Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,653
- 69.5% of all ASNs
- Routed ASNs
- 53,971
- 61.6% of this type
- IPv4 addresses
- 916.1M
- 26.9% of global
- IPv6 /48s
- 3.58B
- 30.2% of global
Routing data · Oct 25, 2026, 08:21 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 57251 | AS5537 | RU-CENTER AS5537 |  Russia | 0 | 0 | 0 |
| 57252 | AS5549 | SEICOM-AS |  Germany | 0 | 0 | 0 |
| 57253 | AS5551 | CORINET |  United Kingdom | 0 | 0 | 0 |
| 57254 | AS5560 | AS-BICS-INSTANT-PEERING |  Belgium | 0 | 0 | 0 |
| 57255 | AS5562 | interhouse-frankfurt |  Netherlands | 0 | 0 | 0 |
| 57256 | AS5565 | Satrax-Net-AS |  Hungary | 0 | 0 | 0 |
| 57257 | AS5571 | EMEA Ltd. | United Kingdom | 0 | 0 | 0 |
| 57258 | AS5573 | KRASNET-AS | Russia | 0 | 0 | 0 |
| 57259 | AS5574 | TDC-SE |  Sweden | 0 | 0 | 0 |
| 57260 | AS5584 | University |  Bahrain | 0 | 0 | 0 |
| 57261 | AS5585 | Israel Internet Association |  Israel | 0 | 0 | 0 |
| 57262 | AS5591 | MARTELCOM-AS | Russia | 0 | 0 | 0 |
| 57263 | AS5599 | UUNET-DK |  Denmark | 0 | 0 | 0 |
| 57264 | AS5604 | FREEDOMTOSURF | United Kingdom | 0 | 0 | 0 |
| 57265 | AS5608 | Fergus Euan McKay |  Estonia | 0 | 0 | 0 |
| 57266 | AS5620 | ADRIAMEDIA-AS |  Croatia | 0 | 0 | 0 |
| 57267 | AS5622 | THOMSON-REUTERS | United Kingdom | 0 | 0 | 0 |
| 57268 | AS5624 | DXC Technology Danmark A/S | Denmark | 0 | 0 | 0 |
| 57269 | AS5628 | EUROTEL-SK |  Slovakia | 0 | 0 | 0 |
| 57270 | AS5630 | WORLDLINE-GERMANY |  France | 0 | 0 | 0 |
| 57271 | AS5633 | Internet Online S.A. de C.V. |  Mexico | 0 | 0 | 0 |
| 57272 | AS5634 | Milestone Research and Development Labs Inc. |  United States | 0 | 0 | 0 |
| 57273 | AS5636 | NetWork Access | United States | 0 | 0 | 0 |
| 57274 | AS5637 | SAF HOLLAND INC. | United States | 0 | 0 | 0 |
| 57275 | AS5640 | National Center for Supercomputing Applications - AS5640 | United States | 0 | 0 | 0 |
| 57276 | AS5643 | The Silk Road Group, Ltd. | United States | 0 | 0 | 0 |
| 57277 | AS5644 | USAinternet, Inc. | United States | 0 | 0 | 0 |
| 57278 | AS5646 | NAP.NET, LLC | United States | 0 | 0 | 0 |
| 57279 | AS5648 | Satlink S.A. |  Argentina | 0 | 0 | 0 |
| 57280 | AS5649 | Kevin Communication Services | United States | 0 | 0 | 0 |
| 57281 | AS5652 | INTERNET Indiana | United States | 0 | 0 | 0 |
| 57282 | AS5654 | The Information SuperHighway Corp | United States | 0 | 0 | 0 |
| 57283 | AS5657 | FC Business Systems | United States | 0 | 0 | 0 |
| 57284 | AS5658 | The Coca-Cola Company | United States | 0 | 0 | 0 |
| 57285 | AS5659 | Vivanet Inc. | United States | 0 | 0 | 0 |
| 57286 | AS5660 | Johnson Control | United States | 0 | 0 | 0 |
| 57287 | AS5665 | Delmarva Power & Light Company | United States | 0 | 0 | 0 |
| 57288 | AS5667 | You Tools Corporation/FastNet | United States | 0 | 0 | 0 |
| 57289 | AS5668 | CenturyLink Communications, LLC | United States | 0 | 0 | 0 |
| 57290 | AS5673 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57291 | AS5674 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57292 | AS5675 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57293 | AS5676 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57294 | AS5677 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57295 | AS5678 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57296 | AS5679 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57297 | AS5680 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57298 | AS5681 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 57299 | AS5682 | Online Network Enterprises | United States | 0 | 0 | 0 |
| 57300 | AS5684 | Gannett Company, Inc. | United States | 0 | 0 | 0 |