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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,189 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,241 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 228 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 372 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,656 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,936 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,378 |
| 1.8K |
| 2 |
| 8 |
| AS372US | AS372 - National Aeronautics and Space Administration | 1.8K | — | 5 |
| AS398929US | CLL - Loma Linda Connected Community Program | 1.8K | — | 6 |
| AS30398US | AS-ADS - Automated Data Systems | 1.8K | — | 4 |
| AS3653US | HBAL-2-3653 - House of Ben Avraham LLC | 1.8K | 4.1K | 4 |
| AS399510US | GEODIS-AMS - Geodis Logistics LLC | 1.8K | — | 7 |
| AS19054US | NATHNETWORK-ASN - Nath Network & Telecom Inc | 1.8K | 2 | 9 |
| AS20019US | PEC-TEL - Parwan Electronics Corporation | 1.8K | — | 7 |
| AS14931US | STA-AS - The St. Paul Travelers Companies, Inc. | 1.8K | — | 6 |
| AS19367US | CAROUSEL-INDUSTRIES - Carousel Industries of North America, LLC | 1.8K | — | 7 |
| AS399888US | WIRECAT-LLC - WireCat LLC | 1.8K | 261 | 13 |
| AS53332US | C2HOSTING-01 - C2Hosting, LLC | 1.8K | — | 3 |
| AS4543US | TIMESNET - The New York Times Company | 1.8K | — | 7 |
| AS54749US | JASPIN - Jaspin Interactive, Inc. | 1.8K | — | 4 |
| AS396839US | TEKTONIC-PHL - TekTonic | 1.8K | 1 | 6 |
| AS393499US | ONLINE-TECH-LLC3 - Otava, LLC | 1.8K | — | 4 |
| AS10587US | FIBERPIPE - Fiberpipe Inc. | 1.8K | 65.5K | 4 |
| AS22002US | SYSTEMS-SOLUTIONS-OF-PADUCAH-INC - Systems Solutions of Paducah, Inc. | 1.8K | — | 7 |
| AS394142US | AVIDBIT-SLC - AvidBit | 1.8K | — | 7 |
| AS14791US | NTS-DENISON-01 - Vexus Fiber | 1.8K | — | 3 |
| AS399885US | EVANS-SUTHERLAND-ASN - Evans & Sutherland Computer Corporation | 1.8K | — | 7 |
| AS402252US | FSTCLOUD-2 - FSTcloud | 1.8K | — | 7 |
| AS40059US | CBCCTS-HQNET - Community Blood Center | 1.8K | — | 4 |
| AS21799US | MWDSC - Metropolitan Water District of Southern California | 1.8K | — | 7 |
| AS14011US | DESIGNDATA - Design Data Systems, Inc. | 1.8K | — | 6 |
| AS393362US | CDC-01 - Central Dynamics | 1.8K | — | 6 |
| AS20034US | FIRST-NATIONAL-TECHNOLOGY-SOLUTONS - First National Technology Solutions, Inc. | 1.8K | — | 4 |
| AS40169US | USABROAD - USABROAD INC. | 1.8K | — | 7 |
| AS395898US | TND - TND, LLC | 1.8K | 4 | 11 |
| AS21758US | MODINE-MANUFACTURING - Modine Manufacturing Company | 1.8K | — | 6 |
| AS2143US | AS2143 - National Aeronautics and Space Administration | 1.8K | — | 3 |
| AS12156US | AURORA-COLORADO - City of Aurora Colorado | 1.8K | — | 6 |
| AS46502US | SYNCWAVE-499 - SyncWave, LLC | 1.8K | — | 3 |
| AS36742US | DATA-INTENSITY - Data Intensity, LLC | 1.8K | — | 7 |
| AS10325US | INGRAMMICRO - Ingram Micro Inc. | 1.8K | — | 4 |
| AS53975US | WAM - WESTERN ASSET MANAGEMENT COMPANY | 1.8K | — | 7 |
| AS395723US | LIGHTSPEEDHOSTING1 - LightSpeed Hosting | 1.8K | 4.1K | 5 |
| AS63044US | CMC - Commercial Metals Company | 1.8K | — | 7 |
| AS22481US | AVSGIA-AS - Encore Group (USA) LLC | 1.8K | — | 7 |
| AS397893US | OTZ-1 - OTZ Telecommunications, LLC | 1.8K | — | 7 |
| AS394898US | HCDL-PITTSBURGH-DATA-CENTER - H5 Data Centers | 1.8K | 256 | 8 |
| AS134537US | ATT-NBE-US - ATT NBE Equinix Seattle | 1.8K | 2 | 9 |
| AS36221US | ESOSOFT - Esosoft Corporation | 1.8K | 8 | 15 |
| AS26280US | POLARIS - Polaris Industries, Inc. | 1.8K | — | 7 |
| AS400686US | WWEST-CORE-GRWA-01 - WAHKIAKUM WEST TELEVISION, INC. | 1.8K | 65.6K | 10 |
| AS36829US | AS-WINSTRI - Winstri Corporation | 1.8K | 6 | 13 |
| AS10694US | MONST-2AS - Monster Worldwide, Inc. | 1.8K | — | 5 |