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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 | 23,924 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| 4.4K |
| — |
| 6 |
| AS53597US | HOYOS-CONSULTING-LLC - Hoyos Consulting LLC | 4.4K | 78.3K | 13 |
| AS32768US | MOBIUS-COMMUNICATIONS-NE - HEMINGFORD TELEPHONE | 4.4K | — | 2 |
| AS400405US | FORT-DODGE-FIBER - Fort Dodge Fiber | 4.4K | 65.5K | 4 |
| AS17348US | FULLS-2-AS - FULL SPECTRUM COMMUNICATIONS, INC. | 4.4K | — | 10 |
| AS3585US | AS3585 - TE Connectivity Corporation | 4.4K | — | 17 |
| AS31871US | GRACELANDUNIVERSITY - Graceland University | 4.4K | — | 2 |
| AS14368US | BRAZOS-INTERNET - Brazos Internet | 4.4K | — | 2 |
| AS14834US | UIS-AS - University of Illinois at Springfield | 4.4K | 1 | 3 |
| AS22324US | XTEL - XTEL Communications | 4.4K | — | 5 |
| AS398536US | FRC-BROADBAND-01 - Farmers Rural Connect, Inc. | 4.4K | — | 7 |
| AS30673US | NTHRIVE-ASN01 - Finthrive, Inc. | 4.4K | — | 10 |
| AS397038US | BROWARD-COLLEGE-01 - Broward College | 4.4K | — | 6 |
| AS26732US | WAGNER-COLLEGE - Wagner College | 4.4K | — | 2 |
| AS53684US | CWAS02 - Centre WISP Venture Company | 4.4K | — | 4 |
| AS11667US | WESTEL-ASN1 - Westel, Inc. | 4.4K | — | 8 |
| AS399597US | BOLD-WJC - Apogee Telecom Inc. | 4.4K | 1 | 3 |
| AS23081US | VENTURETECHNOLOGIES - CONVERGEONE HOLDINGS, INC. | 4.4K | — | 2 |
| AS394326US | GOLDEN-VALLEY-CABLE - Route 66 Broadband LLC | 4.4K | — | 12 |
| AS32331US | FIVEPOINT NETWORKS - FivePoint Networks, LLC | 4.4K | — | 5 |
| AS14926US | KYN-GTS - Kyndryl | 4.4K | — | 2 |
| AS1449US | PAYPAL-CORP - PayPal, Inc. | 4.4K | — | 17 |
| AS401734US | LANTASTIC - LANtastic Internet | 4.4K | 65.5K | 3 |
| AS19473US | SWAU - Southwestern Adventist University | 4.4K | 1 | 3 |
| AS19927US | NHMCCD - Lone Star College System District | 4.4K | — | 11 |
| AS33359US | COWEN-AS-3 - COWEN EXECUTION SERVICES LLC. | 4.4K | — | 14 |
| AS30417US | BTIG-LLC - BTIG LLC | 4.4K | — | 14 |
| AS40844US | WINN-DIXIE - Winn-Dixie Stores, Inc. | 4.4K | — | 17 |
| AS26958US | ONCOR-1 - Oncor Electric Delivery Company, LLC | 4.4K | — | 8 |
| AS17098US | BROWNRICE-INTERNET-1 - Brownrice Internet, Inc. | 4.4K | 65.5K | 10 |
| AS396955US | INTERNET2-BLEND - Internet2 | 4.4K | 270 | 31 |
| AS397032US | SPARKED - SPARKED HOST LLC | 4.4K | 5 | 22 |
| AS17137US | HAWKEYE-SYNIVERSE - Hawkeye Switching LLC. | 4.4K | — | 7 |
| AS10844US | VASTNET - Vastnet Corp | 4.4K | — | 4 |
| AS16667US | MGMRI-AS - MGM Resorts International Operations, Inc. | 4.4K | — | 10 |
| AS19368US | THRIVE-SNS-COLO - Thrive Operations, LLC | 4.4K | — | 4 |
| AS62833US | HUDSONFIBERNET - Hudson Fiber Network, Inc | 4.4K | 65.5K | 23 |
| AS19157US | CHARTER-19157-DC - Charter Communications LLC | 4.4K | — | 10 |
| AS399469US | RELIABLE-NETS - Reliable Nets LLC | 4.4K | — | 2 |
| AS5982US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 4.4K | — | 2 |
| AS254US | OPENTEXT - Attachmate Corp. | 4.4K | 1 | 9 |
| AS397394US | GCBB - Gold Coast Broadband | 4.4K | — | 17 |
| AS396312US | FHC - Richmond Memorial Hospital | 4.4K | — | 2 |
| AS10320US | ISPN - Internet Services Provider Network | 4.4K | 65.5K | 3 |
| AS400066US | FRIB-01 - Michigan State University | 4.4K | 2 | 4 |
| AS18647US | ACCEL-AS - Accel Net, Inc. | 4.4K | — | 2 |
| AS13524US | ARROW-ELECTRONICS - Arrow Electronics | 4.4K | — | 15 |