Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,676
- 69.5% of all ASNs
- Routed ASNs
- 54,024
- 61.6% of this type
- IPv4 addresses
- 915.9M
- 26.7% of global
- IPv6 /48s
- 3.63B
- 29.2% of global
Routing data · Oct 27, 2026, 18:23 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 51201 | AS33992 | MASSRESPONSE-AS2 |  Austria | 0 | 524,288 | 1 |
| 51202 | AS43336 | ASPIXIE |  United Kingdom | 0 | 524,288 | 1 |
| 51203 | AS47224 | NOVERCA-AS |  Italy | 0 | 524,288 | 1 |
| 51204 | AS48363 | CLX-AS |  Russia | 0 | 524,288 | 1 |
| 51205 | AS52139 | SLOVANET-CARISMA |  Slovakia | 0 | 524,288 | 1 |
| 51206 | AS56708 | GB-IIL-AS |  South Africa | 0 | 524,288 | 1 |
| 51207 | AS57650 | NOMIOS-ASN | United Kingdom | 0 | 524,288 | 1 |
| 51208 | AS57755 | NARIN |  Iran | 0 | 524,288 | 1 |
| 51209 | AS57831 | MANISAFA | Iran | 0 | 524,288 | 1 |
| 51210 | AS58192 | Atis Omran Sevin | Iran | 0 | 524,288 | 1 |
| 51211 | AS59429 | POLOTEC | Italy | 0 | 524,288 | 1 |
| 51212 | AS60960 | StarNetwork-IPv6 |  Israel | 0 | 524,288 | 1 |
| 51213 | AS64629 | — | — | 0 | 524,288 | 1 |
| 51214 | AS198010 | TelecomMalaysia |  Malaysia | 0 | 524,288 | 1 |
| 51215 | AS200886 | NET-CITY-2020-AS |  Ukraine | 0 | 524,288 | 1 |
| 51216 | AS201660 | RR-Schutz |  Germany | 0 | 524,288 | 1 |
| 51217 | AS201963 | SCALEIT-AS | Germany | 0 | 524,288 | 1 |
| 51218 | AS203359 | RVC-AS | Russia | 0 | 524,288 | 8 |
| 51219 | AS203487 | OMONIA |  Serbia | 0 | 524,288 | 1 |
| 51220 | AS204470 | NETART-TK |  Poland | 0 | 524,288 | 1 |
| 51221 | AS204669 | isp-netlabs-as | Ukraine | 0 | 524,288 | 1 |
| 51222 | AS205699 | FLOW |  Switzerland | 0 | 524,288 | 1 |
| 51223 | AS205773 | Telecom-Service-AS | Russia | 0 | 524,288 | 1 |
| 51224 | AS205866 | VRV-AS | Russia | 0 | 524,288 | 8 |
| 51225 | AS207214 | nxhop |  France | 0 | 524,288 | 1 |
| 51226 | AS208383 | nccpolskaspzoo | Poland | 0 | 524,288 | 1 |
| 51227 | AS208828 | Pishgaman-FCP | Iran | 0 | 524,288 | 1 |
| 51228 | AS209076 | Vayu | Italy | 0 | 524,288 | 1 |
| 51229 | AS209431 | Pharocom |  Czechia | 0 | 524,288 | 1 |
| 51230 | AS211350 | DATABUSINESS-LT |  Lithuania | 0 | 524,288 | 2 |
| 51231 | AS211351 | DTGBS2-AT | Austria | 0 | 524,288 | 1 |
| 51232 | AS211474 | Safey |  Norway | 0 | 524,288 | 1 |
| 51233 | AS213566 | bvk | Germany | 0 | 524,288 | 1 |
| 51234 | AS213832 | — |  United States | 0 | 524,288 | 1 |
| 51235 | AS214328 | IP-SERVICES-16-AS | Poland | 0 | 524,288 | 1 |
| 51236 | AS216349 | Lex-net | Lithuania | 0 | 524,288 | 1 |
| 51237 | AS218433 | ALMATEL-AS |  Kazakhstan | 0 | 524,288 | 1 |
| 51238 | AS218536 | NELIA | France | 0 | 524,288 | 1 |
| 51239 | AS218961 | d0 | Germany | 0 | 524,288 | 1 |
| 51240 | AS396931 | HostRoyale LLC | United States | 0 | 524,288 | 1 |
| 51241 | AS399975 | NetSWAT LLC | United States | 0 | 524,288 | 10 |
| 51242 | AS43685 | Mean Servers | United States | 0 | 458,752 | 3 |
| 51243 | AS206174 | KKM-AS | Russia | 0 | 458,752 | 7 |
| 51244 | AS211009 | KAA-AS | Russia | 0 | 458,752 | 7 |
| 51245 | AS47464 | AM-AS |  Seychelles | 0 | 393,216 | 3 |
| 51246 | AS51837 | NETEX-51837-AS | Seychelles | 0 | 393,216 | 6 |
| 51247 | AS204968 | VAV-AS | Russia | 0 | 393,216 | 6 |
| 51248 | AS213294 | SAV-AS | Russia | 0 | 393,216 | 6 |
| 51249 | AS215290 | BEA-AS | Russia | 0 | 393,216 | 6 |
| 51250 | AS24360 | CERNET2 IX at Zhengzhou University |  China | 0 | 327,884 | 206 |