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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 |
| SKYCOM1 - SKYCOM1 |
| 2K |
| 65.5K |
| 9 |
| AS393665US | BAKERS - Baker College | 2K | — | 1 |
| AS14019US | PARMTECH - PTC INC. | 2K | — | 2 |
| AS64204US | TTEK-12 - TETRA TECH, INC. | 2K | — | 8 |
| AS397696US | WESTNETWORKS-GNV-FL-01 - West Networks LLC | 2K | — | 8 |
| AS395162US | MOD-PTC - Markit On Demand, Inc. | 2K | — | 8 |
| AS25851US | ALTIUS-FL-AS - ALTIUS Broadband, LLC | 2K | — | 2 |
| AS606US | SCHAT-AS - schat.net | 2K | — | 5 |
| AS402165US | BROWSERSTACK INC - Browserstack, Inc. | 2K | — | 8 |
| AS31981US | BLUETOWERHOSTING-ASN - BlueTower Hosting LLC | 2K | — | 1 |
| AS25937US | TRANS-VIDEO - Trans-Video, Inc. | 2K | — | 1 |
| AS22418US | COLOG - Cologuard | 2K | 1 | 6 |
| AS54507US | ACCESSBROADBAND - Access Broadband | 2K | — | 1 |
| AS400727US | CVEC-ISP - Concho Valley Electric Cooperative, Inc. | 2K | 65.5K | 3 |
| AS54811US | AS-ASN-3 - Nasdaq, Inc. | 2K | — | 6 |
| AS32755US | SRHS-205 - Spartanburg Regional Health Services District, Inc. | 2K | — | 3 |
| AS17059US | MTNBEAM-001 - Almendras Communications LLC | 2K | — | 5 |
| AS400218US | CHEROKEE-NATION-GOV - Cherokee Nation Government | 2K | — | 6 |
| AS398056US | VERITIV-ASN1 - Veritiv Operating Company | 2K | — | 8 |
| AS46209US | GHC911 - GHC911 | 2K | 65.5K | 6 |
| AS29906US | WESTAT-AS1 - Westat, Inc. | 2K | 1 | 9 |
| AS26181US | NCPRPDC-NCI - North Central Pennsylvania Regional Planning and Development Commission | 2K | — | 1 |
| AS27646US | COPART - Copart, Inc | 2K | — | 6 |
| AS395993US | LBINTERNET - LightBeam Internet | 2K | — | 2 |
| AS18905US | YOURO-18905 - YOUR.ORG, INC. | 2K | — | 1 |
| AS32326US | IDEMIA-IDENTITY-AND-SECURITY-USA-LLC - Idemia Civil Identity NA LLC | 2K | — | 8 |
| AS53986US | COFFEYVILLECONNECTION - Coffeyville Connection | 2K | — | 1 |
| AS20289US | AS-ISGNOC - ISG Technology | 2K | — | 8 |
| AS399631US | STREAMICAN - StreamICan | 2K | — | 8 |
| AS40377US | TECHSTREAM - TECH STREAM | 2K | — | 1 |
| AS393769US | LEANDER-ISD-AS1 - Leander Independent School District | 2K | — | 3 |
| AS10360US | AARP - AARP | 2K | — | 8 |
| AS396246US | WF-MAIN-ASN - WHITEFIBER HPC, INC. | 2K | — | 3 |
| AS394400US | HEARST-SC9 - Hearst Corporation | 2K | — | 5 |
| AS40585US | SCC - SCC Soft Computer | 2K | — | 4 |
| AS10327US | WATEEFY - ComputerLand of Boise | 2K | — | 1 |
| AS27595US | COLUM-600 - Columbia College Chicago | 2K | — | 2 |
| AS396904US | QUALISPACE-ASN - QualiSpace Inc | 2K | — | 8 |
| AS19107US | YMAX-AS - Ymax Communications Corp | 2K | — | 8 |
| AS398089US | LYNX-01 - Raven Rock Networks, Inc. | 2K | 29 | 34 |
| AS55079US | STELLANET - Third Gear Networks | 2K | 8 | 16 |
| AS16642US | WPP-ET-CAMPUS-ZURICH - The Ogilvy Group, LLC | 2K | — | 5 |
| AS46370US | GRANDWEB - Grand Web Solutions, Inc. | 2K | — | 8 |
| AS396207US | STSS-BEDMINSTER-ASN - Mallinckrodt Enterprises LLC | 2K | — | 8 |
| AS401224US | T1NETWORK - T1 Network LLC | 2K | — | 8 |
| AS40633US | LAIX - LOS ANGELES INTERNET EXCHANGE | 2K | — | 2 |
| AS8928US | INTEROUTE GTT Communications Inc. | 2K | — | 1 |