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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 | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| — |
| — |
| 0 |
| AS2010US | INFONET6 - INFONET Services Corporation | — | 1 | 1 |
| AS214085US | JUNIPERCIRCUIT-AS Eugene Lapidous | — | 1 | 1 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS397950US | TRIN-01 - WiseTech Global | — | — | 0 |
| AS19330US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 2 | 2 |
| AS398515US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS29854US | WESTHOST - WestHost, Inc. | — | 65.5K | 1 |
| AS397785US | TISTLASN01 - Tortoise Capital Advisors, L.L.C. | — | — | 0 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS400857US | POLKSTATECOLLEGE - Polk State College | — | — | 0 |
| AS397496US | INMARSAT-GOVERNMENT - Inmarsat Government | — | 1 | 1 |
| AS400763US | AMS-AUX-AUSTIN - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS400144US | GREENSKY-01 - GreenSky, LLC | — | — | 0 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS400969US | PEG-TW-01 - PEG TECH INC | — | — | 0 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS399474US | NIGHTSCPAE-TECH - Nightscape Tech, LLC | — | — | 0 |
| AS398024US | ELEMENT-4-SWGR - Element Four | — | 1 | 1 |
| AS6447US | ROUTEVIEWS - University of Oregon | — | — | 0 |
| AS402270US | SOFTERYX-INC - Softeryx | — | 256 | 1 |
| AS4984US | INGRESS - Ingress Communications, Inc. | — | — | 0 |
| AS6025US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS7135US | KOHALA - Kohala Software | — | — | 0 |
| AS216124US | C-RAM-AS C-Ram Inc. | — | 256 | 1 |
| AS401649US | AS-CYRATECH-LAX - Cyratech Technologies LLC | — | 256 | 1 |
| AS218890US | YuriSystemsLLC Yuri Systems LLC | — | 10 | 10 |
| AS4360US | AGNES-SCOTT - Agnes Scott College | — | — | 0 |
| AS25759US | F4-NETWORKS - Rozint | — | 1 | 1 |
| AS4219US | DNIC-ASBLK-04214-04221 - United States Department of Defense (DoD) | — | — | 0 |
| AS6570US | CNCS - AmeriCorps | — | 256 | 1 |
| AS4264US | CERNET-ASN-BLOCK - California Education and Research Federation Network | — | — | 0 |
| AS202467US | BISMANLAN-AS Nicholas Walz | — | 257 | 2 |
| AS4312US | FYI - FYI Networks | — | — | 0 |
| AS401519US | SUNOAKI-NET-CCH - Sunoaki Network LLC | — | 2 | 2 |
| AS5909US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS210562US | WURZELLOS WURZELLOS LLC | — | 259 | 4 |
| AS5866US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS402801US | ANDRII-NET - Andrii | — | 3 | 3 |
| AS4145US | UPS-AS4145 - UNITED PARCEL SERVICE | — | — | 0 |
| AS402136US | AERENSERVE - Aerenserve Software LLC | — | 3 | 3 |
| AS402565US | JDKL - JDKL | — | 1 | 1 |
| AS50907US | CodeBGP ThousandEyes LLC | — | 1 | 1 |
| AS5684US | GANNETT-NET - Gannett Company, Inc. | — | — | 0 |
| AS26701US | AADS - NCRYPTD LLC | — | 1 | 1 |
| AS5326US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |