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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. | 218.2M | 25,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,306 |
| 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.
32,232 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 | 51.6M | 3,897 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,005 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| RENDER - Render |
| 512 |
| — |
| 2 |
| AS401730US | BEACONBAYTECHNOLOGIES - Beacon Bay Technologies Inc | 512 | — | 2 |
| AS36572US | WPBF-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS47010US | LG-03279 - Liggett Group LLC | 512 | — | 2 |
| AS25699US | WILSONART-INTL - Wilsonart International | 512 | — | 2 |
| AS398866US | INTERBANK-01 - InterBank | 512 | — | 2 |
| AS394040US | WELLS-ENTERPRISES - Wells Enterprises, Inc. | 512 | — | 2 |
| AS53769US | BBKLAW - Best Best & Krieger LLP | 512 | — | 2 |
| AS33377US | FHLBC - Federal Home Loan Bank of Chicago | 512 | — | 2 |
| AS394623US | AHA-MH-BGP - American Hospital Association | 512 | — | 2 |
| AS393971US | MLKJAMHC - Martin Luther King Jr., Healthcare Corporation | 512 | — | 2 |
| AS396276US | CAGE-CUBE-518 - Cage Cube Technologies, Inc. | 512 | — | 2 |
| AS54906US | BENCODENTAL - Benco Dental Company | 512 | — | 2 |
| AS396505US | EMC - ENLOE MEDICAL CENTER | 512 | — | 1 |
| AS32642US | NICMAN - NICMAN GROUP LLC | 512 | — | 2 |
| AS14293US | UNI-EDGE - UniEdge Networks LLC | 512 | — | 2 |
| AS18729US | SHAWMUT - Shawmut Design & Construction | 512 | — | 2 |
| AS19670US | CUSTOMCOMPUTERSPECIALISTS - Custom Computer Specialists, Inc. | 512 | — | 2 |
| AS32052US | SULLCROM - SULLCROM | 512 | — | 2 |
| AS27149US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 512 | — | 2 |
| AS5790US | NETMARKET - Trilegiant Corporation | 512 | — | 2 |
| AS16996US | TARRANTCOUNTYTX-GOV - Tarrant County | 512 | — | 2 |
| AS23406US | CHOATEHALLSTEWART - CHOATE, HALL & STEWART, LLP | 512 | — | 2 |
| AS35872US | FREEDOM-PHL-AS - FreedomPay, Inc. | 512 | — | 2 |
| AS22230US | NETDOCUMENTS-US - NetDocuments | 512 | — | 2 |
| AS401700US | JOY-LABS-VENTURES - Joy Labs Ventures LLC | 512 | — | 1 |
| AS395442US | HERITAGEBANK - Heritage Bank | 512 | — | 2 |
| AS36578US | WISN-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS36569US | KMBC-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS27360US | KWIKTRIP-AS - Kwik Trip Inc. | 512 | 16 | 3 |
| AS40338US | B-F - Brown-Forman Corporation | 512 | — | 1 |
| AS32713US | GE-CI-LOUACCESS - General Electric Consumer Products | 512 | — | 2 |
| AS25806US | RALEYNET - Raley's | 512 | — | 2 |
| AS33297US | VEGAS - Sumofiber | 512 | 2 | 4 |
| AS31844US | HOLDBROTHERS - Tafferer Trading LLC | 512 | — | 2 |
| AS54525US | AGT01 - APPLIED GLOBAL TECHNOLOGIES, LLC | 512 | — | 1 |
| AS208379US | APTN The Associated Press | 512 | — | 2 |
| AS400447US | APOG-WAYLAND - Apogee Telecom Inc. | 512 | — | 2 |
| AS47016US | EXTRON-ELECTRONICS - Extron Electronics | 512 | — | 2 |
| AS19691US | 888-US - 888 US Inc. | 512 | — | 2 |
| AS53572US | HNB - Hookers and Blow | 512 | — | 2 |
| AS1077US | ACTIVEPURE-TECH-01 - ActivePure Technologies, LLC | 512 | — | 2 |
| AS11128US | BERRY-2-ASN - Berry College | 512 | — | 2 |
| AS40710US | CLC-98-ILLINOIS - College of Lake County | 512 | — | 2 |
| AS396014US | TSG - TSG Resources, Inc. | 512 | — | 2 |
| AS32630US | PCI-DB - Patterson Companies, Inc. | 512 | — | 2 |
| AS11929US | MFAOIL - MFA Oil Company | 512 | — | 2 |