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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 |
| AS401389US | OWO-AS - OwO Network, LLC | — | 1 | 1 |
| AS19451US | ELECTROCLOUD - Electro Cloud | — | 65.5K | 1 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS402897US | CKSVC-01 - CK | — | 17 | 2 |
| AS10725US | GENENTECH - Genentech, Inc. | — | 69.9K | 3 |
| AS8861US | TEMP-RELUVA GTT Communications Inc. | — | — | 0 |
| AS216225US | qprisk Quest & Pearson LLC | — | 32 | 2 |
| AS394557US | ROKU - Roku Inc. | — | 3 | 3 |
| AS394536US | CLOUDFLARENET-SFO - Cloudflare, Inc. | — | 1 | 1 |
| AS402801US | ANDRII-NET - Andrii | — | 3 | 3 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 134 | 8 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS401637US | APRILNEA - AprilNEA LLC | — | 1 | 1 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 3 | 3 |
| AS30399US | HOSTENGINE - Host-Engine.com | — | 4.1K | 1 |
| AS47778US | SUNOAKI-NET-BACKBONE Sunoaki Network LLC | — | 15 | 12 |
| AS219534US | US-PLUSINFO PlusInfo LLC | — | 65.5K | 1 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS6025US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS33760US | UWUNET - Ashton Holmes, Sole Proprietorship | — | 5 | 5 |
| AS3754US | NYSERNET3-AS - NYSERNet | — | 1 | 1 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS213774US | NANCYANDSYSROM NANCYANDSYSROM LLC | — | 1 | 1 |
| AS211562US | andrewnet andrewnet llc | — | 261 | 6 |
| AS215188US | KALLSYMS Nicholas Gregory | — | 16 | 1 |
| AS402430US | HOX - Hox | — | 256 | 1 |
| AS200766US | BROWN-AS Kerry Lynn brown jr | — | 274 | 4 |
| AS402359US | GOESEL-NET - Goesel.net | — | 258 | 3 |
| AS5980US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS50842US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS402948US | HOSTFC - HostFC, | — | 256 | 1 |
| AS210562US | WURZELLOS WURZELLOS LLC | — | 259 | 4 |
| AS62900US | KERFUFFLE-62900 - Kerfuffle, LLC | — | 2 | 2 |
| AS26768US | SAKURA - SAKURA LTD. | — | 2 | 2 |
| AS218794US | XORIST James Jones | — | 1 | 1 |
| AS22400US | WEB2OBJECTS - Web2Objects LLC | — | 2 | 1 |
| AS396931US | HOSTROYALE-TECHNOLOGIES-02 - HostRoyale LLC | — | 524.3K | 1 |
| AS210660US | CAVEFOX CaveFox LLC | — | 257 | 2 |
| AS206081US | JORDANSAVOCANET Jordan Savoca | — | 1 | 1 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS33656US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |
| AS395522US | JNL-MULTI-01 - Jeffsworld Networks LLC | — | 3 | 3 |
| AS394593US | MATROID - Matroid, Inc. | — | 1 | 1 |
| AS398767US | ORONO-SCHOOLS-MN - Independent School District No 278 County of Hennepin | — | 16 | 1 |
| AS1031US | PEER1-1031 - PEER 1031 LLC | — | 1 | 1 |