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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 |
| — |
| 321 |
| 3 |
| AS402801US | ANDRII-NET - Andrii | — | 3 | 3 |
| AS6584US | MICROSOFT-GP-AS - Microsoft Corporation | — | 1 | 1 |
| AS218876US | NR-DIGITAL-LLC-AS N.R. Digital LLC | — | 512 | 2 |
| AS54441US | RAVENNACREEK-AS-1 - RAVENNA CREEK, LLC | — | 16 | 1 |
| AS198804US | RISHI-AS Rishi Ram Panthee | — | 512 | 2 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1 | 1 |
| AS50907US | CodeBGP ThousandEyes LLC | — | 1 | 1 |
| AS395468US | UNLV - University of Nevada, Las Vegas | — | 256 | 1 |
| AS401420US | WANN - Wann Networks | — | 256 | 1 |
| AS399154US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS402402US | CELL - Infoecell | — | 1M | 2 |
| AS214092US | Zachary-Ezetta Zachary Ezetta | — | 1 | 1 |
| AS402474US | LMESSER-LABS - Zachary | — | 256 | 1 |
| AS402792US | DVC-NET-1 - Divine | — | 3 | 2 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 2 | 2 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 2 | 2 |
| AS395522US | JNL-MULTI-01 - Jeffsworld Networks LLC | — | 3 | 3 |
| AS205398US | TYLER-OBRIEN Tyler Obrien | — | 298 | 28 |
| AS394557US | ROKU - Roku Inc. | — | 3 | 3 |
| AS51312US | SRSP-4-51312 - Aubrey Rose | — | 16 | 1 |
| AS401533US | TGSLLC-02 - TGS, LLC | — | 1 | 1 |
| AS398767US | ORONO-SCHOOLS-MN - Independent School District No 278 County of Hennepin | — | 16 | 1 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 3 | 3 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS402899US | PTLHL - Prestige | — | 524.3K | 1 |
| AS177US | UMICH-AS-1 - University of Michigan | — | 2 | 2 |
| AS402119US | AS-NOVA-CUST - Nova86 | — | 1 | 1 |
| AS401659US | DX-FIBER - DOXX.NET CORPORATION | — | 1 | 1 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS216052US | CDUBS-NET Craig Schulz | — | 33 | 3 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |
| AS40253US | ELYSIA-ROOT-LC - Elysia Root L.C. | — | 3 | 3 |
| AS402565US | JDKL - JDKL | — | 1 | 1 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS55223US | BGP-NETWORKS-LLC - BGP Networks LLC | — | 2 | 2 |
| AS402577US | VIXNET - Snark | — | 1 | 1 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS219525US | DaleNetworks Jevin Dale | — | 1 | 1 |
| AS402430US | HOX - Hox | — | 256 | 1 |