Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,640
- 69.5% of all ASNs
- Routed ASNs
- 53,961
- 61.6% of this type
- IPv4 addresses
- 916.3M
- 26.9% of global
- IPv6 /48s
- 3.58B
- 30.2% of global
Routing data · Oct 24, 2026, 02:18 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 28301 | AS21401 | Borzen |  Slovenia | 512 | 0 | 1 |
| 28302 | AS21434 | clariant |  Switzerland | 512 | 0 | 2 |
| 28303 | AS21516 | Ephrata Community Hospital |  United States | 512 | 0 | 2 |
| 28304 | AS21553 | Aspirus, Inc. | United States | 512 | 0 | 2 |
| 28305 | AS21592 | Multi-View Inc. | United States | 512 | 0 | 2 |
| 28306 | AS21594 | Interstate Battery System of America Inc. | United States | 512 | 0 | 1 |
| 28307 | AS21616 | National Exchange Carrier Association, Inc. | United States | 512 | 0 | 2 |
| 28308 | AS21631 | Colorado Housing and Finance Authority | United States | 512 | 0 | 2 |
| 28309 | AS21695 | — | — | 512 | 0 | 2 |
| 28310 | AS21698 | TurboNet | United States | 512 | 0 | 2 |
| 28311 | AS21714 | URI Telecom Inc | United States | 512 | 0 | 2 |
| 28312 | AS21784 | The Robert W. Woodruff Library of the Atlanta University Center, Inc. | United States | 512 | 0 | 2 |
| 28313 | AS21801 | Jewelers Mutual Insurance Company | United States | 512 | 0 | 2 |
| 28314 | AS21822 | JD Byrider Systems Inc | United States | 512 | 0 | 2 |
| 28315 | AS21849 | CareCentrix, Inc. | United States | 512 | 0 | 3 |
| 28316 | AS21861 | — | — | 512 | 0 | 2 |
| 28317 | AS21876 | The Save Mart Companies | United States | 512 | 0 | 2 |
| 28318 | AS21881 | RAPID RESPONSE MONITORING SERVICES INCORPORATED | United States | 512 | 0 | 3 |
| 28319 | AS21900 | LAW BULLETIN PUBLISHING COMPANY | United States | 512 | 0 | 2 |
| 28320 | AS21912 | Pacific Terrace Hotel | United States | 512 | 0 | 1 |
| 28321 | AS21930 | Informatica LLC | United States | 512 | 0 | 2 |
| 28322 | AS21944 | VelocityNet PR |  Puerto Rico | 512 | 0 | 1 |
| 28323 | AS21946 | iVenture Solutions. LLC | United States | 512 | 0 | 1 |
| 28324 | AS21961 | JBS USA Holdings | United States | 512 | 0 | 2 |
| 28325 | AS21969 | Firstsource Advantage LLC | United States | 512 | 0 | 2 |
| 28326 | AS21970 | PCE Systems | United States | 512 | 0 | 2 |
| 28327 | AS21974 | Frankenmuth Mutual Insurance Company | United States | 512 | 0 | 2 |
| 28328 | AS21982 | Panasonic R & D Company of America | United States | 512 | 0 | 2 |
| 28329 | AS21985 | Masco Contractor Services | United States | 512 | 0 | 2 |
| 28330 | AS22030 | Zipcon LLC | United States | 512 | 0 | 1 |
| 28331 | AS22032 | Ocean Reef Club, Inc. | United States | 512 | 0 | 2 |
| 28332 | AS22035 | SAVE THE CHILDREN | United States | 512 | 0 | 2 |
| 28333 | AS22043 | STERIS Corporation | United States | 512 | 0 | 2 |
| 28334 | AS22048 | Whole Foods Market, Inc. | United States | 512 | 0 | 2 |
| 28335 | AS22083 | Memorial Health Care System | United States | 512 | 0 | 2 |
| 28336 | AS22130 | Doctor's Associates LLC | United States | 512 | 0 | 2 |
| 28337 | AS22151 | Brean Murray & Co., Inc. | United States | 512 | 0 | 2 |
| 28338 | AS22155 | MSA Worldwide, LLC | United States | 512 | 0 | 2 |
| 28339 | AS22156 | Dana Consulting, Inc. | United States | 512 | 0 | 1 |
| 28340 | AS22179 | Links Technology Solutions, Inc. | United States | 512 | 0 | 2 |
| 28341 | AS22187 | Rauland-Borg Corporation | United States | 512 | 0 | 2 |
| 28342 | AS22196 | NeuLion, Inc. | United States | 512 | 0 | 2 |
| 28343 | AS22234 | The Related Companies, Inc. | United States | 512 | 0 | 2 |
| 28344 | AS22246 | Nasdaq, Inc. | United States | 512 | 0 | 2 |
| 28345 | AS22263 | Norman Regional Health System | United States | 512 | 0 | 1 |
| 28346 | AS22266 | KNIGHT TRANSPORTATION | United States | 512 | 0 | 2 |
| 28347 | AS22270 | Bangor Savings Bank | United States | 512 | 0 | 2 |
| 28348 | AS22276 | BankUnited NA | United States | 512 | 0 | 2 |
| 28349 | AS22312 | TECO Energy, LLC | United States | 512 | 0 | 2 |
| 28350 | AS22337 | DVS Solutions | United States | 512 | 0 | 1 |