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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 | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 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 | 4,341 |
| 1.3K |
| — |
| 5 |
| AS18786US | ALL-POINTS-BROADBAND-1 - All Points Broadband | 1.3K | — | 2 |
| AS36025US | FASTEST-INTERNET-IN-PARKCITY-UTAH - WickedFastInternet.com | 1.3K | — | 2 |
| AS22020US | PLANETMAGPIE - Magpie Internet Communications, Corp. | 1.3K | — | 2 |
| AS26453US | HOMETOWN-INTERNET - Hometown Internet LLC | 1.3K | — | 2 |
| AS55243US | CEDARNET - Cedar Wireless, Inc. | 1.3K | 4 | 9 |
| AS35962US | MSA-ASN - Management Science Associates, Inc. | 1.3K | 65.5K | 6 |
| AS30067US | AACG-AS - Anne Arundel County, Maryland | 1.3K | — | 5 |
| AS401725US | OPENINFRA-TX - Open Infra Inc. | 1.3K | 256 | 5 |
| AS46484US | TRELLIXANY - Trellix | 1.3K | — | 2 |
| AS62478US | CRADLEPOINT - Cradlepoint Inc. | 1.2K | — | 5 |
| AS53670US | COMTECH21-AEON-BOSTON - Prescient Worldwide | 1.1K | 1 | 6 |
| AS21881US | RRMS-CORONA - RAPID RESPONSE MONITORING SERVICES INCORPORATED | 1.1K | — | 4 |
| AS19920US | AKINBGP - Akin, Gump, Strauss, Hauer, & Feld | 1.1K | — | 5 |
| AS396437US | COMLABS - COMMUNICATIONS LABORATORIES | 1.1K | — | 5 |
| AS1412US | GRVYUS-PIT-A - Gravity Interactive, Inc. | 1.1K | 1 | 3 |
| AS394080US | TENERUM-AS - Tenerum, LLC | 1K | — | 4 |
| AS393967US | LYNDEN - Lynden Incorporated | 1K | — | 3 |
| AS32182US | GMCC - Grange Mutual Casualty Co. | 1K | — | 2 |
| AS394107US | MOJAVE-COMMUNICATIONS - Mojave Communications, Inc. | 1K | — | 1 |
| AS13898US | SMART-MOBILE - Smart Mobile LLC | 1K | 1 | 2 |
| AS393321US | AMERIGAS-PROPANE - AmeriGas Propane | 1K | — | 3 |
| AS32143US | VNILESASNET - The Village of Niles | 1K | — | 4 |
| AS206219US | widevoice-fra WideVoice, LLC | 1K | — | 3 |
| AS398284US | LAT-US-01 - Lufthansa Aviation Training USA, Inc | 1K | — | 4 |
| AS11439US | VERTEXCORE-NET - VertexCore LLC | 1K | — | 3 |
| AS53315US | NEXUSIS - Nexus IS | 1K | — | 1 |
| AS399552US | PATHWAYZ-DFW - Pathwayz Riverside LLC | 1K | — | 3 |
| AS398638US | JELLYDIGITAL - Jelly Digital, LLC. | 1K | — | 3 |
| AS15015US | SGC - Spring Grove Communications | 1K | — | 2 |
| AS400371US | KHIMAIL - PUEBLO OF LAGUNA UTILITY AUTHORITY | 1K | — | 3 |
| AS26948US | OLCC-AS1 - Orange Lake Country Club, Inc | 1K | — | 1 |
| AS14753US | UNIVE-80 - Universal Consulting | 1K | — | 4 |
| AS36326US | EDGENODE - Techwebhosting Internet Solutions LLC | 1K | — | 3 |
| AS207020US | ProMarketingCentral Pro Marketing Central LLC | 1K | 524.3K | 3 |
| AS397712US | APOG-PITS - Apogee Telecom Inc. | 1K | — | 3 |
| AS62568US | BIC2ASN1 - Brother International Corporation | 1K | — | 4 |
| AS19216US | REVLON-AS - Revlon Consumer Products Corp. | 1K | — | 4 |
| AS40950US | DEDIBYTE-LLC - DediByte, LLC | 1K | — | 4 |
| AS54190US | LDSM-AS - Leads Media, Inc | 1K | — | 1 |
| AS53484US | WL-NA - Williams Lea LLC | 1K | — | 4 |
| AS402509US | NET-BROBAW - Erobaw | 1K | — | 4 |
| AS46172US | XID-01 - Enterprise VPS Solutions LLC | 1K | — | 1 |
| AS30366US | AS-RHYTHMIC-NY - Rhythmic Technologies, Inc. | 1K | — | 3 |
| AS396995US | BGP - Morris Hospital | 1K | — | 3 |
| AS12198US | JSMSR-LLC - JSMSR Network | 1K | 293 | 27 |
| AS62872US | CBTS-AS-DC2 - Cincinnati Bell Technology Solutions | 1K | — | 1 |