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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 | 23,961 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,159 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 | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 2K |
| — |
| 2 |
| AS22480US | SOCOLO-AS - Beulahland Communications, LLC | 2K | — | 4 |
| AS13482US | ZWEIG-DIMENNA - Zweig-DiMenna Associates, LLC. | 2K | — | 1 |
| AS399589US | 1111-SYSTEMS - 11 11 Systems, Inc | 2K | — | 8 |
| AS397886US | SUPERNET - SUPERNet | 2K | — | 5 |
| AS394581US | BLUESPAN - Bluespan Wireless, LLC | 2K | 65.5K | 9 |
| AS53324US | WILLARD-NET - LOCAL TV AND ELECTRONICS, INC. | 2K | — | 1 |
| AS20038US | ALLENTOWNSD - Allentown School District | 2K | — | 1 |
| AS398192US | ARDOT-NET-01 - Arkansas Department of Transportation | 2K | — | 5 |
| AS26207US | WHDOT-LLC - WHDOT LLC | 2K | — | 7 |
| AS396528US | WEBAIR-CHI - Webair Internet Development Company Inc. | 2K | — | 7 |
| AS3955US | CMPC-2008 - Compucom Systems | 2K | — | 8 |
| AS33213US | BASIN-NET - BASIN 2 WAY RADIO | 2K | — | 8 |
| AS2621US | DNIC-AS-02621 - United States Department of Defense (DoD) | 2K | — | 2 |
| AS19071US | MATCHCOM - Match Group, LLC | 2K | — | 6 |
| AS397463US | WASHINGTON-ISLAND-ELECTRIC-COOP - Washington Island Electric Cooperative, Inc. | 2K | 69.6K | 4 |
| AS397028US | PREMIER-HOLDINGS-LLC - Premier Holdings, LLC. | 2K | — | 3 |
| AS23248US | PPS - Paducah Power System | 2K | 65.5K | 3 |
| AS400US | AFCONC-BLOCK1-AS - Air Force Systems Networking | 2K | — | 1 |
| AS398496US | EAGLEZIP - EagleZip.com LLC | 2K | — | 6 |
| AS40736US | BOSE-CORPORATION-US - Bose Corporation | 2K | — | 8 |
| AS402718US | TUNSLAB - TUNSLAB | 2K | 2 | 7 |
| AS33189US | SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK - South Dakota Board of Regents | 2K | 65.5K | 6 |
| AS54003US | ULS-LLC - Urban Lending Solutions | 2K | — | 2 |
| AS35967US | LAVATRADING-CITI01 - Citigroup Inc. | 2K | — | 8 |
| AS22441US | WHITWORTH-NET - Whitworth University | 2K | — | 5 |
| AS5777US | RIBBON - Ribbon Communications Operating Company, Inc. | 2K | — | 8 |
| AS14143US | RSINET-1 - Rock Solid Internet & Telephone | 2K | — | 1 |
| AS14849US | SCSD-AS - Superior Court of California, County of San Diego | 2K | — | 5 |
| AS47030US | SOUTHERNLINC-PACKETDATA-ASN - SouthernLINC Wireless | 2K | — | 8 |
| AS36440US | TGNA-WCNC - TEGNA Inc. | 2K | — | 8 |
| AS40355US | SUNDANCE-NET - Sundance International LLC | 2K | — | 8 |
| AS30066US | NCL-MIA1 - Norwegian Cruise Line Holdings Ltd. | 2K | — | 8 |
| AS26529US | HILTON-E - Hilton Worldwide Holdings Inc | 2K | — | 2 |
| AS397865US | MORTGAGE-RESEARCH-CENTER - Veterans United Home Loans | 2K | — | 6 |
| AS401920US | MOW-MT - Montana Outback Wireless Inc. | 2K | — | 5 |
| AS21750US | CPOINT-NET-1 - CPOINT | 2K | — | 4 |
| AS394221US | COVESTRO-US-ASN - Covestro LLC | 2K | — | 4 |
| AS27321US | ISC-F-AS - Internet Systems Consortium, Inc. | 2K | 1 | 9 |
| AS400595US | 281-COMMUNICATIONS-CORPARATION-INC - 281 Communications Corporation Inc. | 2K | — | 3 |
| AS64224US | ATINET - ATI Solutions | 2K | 5.1K | 11 |
| AS393339US | CONSILIO - Consilio | 2K | — | 8 |
| AS398996US | CALCAS-CSC - California Casualty Management Company | 2K | — | 2 |
| AS62938US | SKY-VALLEY-NETWORK-LLC - Sky Valley Network | 2K | — | 5 |
| AS397993US | AXA-GROUP-OPERATIONS - AXA GROUP OPERATIONS AMERICAS INC. | 2K | — | 5 |
| AS53283US | LITWARE - Litware LLC | 2K | 65.5K | 10 |
| AS63066US | 7HOOPNETWORK - 7Hoop Network Telecom, LLC | 2K | 6.1K | 7 |