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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,129 |
| 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 |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,664 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,947 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,375 |
| 1K |
| 65.5K |
| 2 |
| AS19780US | AS-INTERMEDIA2 - Intermedia.net, Inc. | 1K | — | 2 |
| AS1035US | KMB4 - Kimberly-Clark Corporation | 1K | — | 3 |
| AS397121US | KAMAN-AS-1 - Kaman Corporation | 1K | — | 4 |
| AS397011US | US-TX-UCAAS-XCHANGE-FW - Mavenir Systems, Inc. | 1K | — | 4 |
| AS15088US | FNG - First Network Group Inc | 1K | 17 | 3 |
| AS33273US | CURRENT-HIGH-SPEED - Current Inc. | 1K | 256 | 2 |
| AS11360US | ELECFORIMAG - Electronics for Imaging, Inc. | 1K | — | 4 |
| AS201573US | KANDYKSF Skyvera LLC | 1K | — | 4 |
| AS12158US | ILLUMINA - ILLUMINA, INC. | 1K | — | 3 |
| AS396862US | NMHS - Nebraska Methodist Health System, Inc. | 1K | — | 3 |
| AS53548US | ORCASONLINE1 - Orcas Online, Inc | 1K | — | 4 |
| AS26053US | SYMPHONYRETAILAI - Symphony Retail AI | 1K | — | 1 |
| AS398357US | ETHNC-ASN - Ethernic LLC | 1K | — | 4 |
| AS23094US | YELLOWBOOK - hibu inc. | 1K | — | 4 |
| AS53944US | JJT-GULFTECH - J & J Telecommunications | 1K | — | 1 |
| AS36858US | NMSTN - Office of Broadband Access and Expansion | 1K | 65.5K | 5 |
| AS36533US | 698ALEX - Computer Solutions | 1K | — | 1 |
| AS400911US | FAO-PHIRE - PhireLink | 1K | — | 1 |
| AS18562US | HAWTHORNE - Hawthorne Residents Cooperative Association Inc | 1K | — | 1 |
| AS30013US | PIXAR-AS - Pixar | 1K | 3 | 7 |
| AS11354US | CAROLINAS-HEALTHCARE-SYSTEM - Carolinas Healthcare System | 1K | — | 2 |
| AS40335US | WBTSNY-AS - Watchtower Bible and Tract Society of New York, Inc. | 1K | 65.5K | 2 |
| AS394620US | VCSVCS - VCSVCS Inc | 1K | — | 4 |
| AS40886US | PRAC - Plymouth Rock Assurance Corporation | 1K | — | 4 |
| AS40481US | G3-ASN-1 - G3 Group | 1K | — | 1 |
| AS55025US | BLUEZONE-ISP - BLUEZONE INTERNET INC | 1K | — | 4 |
| AS13382US | BSG-ORD - Business Solutions Group, LLC | 1K | 256 | 2 |
| AS23043US | ROVER-WIRELESS - Rover Wireless Corporation | 1K | — | 1 |
| AS1443US | SUPERCOOPER01 - CooperVision, Inc. | 1K | — | 1 |
| AS53251US | LIBERTY-PR-CORP-IT - Liberty Communications of Puerto Rico LLC | 1K | — | 1 |
| AS30132US | ISC-F-AS - Internet Systems Consortium, Inc. | 1K | 2 | 6 |
| AS398172US | SIRIUSXM-CV - Sirius XM Connected Vehicle Services Inc. | 1K | — | 4 |
| AS46099US | KHENET - Kaplan Higher Education Corporation | 1K | — | 1 |
| AS40222US | CREDIT-ONE-AS - Credit One Bank | 1K | — | 4 |
| AS10908US | CLOUDFLOORAS-0 - CloudfloorDNS | 1K | 4 | 8 |
| AS55281US | ECHO-GLOBAL - Echo Global Logistics | 1K | — | 4 |
| AS4393US | TIME-INC - Meredith Corp. | 1K | — | 4 |
| AS397720US | NOVUS-INSIGHT - Novus Insight | 1K | 68 | 12 |
| AS54549US | VIP-FIBER - City of Vallejo, A municipal corporation | 1K | 65.5K | 4 |
| AS393486US | APOG-MUOP - Apogee Telecom Inc. | 1K | — | 3 |
| AS399012US | DART-ASN - Des Moines Regional Transit Authority (DART) | 1K | — | 3 |
| AS28688US | MINDSHARE-AS WPP Group USA, Inc. | 1K | — | 3 |
| AS36289US | VALORCHRISTIANHIGHSCHOOL-01 - Valor Christian High School | 1K | 4.1K | 2 |
| AS32386US | FASTNET-WIRELESS-LLC - Fastnet Wireless LLC | 1K | — | 1 |
| AS22171US | IPSV-ASN1 - IP Services | 1K | — | 1 |
| AS13724US | MFS-BOS-PHX - Massachusetts Financial Services | 1K | — | 4 |