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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) | 227.7M | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,260 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,265 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,727 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,328 |
| — |
| — |
| 0 |
| AS7230US | ORBITEL - Orbitel Communications, Inc | — | — | 0 |
| AS7244US | ALAMEDANET - Alameda Networks | — | — | 0 |
| AS7273US | TPLNET - Tacoma Public Library | — | — | 0 |
| AS7322US | MARSWEB - MARSweb, LLP | — | — | 0 |
| AS7331US | IARC - Information Architecture | — | — | 0 |
| AS7367US | SYSONE - Systems One Amadeus | — | — | 0 |
| AS7430US | HPINC - HP Inc. | — | — | 0 |
| AS7747US | EXECUTRAIN - Executrain | — | — | 0 |
| AS7815US | MADENTECH - Madentech Consulting, Inc. | — | — | 0 |
| AS7841US | DEMINET - Deus Ex Machina, Inc. | — | — | 0 |
| AS7913US | METROLINK - MetroLink Internet Services Inc. | — | — | 0 |
| AS7951US | PCEZ - PCs Made Easy, LLC | — | — | 0 |
| AS7952US | PCMAGIC-GATEWAY - PC Magic Network | — | — | 0 |
| AS8032US | WORLDNET5-10 - AT&T WorldNet | — | — | 0 |
| AS8081US | FTLNET - Ft. Lauderdale Network | — | — | 0 |
| AS8102US | FALLON-MPLS - Fallon McElligott | — | — | 0 |
| AS8150US | MOBILEPS - Mobile Public School System | — | — | 0 |
| AS8476US | BVDEP-AS Moody's Corporation | — | — | 0 |
| AS10254US | WATSONWYATT - Watson Wyatt Worldwide | — | — | 0 |
| AS10276US | GATEKEY - GateKey Solutions | — | — | 0 |
| AS10290US | RDANET - Readers Digest | — | — | 0 |
| AS10306US | CNETECHNET - CNETech Net, Inc. | — | — | 0 |
| AS10311US | TWC-10311-NA - Charter Communications Inc | — | — | 0 |
| AS10358US | ANCENT-HK-AS - ANCENT GROUP LIMITED | — | — | 0 |
| AS10382US | NPTI - Northwest Pennsylvania Technical Institute | — | — | 0 |
| AS10383US | CENTURYLINK-QC-MOE-GRAND-ISLAND - CenturyLink Communications, LLC | — | — | 0 |
| AS10389US | JPMORGAN-AS10389 - JPMorgan Chase & Co. | — | — | 0 |
| AS10394US | ALLWAYS - Allways, Inc. | — | — | 0 |
| AS10401US | SFAAOA - Society for Accelerated Advancement of Amphetamines | — | — | 0 |
| AS10407US | IAAVC - IAAVC | — | — | 0 |
| AS10409US | EASYLINK-AS10409 - Easylink Services Corporation | — | — | 0 |
| AS10416US | EVCOM-ASN - Evolution Communications, Inc. | — | — | 0 |
| AS10426US | AUTOBAHN - autobahn Internet Solutions | — | — | 0 |
| AS10434US | SAT-TEL - Satellite Communication Systems, Inc. | — | — | 0 |
| AS10460US | SCOOP-AS - Scoop, Inc. | — | — | 0 |
| AS10585US | NETLIMITED - NETLIMITED LLC | — | — | 0 |
| AS10618US | NBNET - The National Business Network Inc. | — | — | 0 |
| AS10628US | VINS-AS-1 - Flexential Colorado Corp. | — | — | 0 |
| AS10651US | INCC - Internet Communications Corp | — | — | 0 |
| AS10664US | CP-INTERNET - Fidium | — | — | 0 |
| AS10673US | AFFINI - Ntirety, Inc. | — | — | 0 |
| AS10693US | VSPN-ASN - First Coast On Line Inc. | — | — | 0 |
| AS10768US | COGENT-10768 - Cogent Communications, LLC | — | — | 0 |
| AS10810US | HARVESTCOMM01 - Harvest Communications, Inc. | — | — | 0 |
| AS10852US | PREMIER-INTERNET - Premier Internet, Inc. | — | — | 0 |
| AS10911US | INTERNAP-BLK - Unitas Global | — | — | 0 |