 55801 | AS3127 | Caprica Telecomputing Resources |  United States | 0 | 0 | 0 |
| 55802 | AS3129 | University of Wisconsin Madison | United States | 0 | 0 | 0 |
| 55803 | AS3133 | U.S. Dept. of Health and Human Services | United States | 0 | 0 | 0 |
| 55804 | AS3135 | Maryland Information Technology Center | United States | 0 | 0 | 0 |
| 55805 | AS3137 | State of WI Dept. of Administration | United States | 0 | 0 | 0 |
| 55806 | AS3138 | General Services Administration | United States | 0 | 0 | 0 |
| 55807 | AS3139 | American Society fro Engineering Education | United States | 0 | 0 | 0 |
| 55808 | AS3142 | — | — | 0 | 0 | 0 |
| 55809 | AS3143 | U.S. Department of Veterans Affairs | United States | 0 | 0 | 0 |
| 55810 | AS3144 | HeptaSky LLC | United States | 0 | 0 | 0 |
| 55811 | AS3146 | Scientific Application International Corp. (SAIC) | United States | 0 | 0 | 0 |
| 55812 | AS3148 | University of Wisconsin Madison | United States | 0 | 0 | 0 |
| 55813 | AS3149 | Spectrum Online Systems Inc | United States | 0 | 0 | 0 |
| 55814 | AS3150 | NTT America, Inc. | United States | 0 | 0 | 0 |
| 55815 | AS3151 | IDDQD-AS |  European Union | 0 | 0 | 0 |
| 55816 | AS3153 | Federal Emergency Management Agency | United States | 0 | 0 | 0 |
| 55817 | AS3178 | WideTelecom-AS |  Iraq | 0 | 0 | 0 |
| 55818 | AS3179 | AKVALIS-AS |  Russia | 0 | 0 | 0 |
| 55819 | AS3211 | Vodafone |  Germany | 0 | 0 | 0 |
| 55820 | AS3222 | CINIAFI |  Finland | 0 | 0 | 0 |
| 55821 | AS3234 | Parliament |  Czechia | 0 | 0 | 0 |
| 55822 | AS3239 | RU-SUrNet | Russia | 0 | 0 | 0 |
| 55823 | AS3256 | Renater AS3256 |  France | 0 | 0 | 0 |
| 55824 | AS3265 | XS4ALL-NL |  Netherlands | 0 | 0 | 0 |
| 55825 | AS3272 | Fujitsu |  Denmark | 0 | 0 | 0 |
| 55826 | AS3273 | ONO-AS |  Spain | 0 | 0 | 0 |
| 55827 | AS3274 | CYGATE | Finland | 0 | 0 | 0 |
| 55828 | AS3277 | YG-SPB-RU | Russia | 0 | 0 | 0 |
| 55829 | AS3286 | IOL |  Ireland | 0 | 0 | 0 |
| 55830 | AS3287 | REDLINE-AS | Russia | 0 | 0 | 0 |
| 55831 | AS3294 | ITER-ORGANIZATION | France | 0 | 0 | 0 |
| 55832 | AS3297 | SG_PRIV_CH | France | 0 | 0 | 0 |
| 55833 | AS3304 | SCARLET |  Belgium | 0 | 0 | 0 |
| 55834 | AS3307 | GLOBALCONNECT-AS |  Norway | 0 | 0 | 0 |
| 55835 | AS3309 | TELIANET-IPV6 |  Sweden | 0 | 0 | 0 |
| 55836 | AS3315 | Join-stock | Russia | 0 | 0 | 0 |
| 55837 | AS3317 | Universiteit | Netherlands | 0 | 0 | 0 |
| 55838 | AS3318 | EXPERIMENTAL-NET |  Australia | 0 | 0 | 0 |
| 55839 | AS3321 | SYNIVERSE-TECHNOLOGIES-MESSAGING-APS | Denmark | 0 | 0 | 0 |
| 55840 | AS3334 | VTX-NETWORK |  Switzerland | 0 | 0 | 0 |
| 55841 | AS3338 | Computer and Automation Institute |  Hungary | 0 | 0 | 0 |
| 55842 | AS3340 | MAGYAR-TELEKOM-GTS-AS | Hungary | 0 | 0 | 0 |
| 55843 | AS3343 | NIKS | Russia | 0 | 0 | 0 |
| 55844 | AS3348 | AS-AVATEL | Spain | 0 | 0 | 0 |
| 55845 | AS3355 | Lockheed Martin Corporation | United States | 0 | 0 | 0 |
| 55846 | AS3358 | Central Intelligence Agency | United States | 0 | 0 | 0 |
| 55847 | AS3362 | Data Transfer Group | United States | 0 | 0 | 0 |
| 55848 | AS3365 | Seesip Inc. | United States | 0 | 0 | 0 |
| 55849 | AS3368 | — | — | 0 | 0 | 0 |
| 55850 | AS3370 | Verizon Business | United States | 0 | 0 | 0 |