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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 768 |
| — |
| 3 |
| AS398388US | ELAUWIT-CONNECTION - Elauwit Connection Inc. | 768 | — | 3 |
| AS394714US | DRC - Data Recognition Corporation | 768 | — | 3 |
| AS55217US | TRIWEST-HA-DC1 - TRIWEST HEALTHCARE ALLIANCE | 768 | — | 2 |
| AS54226US | SUNY-OPTOMETRY - SUNY College of Optometry | 768 | — | 3 |
| AS54321US | COMPUTEX - ENETSolutions L.L.C | 768 | — | 3 |
| AS12082US | NWN-CORPORATION - NWN Corporation | 768 | — | 3 |
| AS15229US | EDFTNA - EDF Trading North America, LLC | 768 | — | 3 |
| AS402452US | LX-AER - LX | 768 | 65.5K | 4 |
| AS40420US | SILVERLINESOLUTIONSINC - Silverline Solutions INC. | 768 | — | 2 |
| AS13955US | ECHO-UPLINKDATA-COM - Echostar Broadcasting Corporation | 768 | — | 3 |
| AS63116US | BAKER-DONELSON - Baker, Donelson, Bearman, Caldwell & Berkowitz, PC | 768 | — | 3 |
| AS46854US | KONAM - Konami Gaming, Inc. | 768 | — | 3 |
| AS26686US | RCL-262-26686 - RedBaron Consulting, LLC | 768 | — | 2 |
| AS62538US | IPFAIL - ipFail Networks | 768 | 131.1K | 5 |
| AS393958US | CUSHWAKE-AMER2 - Cushman & Wakefield | 768 | — | 3 |
| AS46550US | LOGICORP - Logitech Inc | 768 | 16 | 3 |
| AS4892US | APPLIEDUK-CLOUD-04 - APPLIED SYSTEMS, INC | 768 | — | 3 |
| AS53922US | THRIVE-C1 - Thrive Operations, LLC | 768 | — | 3 |
| AS22434US | FUC-AS-22434 - Finastra USA Corporation | 768 | — | 3 |
| AS25644US | LINUXSQUARE - Linux Square | 768 | 768 | 6 |
| AS6598US | WIREDWATERS - Wired Waters, Inc. | 768 | — | 2 |
| AS396173US | SWA-W11-MKT-INET - Southwest Airlines Co. | 768 | — | 3 |
| AS401291US | ROBINSONHSS - RobinsonHSS | 768 | 256 | 3 |
| AS400541US | RIDGELINE - Ridgeline International, LLC | 768 | 768 | 6 |
| AS40527US | CU-CR-AS - CONSUMERS UNION OF UNITED STATES, INC. | 768 | — | 3 |
| AS807US | FORKSYSTEMS - FORK SYSTEMS | 768 | 1 | 4 |
| AS54413US | FPKI-AS - General Services Administration | 768 | 2 | 5 |
| AS62735US | LA-CARE-ASN - L.A. CARE COMMUNITY HEALTH | 768 | — | 3 |
| AS401395US | ASN-BYO-DEMO - Amazon Technologies, Inc. | 768 | — | 2 |
| AS7289US | AS-QT - QuantaRa Tech LLC | 768 | 5.8M | 14 |
| AS18760US | AS18760 - City of Rancho Cucamonga | 768 | — | 3 |
| AS54690US | CLU - California Lutheran University | 768 | — | 3 |
| AS20457US | VERDINET-AS-01 - Verdinet LLC | 768 | — | 2 |
| AS394321US | NISC-AS01 - National Information Solutions Cooperative, Inc | 768 | — | 3 |
| AS393374US | TEGNA-CORP-EAST1 - TEGNA Inc. | 768 | — | 3 |
| AS13464US | CPLP-ASN - Centerbridge Partners, L.P. | 768 | — | 3 |
| AS400773US | BOSTON-FIBER - Boston Fiber LLC | 768 | 1 | 5 |
| AS399103US | SPRY-WIRELESS-02 - Spry Wireless Communications Inc | 768 | — | 2 |
| AS14473US | I3ASN1-200E - Inside The Internet, Inc | 768 | — | 2 |
| AS54485US | PCOM-EDU - Philadelphia College of Osteopathic Medicine | 768 | — | 3 |
| AS23545US | CENTRICFL-ASN - Centric Fiber Florida, LLC | 768 | 65.5K | 4 |
| AS395155US | JMSMUCKER - The J. M. Smucker Co. | 768 | — | 3 |
| AS19868US | AS-UL-LV - UnitedLayer, LLC | 768 | — | 3 |
| AS400806US | CLEARLYIP-CA - Clearly IP Inc | 768 | 1 | 3 |
| AS395423US | AOFL - Age of Learning, Inc. | 768 | 16 | 3 |
| AS25837US | DATALINK-IT - DATALINK INFORMATION TECHNOLOGIES INC. | 768 | — | 2 |