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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 | 24,346 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 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 | 4,357 |
| — |
| — |
| 0 |
| AS218739US | ORG-OCL44-AS Orbis Connect LLC | — | — | 0 |
| AS219143US | ace-dc-ripe-as-primary Ace Data Centers II, LLC | — | — | 0 |
| AS393237US | AS-DZONE - 6G Networks Inc | — | — | 0 |
| AS393255US | AS-SAFETY-INSURANCE2 - Safety Insurance Company | — | — | 0 |
| AS393345US | CCLSPRNTTWC - Center for Creative Leadership | — | — | 0 |
| AS393354US | TOWNOFHOLLYSPRINGS - Town of Holly Springs | — | — | 0 |
| AS393380US | PRECISIONX - PrecisionX Technology LLC | — | — | 0 |
| AS393509US | INCAP-HOLD-LLC - Incapital Holdings LLC | — | — | 0 |
| AS393519US | INTEGRITYME-ASN - Integrity Medicolegal Enterprises LLC | — | — | 0 |
| AS393558US | ALR - AlerisLife Inc. | — | — | 0 |
| AS393720US | BEMA - BEMA ELECTRONICS, INC. | — | — | 0 |
| AS393774US | NNB-ASN - Nicolet National Bank | — | — | 0 |
| AS393855US | AS-BYO - Wan | — | — | 0 |
| AS393870US | WMPL-1 - Ascend | — | — | 0 |
| AS393874US | DROPBOXC - Dropbox Inc | — | — | 0 |
| AS394008US | DBI-AS - Wex Health, Inc. | — | — | 0 |
| AS394150US | WH01 - Wex Health, Inc. | — | — | 0 |
| AS394162US | VSD-LAS - Victoria's Secret | — | — | 0 |
| AS394267US | AS394267 - Cayuse Holdings LLC | — | — | 0 |
| AS394455US | DURACELL - Duracell | — | — | 0 |
| AS394480US | EMA-SD - eMoney Advisor | — | — | 0 |
| AS394502US | CTG - Century Technology Group, Inc. | — | — | 0 |
| AS394544US | PROD2 - Stratos Global Services, LLC | — | — | 0 |
| AS394726US | TRAVELPORT - Travelport Operations, Inc. | — | — | 0 |
| AS394783US | WAFD - Washington Federal | — | — | 0 |
| AS394860US | MERCOLA-3200 - Mercola Consulting Services LLC | — | — | 0 |
| AS394983US | AA-713-ASN - ADAMS AND ASSOCIATES INC | — | — | 0 |
| AS395014US | WELLS-ASN1 - Wells College | — | — | 0 |
| AS395033US | FIBERDROPLLC - fiberdrop, LLC | — | — | 0 |
| AS395052US | FLAPJACKS - Flapjacks LLC | — | — | 0 |
| AS395059US | BLUESTEMFIBER - Nextlink Broadband | — | — | 0 |
| AS395330US | KANTOCORP-OREGON - Kanto Corporation | — | — | 0 |
| AS395380US | GLAUKOS - Glaukos Corporation | — | — | 0 |
| AS395419US | JPMORGAN-AS395419-MCX - JPMorgan Chase & Co. | — | — | 0 |
| AS395429US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS395497US | AQUASYS - Aquasys, LLC | — | — | 0 |
| AS395683US | INVESTCLOUD - InvestCloud, Inc | — | — | 0 |
| AS395718US | GCI-B - GENERAL COMMUNICATION, INC. | — | — | 0 |
| AS395764US | SCOTT1980 - Charles Schwab & Co., Inc. | — | — | 0 |
| AS395819US | ASN-TELECLOUDVOIP - TeleCloud | — | — | 0 |
| AS395833US | DORG-01 - DiscoverOrg, LLC | — | — | 0 |
| AS395840US | NATIONAL-ENTERPRISES-SYSTEMS - NES National Enterprise Systems | — | — | 0 |
| AS395941US | EAGLE-TECH - Eagle Technologies Incorporated | — | — | 0 |
| AS396147US | FREMIX-RS - Cloudie Networks LLC | — | — | 0 |
| AS396244US | SINGLEWIRESOFTWARENET1 - Singlewire Software, LLC | — | — | 0 |
| AS396300US | CORESITE-RETIRED - CoreSite | — | — | 0 |