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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 1K |
| — |
| 3 |
| AS393290US | TPGROUP - Teleperformance Group, Inc. | 1K | 18 | 4 |
| AS29207US | SHIRE-UK-AS Takeda Pharmaceuticals U.S.A., Inc. | 1K | — | 4 |
| AS401999US | PUBLIC-SAFETY-NET-EXCG - Fairfax County NCR | 1K | — | 4 |
| AS395857US | MIHS - Maricopa Integrated Health System | 1K | — | 3 |
| AS394865US | TPU - Tacoma Public Utilities | 1K | — | 3 |
| AS401231US | WATCH-BROADBAND-TX - Watch Communications | 1K | — | 1 |
| AS30609US | LCPUD - Lewis County PUD | 1K | 65.5K | 2 |
| AS40729US | ECDC2013 - AECOM | 1K | — | 2 |
| AS14645US | AS-CJIS-20 - CJIS-Consortium-20th-Court Administration | 1K | — | 1 |
| AS11346US | LAS-NIDR - PIMCO | 1K | — | 4 |
| AS23160US | HEILIND - Heilind Electronics | 1K | — | 4 |
| AS400769US | FUBOTV-NA-01 - fuboTV Media, Inc | 1K | 4.1K | 5 |
| AS54776US | WEST-ESSEX - West Essex Regional School District | 1K | — | 4 |
| AS16708US | TELCOM-SYSTEMS - Telcom Systems LLC | 1K | — | 1 |
| AS53647US | CARPENTER-TECH - Carpenter Technology Corporation | 1K | — | 4 |
| AS29841US | JACKSON - JACKSON NATIONAL LIFE INSURANCE CO. | 1K | — | 4 |
| AS39979US | POLYGON-IO-NY5 - Polygon.io, Inc | 1K | — | 4 |
| AS33488US | WATECH-1 - Providence Park Medical Building Group, LLC | 1K | — | 1 |
| AS54067US | CSC-ASN - Columbia Sportswear Company | 1K | — | 3 |
| AS5767US | INFINITY - Infinity AccessNET | 1K | — | 1 |
| AS397018US | CLOUDPROPELLER-AS01 - Cloud Propeller | 1K | 4.1K | 5 |
| AS3507US | IPSWAT TEAM - IPSwat LLC | 1K | — | 4 |
| AS17164US | CENTRACAREHEALTHSYSTEM - CentraCare Health | 1K | — | 4 |
| AS11212US | COUNTY-OF-SONOMA - COUNTY OF SONOMA | 1K | — | 3 |
| AS16482US | PEAK10-LOU - Flexential Corp. | 1K | — | 2 |
| AS53662US | COLLIER-COUNTY-SHERIFFS-OFFICE - Collier County Sheriff's Office | 1K | — | 1 |
| AS15190US | CTS-LANGUAGELINK - CTS LanguageLink | 1K | — | 3 |
| AS46457US | ESD112 - ESD 112 | 1K | — | 3 |
| AS5957US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 1K | 1 | 5 |
| AS55175US | CLOUDBURST - RainWorx | 1K | — | 1 |
| AS399224US | PERATON-CORE - PERATON INC. | 1K | 65.5K | 5 |
| AS40800US | VEEAM-US - VEEAM SOFTWARE CORPORATION | 1K | — | 4 |
| AS14005US | DATATECHHOSTING - Data-Tech | 1K | — | 1 |
| AS11501US | VISTAASN - Vista Radiology, P.C. | 1K | — | 3 |
| AS896US | FORTLAB - Fortlab | 1K | — | 4 |
| AS398947US | CABLECOLOR-MIA-01 - CABLE COLOR LLC | 1K | — | 1 |
| AS399656US | ETHX-BIZ - ETHX | 1K | — | 1 |
| AS27227US | DILLARDS-STORE-SERVICES - Dillard's Store Services Inc. | 1K | — | 1 |
| AS394737US | ANTS-TECHNOLOGY - ANTS-Technology | 1K | — | 4 |
| AS14722US | OPUS-INTERACTIVE-TX1 - Opus Interactive | 1K | 4.1K | 2 |
| AS36486US | AMTOTE-AS - AMTOTE INTERNATIONAL, INC. | 1K | — | 1 |
| AS26566US | AS-SJC44NET - Pal Communications LLC | 1K | — | 1 |
| AS400409US | PULSARNET - Pulsar Networks Inc | 1K | — | 4 |
| AS23413US | VM-AW-US - Omnissa, LLC | 1K | — | 4 |
| AS12233US | CACHE-POWERED-BY-NINJA-IX - Ninja-IX Corporation | 1K | 1 | 5 |
| AS14627US | NOIP-VITAL - Vitalwerks Internet Solutions, LLC | 1K | 16 | 4 |