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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 | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| 321 |
| 3 |
| AS399297US | PARALLAX-NET - Parallax | — | 1 | 1 |
| AS216250US | BENIOF-NET Benjamin Iofel | — | 16 | 1 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 82 | 4 |
| AS402008US | L7CORE-L7AS01 - L7CORE, LLC | — | 1 | 1 |
| AS395468US | UNLV - University of Nevada, Las Vegas | — | 256 | 1 |
| AS403201US | STEFAN - Austin | — | 1 | 1 |
| AS400917US | ROSE-CIRCUIT2 - Aubrey Rose | — | 8 | 1 |
| AS15222US | GRACE-CLOUD-NET - Grace International Inc. | — | 256 | 1 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS397958US | SUNOAKI-NET-PREMIUM - Sunoaki Network LLC | — | 2 | 2 |
| AS1051US | RIDGETOWERNET - Ridge Tower Network, LLC | — | 4.1K | 1 |
| AS6043US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS26768US | SAKURA - SAKURA LTD. | — | 2 | 2 |
| AS6025US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS215313US | LINEAR-NETWORK Emily Ingalls | — | 17 | 2 |
| AS972US | CF3 - Cofractal, Inc. | — | 3 | 3 |
| AS399164US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS219255US | Lee-World Derek Lee | — | 1 | 1 |
| AS216320US | Infinirc-LLC Infinirc LLC | — | 1 | 1 |
| AS401206US | POGODAN - Pogodan | — | 1 | 1 |
| AS207393US | AS_Clayton Clayton Donley | — | 2 | 2 |
| AS36757US | DOSOIG - Department of State Office of Inspector General | — | 1 | 1 |
| AS21820US | V64U - V6 FOR YOU LLC | — | 1 | 1 |
| AS216225US | qprisk Quest & Pearson LLC | — | 32 | 2 |
| AS210562US | WURZELLOS WURZELLOS LLC | — | 259 | 4 |
| AS214763US | Akshay-Revankar Akshay Revankar | — | 1 | 1 |
| AS202467US | BISMANLAN-AS Nicholas Walz | — | 257 | 2 |
| AS403156US | ENTERPRISE-JUNCTION - Enterprise | — | 1 | 1 |
| AS403145US | VMNODE-AS1 - VMNode | — | 256 | 1 |
| AS62900US | KERFUFFLE-62900 - Kerfuffle, LLC | — | 2 | 2 |
| AS48818US | AS-NETSER-INC NETSER INC | — | 382 | 127 |
| AS210836US | ASTROPHAGE Edward Behling | — | 16 | 1 |
| AS395522US | JNL-MULTI-01 - Jeffsworld Networks LLC | — | 3 | 3 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS402402US | CELL - Infoecell | — | 1M | 2 |
| AS218876US | NR-DIGITAL-LLC-AS N.R. Digital LLC | — | 2.3K | 9 |
| AS400745US | VC-ASN-1 - Vista Computing, LLC | — | 65.5K | 1 |
| AS57257US | ZORINS-AS Zorins LLC | — | 2 | 2 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1 | 1 |
| AS56808US | SRSP-4-56808 - Aubrey Rose | — | 1 | 1 |
| AS18457US | FEATHER-IT-NET - Feather IT LLC | — | 2 | 2 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 1 | 1 |
| AS403061US | GROT - Ramaswamy | — | 1 | 1 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS10291US | LABSHUB-NETWORKING - Amazon.com, Inc. | — | — | 0 |