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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,712 |
| 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 | 4,299 |
| — |
| — |
| 0 |
| AS36725US | COLLECTORS - Collectors Universe, Inc. | — | — | 0 |
| AS36778US | CHARTER-36778-NA - Charter Communications LLC | — | — | 0 |
| AS39976US | XETEX - Xetex Business Systems, Inc. | — | — | 0 |
| AS39997US | GLIC - Guardian Life Insurance Company Of America | — | — | 0 |
| AS40196US | WILLISNORTHAMERICA - Willis North America Inc | — | — | 0 |
| AS40219US | CHARTER-40219-NA - Charter Communications LLC | — | — | 0 |
| AS40297US | CALSTAR-MCC - Air Medical Group Holdings | — | — | 0 |
| AS40315US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40349US | ISAGENIX - Isagenix International LLC | — | — | 0 |
| AS40366US | CDNETWORKSUS-01 - CDNetworks Inc. | — | — | 0 |
| AS40456US | CME - Chicago Mercantile Exchange | — | — | 0 |
| AS40485US | SSB - SANDY SPRING BANK | — | — | 0 |
| AS40514US | LABCORP-DIAGNOSTICS-PAML - Pathology Associates Medical Laboratories | — | — | 0 |
| AS40516US | SUCCESSFACTORS - Successfactors, Inc. | — | — | 0 |
| AS40579US | TWRS-DAL - Towerstream I, Inc. | — | — | 0 |
| AS40582US | VUDU-ASN-2 - VUDU, Inc. | — | — | 0 |
| AS40679US | ATO-DAL01 - ATMOS ENERGY CORP | — | — | 0 |
| AS40681US | PHS-MT - Providence Health & Services | — | — | 0 |
| AS40770US | HOSTCIRCLE-IXS - HOSTCIRCLE INC. | — | — | 0 |
| AS40865US | SATEL-13-ASN - Satellite Healthcare, Inc. | — | — | 0 |
| AS40952US | MREL-3-ASN - Mid-continent Research for Education and Learning | — | — | 0 |
| AS40957US | EQUINIX-CX-OT - Equinix, Inc. | — | — | 0 |
| AS46227US | DMUS-A001 - Dark Matter Technologies LLC | — | — | 0 |
| AS46237US | PENNSBURY - Pennsbury School District | — | — | 0 |
| AS46270US | AS46270 - ThyssenKrupp North America, Inc. | — | — | 0 |
| AS46333US | COBALT - The Cobalt Group | — | — | 0 |
| AS46352US | ASPIRELIFESTYLES-CHELMSFORD - Circle Company Associates, Inc. | — | — | 0 |
| AS46382US | VANWAGNER - Van Wagner Communications, LLC | — | — | 0 |
| AS46389US | STLIX - Saint Louis Internet Exchange Inc | — | — | 0 |
| AS46412US | PSKW-1 - PSKW LLC | — | — | 0 |
| AS46526US | AS46526 - JAB Wireless, INC. | — | — | 0 |
| AS46540US | ARENAONE - Arena One, LLC | — | — | 0 |
| AS46574US | VINEO - VINEO LLC | — | — | 0 |
| AS46580US | MERICLE-AS - Mericle Construction Inc. | — | — | 0 |
| AS46680US | CONTACTUAL - Contactual, Inc. | — | — | 0 |
| AS46752US | AMILGA-BHM - Air Medical Group Holdings | — | — | 0 |
| AS46939US | BYHALIANET - Byhalia.net, LLC | — | — | 0 |
| AS47004US | CONNECTWEBTECH - Connectweb.net | — | — | 0 |
| AS47009US | TNS-CSG-AS - Transaction Network Services, Inc. | — | — | 0 |
| AS47021US | MBIT - Middle Bucks Institute of Technology | — | — | 0 |
| AS47093US | VOLCORP - VOLCORP | — | — | 0 |
| AS49138US | SBDN-EU ServedBy the Net LLC | — | — | 0 |
| AS50892US | LL-946-50892 - HORYS TECHNOLOGIES | — | — | 0 |
| AS53278US | PHOENIXNAP - ECSuite, LLC | — | — | 0 |
| AS53321US | SALSALABS-6917482 - Salsa Labs, Inc. | — | — | 0 |
| AS53329US | LTU-ITSD - Lawrence Technological University | — | — | 0 |