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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| 1 |
| 1 |
| AS63101US | AFLYCLOUD-NETWORK - AFLY CLOUD LLC | — | 2 | 2 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS198804US | RISHI-AS Rishi Ram Panthee | — | 512 | 2 |
| AS395878US | SERVOSPHERE-LLC - SERVOSPHERE | — | 34 | 4 |
| AS9460US | KYNDRYLINC-AS-AP - Kyndryl INC | — | — | 0 |
| AS10941US | TECHCOM-1 - Genuine Telecom | — | 256 | 1 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 256 | 1 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 1 | 1 |
| AS401009US | JSMSR-NETWORK - JSMSR Network | — | 320 | 2 |
| AS972US | CF3 - Cofractal, Inc. | — | 3 | 3 |
| AS394536US | CLOUDFLARENET-SFO - Cloudflare, Inc. | — | 1 | 1 |
| AS50907US | CodeBGP ThousandEyes LLC | — | 1 | 1 |
| AS62925US | CRENET-ASN-01 - CRE NETWORK, LLC | — | 32 | 2 |
| AS212996US | ZEROAV-CUST Zero Attack Vector LLC | — | 65.8K | 4 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS401932US | ELEMONO-AS - Elemono LLC | — | 4 | 4 |
| AS40253US | ELYSIA-ROOT-LC - Elysia Root L.C. | — | 3 | 3 |
| AS6025US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS213832US | LAYERSENTRY-AS LayerSentry LLC | — | 524.3K | 1 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 23 | 5 |
| AS11938US | ABANTU - NCRYPTD LLC | — | 1 | 1 |
| AS396874US | JAMF - JAMF | — | 1 | 1 |
| AS62900US | KERFUFFLE-62900 - Kerfuffle, LLC | — | 2 | 2 |
| AS11161US | DIGITALVIRT - DigitalVirt | — | 1 | 1 |
| AS5132US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS395326US | MIT-V6 - Massachusetts Institute of Technology | — | 1 | 1 |
| AS205232US | EvilNET Felix Alcantara | — | 768 | 3 |
| AS40893US | ASN-NA-XIPE - Xipe Networks | — | 17 | 2 |
| AS3000US | SPRINT-MRN-BLOCK - U.S. Sprint | — | 16.4K | 1 |
| AS401507US | IMPUT - imput | — | 2 | 2 |
| AS210660US | CAVEFOX CaveFox LLC | — | 257 | 2 |
| AS213370US | NETOMAT Netomat LLC | — | 1 | 1 |
| AS993US | BLACK-MESA - SUN FIBER, LLC | — | 1 | 1 |
| AS203023US | KNL-23-203023 - Kawaii Networks LLC | — | 65.5K | 1 |
| AS402570US | PANDAISP - PANDA | — | 4.1K | 1 |
| AS401519US | SUNOAKI-NET-CCH - Sunoaki Network LLC | — | 2 | 2 |
| AS395841US | TAMCLOUD - tamCloud, Inc. | — | 4.1K | 1 |
| AS5980US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS401024US | COMMUNICATIONSAUTHORITY - Communications Authority, INC | — | 256 | 1 |
| AS207393US | AS_Clayton Clayton Donley | — | 2 | 2 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 2 | 2 |
| AS204091US | rivulet Rivulet Wireless Inc. | — | 80 | 5 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS53723US | ROUTESI-MAIN - Routesi LLC | — | 256 | 1 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |