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 |
|---|---|---|---|---|---|---|
| 54551 | AS1150 | SURFNET-AS |  Netherlands | 0 | 0 | 0 |
| 54552 | AS1151 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54553 | AS1153 | TWENTE-RESEARCH-AS | Netherlands | 0 | 0 | 0 |
| 54554 | AS1154 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54555 | AS1155 | SURF | Netherlands | 0 | 0 | 0 |
| 54556 | AS1156 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54557 | AS1157 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54558 | AS1158 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54559 | AS1159 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54560 | AS1160 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54561 | AS1162 | SURFsara-AS | Netherlands | 0 | 0 | 0 |
| 54562 | AS1163 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54563 | AS1164 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54564 | AS1165 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54565 | AS1166 | netSURF-AS | Netherlands | 0 | 0 | 0 |
| 54566 | AS1167 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54567 | AS1168 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54568 | AS1169 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54569 | AS1170 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54570 | AS1171 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54571 | AS1172 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54572 | AS1173 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54573 | AS1174 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54574 | AS1175 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54575 | AS1176 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54576 | AS1177 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54577 | AS1178 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54578 | AS1179 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54579 | AS1180 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54580 | AS1181 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54581 | AS1182 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54582 | AS1183 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54583 | AS1184 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54584 | AS1185 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54585 | AS1186 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54586 | AS1187 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54587 | AS1188 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54588 | AS1189 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54589 | AS1190 | SURF | Netherlands | 0 | 0 | 0 |
| 54590 | AS1191 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54591 | AS1192 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54592 | AS1193 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54593 | AS1194 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54594 | AS1195 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54595 | AS1196 | SURFNET-AS | Netherlands | 0 | 0 | 0 |
| 54596 | AS1198 | SURF | Netherlands | 0 | 0 | 0 |
| 54597 | AS1203 | IDDQD-AS |  European Union | 0 | 0 | 0 |
| 54598 | AS1209 | Navy Network Information Center (NNIC) |  United States | 0 | 0 | 0 |
| 54599 | AS1210 | Headquarters, USAISC | United States | 0 | 0 | 0 |
| 54600 | AS1211 | Headquarters, USAISC | United States | 0 | 0 | 0 |