Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,655
- 69.5% of all ASNs
- Routed ASNs
- 53,984
- 61.6% of this type
- IPv4 addresses
- 916.1M
- 26.7% of global
- IPv6 /48s
- 3.59B
- 29.6% of global
Routing data · Oct 25, 2026, 20:18 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 56151 | AS3861 | Headquarters, USAISC |  United States | 0 | 0 | 0 |
| 56152 | AS3862 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56153 | AS3863 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56154 | AS3864 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56155 | AS3865 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56156 | AS3866 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56157 | AS3867 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56158 | AS3868 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56159 | AS3869 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56160 | AS3870 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56161 | AS3871 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56162 | AS3872 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56163 | AS3873 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56164 | AS3874 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56165 | AS3875 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56166 | AS3876 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56167 | AS3877 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56168 | AS3878 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56169 | AS3879 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56170 | AS3880 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56171 | AS3881 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56172 | AS3882 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56173 | AS3883 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56174 | AS3884 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56175 | AS3885 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56176 | AS3886 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56177 | AS3887 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56178 | AS3888 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56179 | AS3889 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56180 | AS3890 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56181 | AS3891 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56182 | AS3892 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56183 | AS3893 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56184 | AS3894 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56185 | AS3895 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56186 | AS3896 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56187 | AS3897 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 56188 | AS3899 | California State University, Chico | United States | 0 | 0 | 0 |
| 56189 | AS3900 | Data Foundry | United States | 0 | 0 | 0 |
| 56190 | AS3901 | M & A Properties, LLC | United States | 0 | 0 | 0 |
| 56191 | AS3903 | Network Ananlysis Group | United States | 0 | 0 | 0 |
| 56192 | AS3904 | ThoughtPort inc. | United States | 0 | 0 | 0 |
| 56193 | AS3906 | Advanced Data Systems | United States | 0 | 0 | 0 |
| 56194 | AS3907 | Connected INC | United States | 0 | 0 | 0 |
| 56195 | AS3908 | CenturyLink Communications, LLC | United States | 0 | 0 | 0 |
| 56196 | AS3913 | University of Miami | United States | 0 | 0 | 0 |
| 56197 | AS3915 | — | — | 0 | 0 | 0 |
| 56198 | AS3919 | HARBORNET | United States | 0 | 0 | 0 |
| 56199 | AS3922 | GXS | United States | 0 | 0 | 0 |
| 56200 | AS3924 | Texas Attorney General | United States | 0 | 0 | 0 |