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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 | 24,346 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| — |
| — |
| 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 |
| AS10928US | CROSS-COUNTRY-MORTGAGE - CrossCountry Mortgage | — | — | 0 |
| AS11016US | EXP-EC1999 - Experian | — | — | 0 |
| AS11018US | GLOBALACCESS - NTT America Network Innovations, Inc | — | — | 0 |
| AS11127US | NETSAT-AS - Globecomm Network Services Corporation | — | — | 0 |
| AS11196US | NESTLE-USA - Nestle USA | — | — | 0 |
| AS11202US | DBNA - Deutsche Bank Group | — | — | 0 |
| AS11241US | VPOP-IP-NETWORK - Transera Communications, Inc. | — | — | 0 |
| AS11491US | TRIVALENT-GROUP-NEW - Rehmann Technology Solutions, LLC | — | — | 0 |
| AS11565US | AS11565 - Inuvo Inc. | — | — | 0 |
| AS11613US | DEFYGRAVITY - BlackHat Technologies, LLC | — | — | 0 |
| AS11717US | AS-SOLARUS - Solarus | — | — | 0 |