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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 | 24,358 |
| 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 | 4,342 |
| 768 |
| 1 |
| 4 |
| AS397067US | VFOREGONLLC - VFOregon LLC | 768 | 1 | 3 |
| AS206646US | EHI-LDE-AS Enterprise Holdings, Inc. | 768 | — | 3 |
| AS30402US | GLCNET - Global Link Communications Limited | 768 | — | 3 |
| AS53973US | FREEPOINT-COMMODITIES - Freepoint Commodities, LLC | 768 | — | 3 |
| AS23233US | FENWICK - Fenwick & West, LLP. | 768 | — | 3 |
| AS393235US | LERETA-LLC - LERETA, LLC | 768 | — | 3 |
| AS22310US | LOI - LIFE Outreach International | 768 | — | 3 |
| AS29923US | NPC-AS-1 - Northland Pioneer College | 768 | — | 3 |
| AS19160US | ATGL-AS - Apex Tool Group LLC | 768 | — | 3 |
| AS13816US | VIGTECHAS01 - Vigilant Technologies | 768 | — | 2 |
| AS394569US | REACHMAILAR011 - ReachMail Inc. | 768 | — | 3 |
| AS35910US | LOVES-TRAVEL-STOPS - Love's Travel Stops & Country Stores Inc. | 768 | — | 2 |
| AS395605US | SECURUSTECH - Securus Technologies, Inc | 768 | — | 2 |
| AS398249US | ALI-01 - Airlink Internet, Inc. | 768 | — | 2 |
| AS11124US | FRIEDKIN - Friedkin Companies, Inc. | 768 | — | 3 |
| AS54131US | OKLAHOMA-HEART-HOSPITAL - Oklahoma Heart Hospital, LLC | 768 | — | 3 |
| AS11782US | AS-PERFECTO - Perfecto Mobile Inc | 768 | — | 2 |
| AS32397US | OCHIN-PDX - OCHIN, INC | 768 | — | 3 |
| AS402438US | VIYU-NETWORK-SOLUTIONS - Viyu | 768 | — | 2 |
| AS55164US | PLUS-1 - Plus Analytics, LLC | 768 | — | 3 |
| AS21938US | YAMAHA-DEALERS - YAMAHA MOTOR CORPORATION, U.S.A | 768 | — | 3 |
| AS63105US | NEILL-BTR - Neill Corporation | 768 | — | 3 |
| AS16778US | CCHCS-2-ASN-1 - Cook Children's Health Care System | 768 | — | 2 |
| AS400613US | APOG-STVC - Apogee Telecom Inc. | 768 | — | 2 |
| AS17365US | CITY-OF-FRESNO - City of Fresno | 768 | — | 3 |
| AS11160US | COSTAR-SANDIEGO - COSTAR GROUP Inc. | 768 | — | 3 |
| AS395572US | CLEARWINDS - Clear Winds Technologies Incorporated | 768 | — | 3 |
| AS396421US | PAN0002 - PALO ALTO NETWORKS | 768 | — | 3 |
| AS55117US | LVSCU - Long View Systems Corporation (USA) | 768 | — | 3 |
| AS395227US | CLAYTON - CMH Services Inc. | 768 | — | 3 |
| AS29935US | COTNET - City of Tampa, Florida | 768 | — | 3 |
| AS401911US | MTRX - MAETRIX COMMUNICATIONS, LLC. | 768 | 4.1K | 3 |
| AS397942US | RUBRIK-INC - Rubrik Inc | 768 | 4.1K | 3 |
| AS21729US | CROWN-EQUIPMENT - Crown Equipment Corporation | 768 | — | 2 |
| AS397156US | PGEC - RURALBAND | 768 | 4.1K | 4 |
| AS46926US | 555-WEST-HASTINGS-STREET - Payment Processing Inc. | 768 | — | 3 |
| AS394792US | RAYUS-AS - RAYUS Radiology | 768 | — | 3 |
| AS27330US | EQUINIX-EC-AT - Equinix, Inc. | 768 | 1 | 4 |
| AS11785US | E8-CORE-01 - Element 8 Internet | 768 | — | 2 |
| AS15358US | AEL-INET - American Equity Investment Life Insurance Company | 768 | — | 2 |
| AS393777US | DIGIARCH - State of WA Secretary of State | 768 | — | 2 |
| AS395060US | MACMILLAN-PUBLISHERS - Macmillan Publishers Inc | 768 | — | 3 |
| AS15263US | GALLUP1 - Gallup | 768 | — | 3 |
| AS399544US | PEOPLENTECH-LLC - PeopleNTech, LLC | 768 | 51 | 54 |
| AS12185US | ASN1 - Thompson, Siegel & Walmsley LLC | 768 | — | 3 |
| AS399503US | AMERICOM - Dice Carrier Services LLC | 768 | 4.1K | 37 |