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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 |
| 1 |
| 1 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS19828US | MARICOPA - Orbitel Communications, LLC | — | — | 0 |
| AS400745US | VC-ASN-1 - Vista Computing, LLC | — | 65.5K | 1 |
| AS19227US | OK-INTERNET - Terra World, Inc. | — | — | 0 |
| AS402359US | GOESEL-NET - Goesel.net | — | 258 | 3 |
| AS19459US | SMSU-12-19459 - Siemens Medical Solutions USA, Inc. | — | — | 0 |
| AS30510US | ATOS-PISCATAWAY - Atos IT Solutions and Services Inc | — | — | 0 |
| AS54441US | RAVENNACREEK-AS-1 - RAVENNA CREEK, LLC | — | 16 | 1 |
| AS32609US | CNS - Cooperative Network Services, LLC | — | — | 0 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS30476US | T2-CT-SHN - Charles Schwab & Co., Inc. | — | — | 0 |
| AS6584US | MICROSOFT-GP-AS - Microsoft Corporation | — | 1 | 1 |
| AS32418US | AS-IMAGINATIONET - Imagination Network LLC | — | — | 0 |
| AS177US | UMICH-AS-1 - University of Michigan | — | 2 | 2 |
| AS30531US | TELINTA-AS1 - Telinta, Inc. | — | — | 0 |
| AS29854US | WESTHOST - WestHost, Inc. | — | 65.5K | 1 |
| AS401574US | WIFIRESAS01 - Wifires Communications, LLC | — | 81.9K | 2 |
| AS400395US | HONGSHIN-AS-NA - Hongshin, Inc. | — | 1 | 1 |
| AS26390US | SERVESA-LLC - Servesa LLC | — | — | 0 |
| AS18535US | ROCHE-INDY - Hoffmann LaRoche, Inc. | — | 256 | 1 |
| AS30693US | AS30693 - Eonix Corporation | — | — | 0 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 3 | 3 |
| AS402740US | GRUMPYTOWN-NYC - GRUMPYTOWN | — | 1 | 1 |
| AS206699US | Zoey-Mertes Zoey Mertes | — | 5 | 5 |
| AS23440US | PEAK10CIN - Flexential Corp. | — | — | 0 |
| AS10725US | GENENTECH - Genentech, Inc. | — | 69.9K | 3 |
| AS17132US | ACDNET-ASN4 - ACD.net | — | — | 0 |
| AS208884US | FL-791-208884 - flew | — | 1 | 1 |
| AS14838US | WIXCO-INC - Wix.Com, Inc. | — | — | 0 |
| AS201392US | Team-Inverse-LLC TEAM INVERSE LLC | — | 32 | 2 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS18452US | ALORICA - ALORICA INC | — | — | 0 |
| AS402663US | PHOENIXNET-LABS - PhoenixNet-Labs | — | 4 | 4 |
| AS16828US | DGA-SECURITY - DGA Security Systems, Inc. | — | — | 0 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 3 | 3 |
| AS402933US | VOSMET - Vosmet | — | 5.2M | 10 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |
| AS30273US | DIDL-1 - DreamWorks Studios | — | — | 0 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS30266US | RF-SJC-DATACENTER - Rodan & Fields LLC | — | — | 0 |
| AS61387US | Cloudco-LLC Cloudco LLC | — | 1 | 1 |
| AS29929US | CHADDESK-NET-V1 - ChadDesk LLC | — | — | 0 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS18586US | DOE-JUCE - Department of Energy, National Nuclear Security Administration | — | — | 0 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |