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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 |
| AS62925US | CRENET-ASN-01 - CRE NETWORK, LLC | — | 32 | 2 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 55 | 10 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |
| AS400395US | HONGSHIN-AS-NA - Hongshin, Inc. | — | 1 | 1 |
| AS394839US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 1 | 1 |
| AS26701US | AADS - NCRYPTD LLC | — | 1 | 1 |
| AS10941US | TECHCOM-1 - Genuine Telecom | — | 256 | 1 |
| AS153039US | PRONET-AS-AP - Protected Networks | — | 1 | 1 |
| AS401024US | COMMUNICATIONSAUTHORITY - Communications Authority, INC | — | 256 | 1 |
| AS402474US | LMESSER-LABS - Zachary | — | 256 | 1 |
| AS402212US | NICKTRONICIT - NicktronicIT LLC | — | 1 | 1 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 2 | 2 |
| AS400095US | CLOUDFLARENET - Cloudflare, Inc. | — | 1 | 1 |
| AS11846US | BROADVIEWNET - Windstream Communications LLC | — | — | 0 |
| AS199465US | feiya FeiYa Network LTD. | — | 512 | 1 |
| AS30420US | YCM - YORK CAPITAL MANAGEMENT (US) ADVISORS, L.P. | — | — | 0 |
| AS203023US | KNL-23-203023 - Kawaii Networks LLC | — | 65.5K | 1 |
| AS30411US | CHARTER-30411-NA - Charter Communications LLC | — | — | 0 |
| AS399980US | RFPT - RFPT COMPANY LLC | — | 258 | 3 |
| AS29962US | DWNI-B-NETWORK - Wave Broadband | — | — | 0 |
| AS395887US | RYAMER-ENTERPRISE - Ryamer, LLC | — | 256 | 1 |
| AS30099US | SB-2 - Cogeco Peer 1 (USA) Inc. | — | — | 0 |
| AS21662US | ONGLOBIX - OnGlobix, LLC | — | 65.5K | 1 |
| AS29845US | DAVISMALM-ASN - Davis Malm & D'Agostine P.C. | — | — | 0 |
| AS50236US | Vertexlink_Communications VertexLink Inc. | — | 256 | 1 |
| AS3754US | NYSERNET3-AS - NYSERNet | — | 1 | 1 |
| AS33654US | CMCS - Comcast Cable Communications, LLC | — | 16 | 16 |
| AS33188US | AUTOWC-01 - Auto Warehousing Company | — | — | 0 |
| AS213370US | NETOMAT Netomat LLC | — | 1 | 1 |
| AS27494US | NATL-MACH10 - Performive LLC | — | — | 0 |
| AS14447US | INFINITRON-INTERNET-NET - Infinitron Internet LLC | — | 274 | 4 |
| AS27308US | INTELEMAGE - Intelemage, LLC | — | — | 0 |
| AS197346US | SYLANT-ASN Sylant LLC | — | 1 | 1 |
| AS48818US | AS-NETSER-INC NETSER INC | — | 442 | 187 |
| AS402008US | L7CORE-L7AS01 - L7CORE, LLC | — | 1 | 1 |
| AS397955US | DEEPSOUTHCOMMUNICATIONS - Deep South Communications LLC | — | 1 | 1 |
| AS401659US | DX-FIBER - DOXX.NET CORPORATION | — | 1 | 1 |
| AS205398US | TYLER-OBRIEN Tyler Obrien | — | 315 | 30 |
| AS206193US | LEONARD-NET Jacob Leonard | — | 257 | 2 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS402406US | LINQ-APP - Linq | — | 1 | 1 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS22400US | WEB2OBJECTS - Web2Objects LLC | — | 2 | 1 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 20 | 4 |