Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,615
- 69.5% of all ASNs
- Routed ASNs
- 53,933
- 61.6% of this type
- IPv4 addresses
- 916.2M
- 26.7% of global
- IPv6 /48s
- 3.58B
- 30.2% of global
Routing data · Oct 23, 2026, 06:22 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 66251 | AS40432 | Cambridge Integrated Services Group, Inc. |  United States | 0 | 0 | 0 |
| 66252 | AS40441 | Charles Schwab & Co., Inc. | United States | 0 | 0 | 0 |
| 66253 | AS40445 | JAB Wireless, INC. | United States | 0 | 0 | 0 |
| 66254 | AS40446 | ParseHub |  Canada | 0 | 0 | 0 |
| 66255 | AS40447 | — | — | 0 | 0 | 0 |
| 66256 | AS40450 | Crowdstrike | United States | 0 | 0 | 0 |
| 66257 | AS40452 | BT Americas, Inc | United States | 0 | 0 | 0 |
| 66258 | AS40455 | MAPCO Express, Inc. | United States | 0 | 0 | 0 |
| 66259 | AS40462 | Agilync Corporation | United States | 0 | 0 | 0 |
| 66260 | AS40465 | Tele Express Telecommunications XII Corp. | United States | 0 | 0 | 0 |
| 66261 | AS40472 | HBA International Inc. | United States | 0 | 0 | 0 |
| 66262 | AS40477 | Hydrotex Partners, Ltd. | United States | 0 | 0 | 0 |
| 66263 | AS40480 | — | — | 0 | 0 | 0 |
| 66264 | AS40483 | Superior Energy Services, Inc | United States | 0 | 0 | 0 |
| 66265 | AS40484 | The Epoch Times Association Inc | United States | 0 | 0 | 0 |
| 66266 | AS40485 | SANDY SPRING BANK | United States | 0 | 0 | 0 |
| 66267 | AS40486 | Florida Virtual Campus | United States | 0 | 0 | 0 |
| 66268 | AS40487 | Infusion Software | United States | 0 | 0 | 0 |
| 66269 | AS40496 | NEXGENACCESS, INC. | United States | 0 | 0 | 0 |
| 66270 | AS40504 | The Constant Company, LLC | United States | 0 | 0 | 0 |
| 66271 | AS40512 | LivingSocial, Inc. | United States | 0 | 0 | 0 |
| 66272 | AS40514 | Pathology Associates Medical Laboratories | United States | 0 | 0 | 0 |
| 66273 | AS40516 | Successfactors, Inc. | United States | 0 | 0 | 0 |
| 66274 | AS40517 | GTT Americas, LLC | United States | 0 | 0 | 0 |
| 66275 | AS40529 | — | Canada | 0 | 0 | 0 |
| 66276 | AS40535 | ServPure Incorporated | United States | 0 | 0 | 0 |
| 66277 | AS40537 | Zuckerman Spaeder LLP | United States | 0 | 0 | 0 |
| 66278 | AS40538 | Typepad | United States | 0 | 0 | 0 |
| 66279 | AS40546 | DANIX |  Dominica | 0 | 0 | 0 |
| 66280 | AS40550 | IX Reach Ltd |  United Kingdom | 0 | 0 | 0 |
| 66281 | AS40556 | LOUISVILLE WATER COMPANY | United States | 0 | 0 | 0 |
| 66282 | AS40557 | Salish Kootenai College | United States | 0 | 0 | 0 |
| 66283 | AS40561 | HostPapa | United States | 0 | 0 | 0 |
| 66284 | AS40562 | CLEARMAIL INC. | United States | 0 | 0 | 0 |
| 66285 | AS40563 | Imetrik Global Inc | Canada | 0 | 0 | 0 |
| 66286 | AS40565 | AIRLINE TARIFF PUBLISHING CO | United States | 0 | 0 | 0 |
| 66287 | AS40567 | Occidental Petroleum Corporation | United States | 0 | 0 | 0 |
| 66288 | AS40570 | Vista Print USA, Incorporated | United States | 0 | 0 | 0 |
| 66289 | AS40571 | Maya Virtual, Inc. | United States | 0 | 0 | 0 |
| 66290 | AS40573 | FLASHNET |  St. Martin | 0 | 0 | 0 |
| 66291 | AS40574 | Steege IT Services LLC | United States | 0 | 0 | 0 |
| 66292 | AS40576 | ShawneeLink Corporation | United States | 0 | 0 | 0 |
| 66293 | AS40578 | Vanguard Health Systems | United States | 0 | 0 | 0 |
| 66294 | AS40579 | Towerstream I, Inc. | United States | 0 | 0 | 0 |
| 66295 | AS40580 | Graphic Products Inc. | United States | 0 | 0 | 0 |
| 66296 | AS40582 | VUDU, Inc. | United States | 0 | 0 | 0 |
| 66297 | AS40589 | — | United States | 0 | 0 | 0 |
| 66298 | AS40590 | CISCO SYSTEMS, INC. | United States | 0 | 0 | 0 |
| 66299 | AS40595 | SoftwareWorks Group, Inc. | United States | 0 | 0 | 0 |
| 66300 | AS40597 | IAC Search & Media Inc | United States | 0 | 0 | 0 |