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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| 8.2K |
| 65.5K |
| 21 |
| AS993US | BLACK-MESA - SUN FIBER, LLC | 8.2K | 1 | 3 |
| AS11375US | AS-MCAD - Minneapolis College of Art and Design | 8.2K | — | 1 |
| AS40469US | NEPAWAN - Northeastern Educational Intermediate Unit 19 | 8.2K | — | 1 |
| AS228US | DNIC-AS-00228 - United States Department of Defense DoD | 8.2K | — | 4 |
| AS13480US | OGOPS - Ongoing Operations, LLC | 8.2K | — | 25 |
| AS14287US | TRIAD-TELECOM - Triad Telecom, Inc. | 8.2K | — | 20 |
| AS15278US | SAVVY-NET - Savvy Networks USA | 8.2K | — | 1 |
| AS14909US | PNG-TELECOM - PowerNet Global Communications | 8.2K | — | 2 |
| AS26881US | DASTOR-LLC - IPR International, LLC. | 8.2K | — | 15 |
| AS16597US | SPC - South Plains College | 8.2K | — | 2 |
| AS8082US | WORLDSITE - Worldsite Networks | 8.2K | — | 1 |
| AS40326US | ECKERD-COLLEGE - Eckerd College | 8.2K | — | 32 |
| AS10309US | MARIN-MIDAS - County of Marin | 8.2K | — | 9 |
| AS13986US | ECSIS-HST - ECSIS.NET | 8.2K | — | 2 |
| AS33038US | XTT1 - XIT Rural Telephone Cooperative Inc. | 8.2K | 65.5K | 3 |
| AS21709US | IMPLEX-NET - Implex.net, Inc. | 8.2K | — | 2 |
| AS54373US | MESSAGEEXPRESSINTERNET - Message Express Internet | 8.2K | — | 2 |
| AS22632US | DAKPRO - DakotaPro.biz | 8.2K | — | 2 |
| AS394314US | AKLIZ - Akliz, Inc. | 8.2K | — | 7 |
| AS17202US | FGCU-FTM1 - Florida Gulf Coast University | 8.2K | — | 1 |
| AS19616US | ACCESS-OHIO - ACCESS | 8.2K | — | 3 |
| AS22275US | SECURENET-SYSTEMS - Securenet Systems, Inc. | 8.2K | — | 1 |
| AS40204US | JSU-EDU-NET - Jacksonville State University | 8.2K | — | 5 |
| AS26247US | HCCA - Hamilton-Clermont Cooperative Assn. | 8.2K | — | 18 |
| AS18858US | ISVS-216169032000-19 - Interconnect Services, Inc. | 8.2K | — | 1 |
| AS36820US | TULIP-SYSTEMS - TULIP SYSTEMS, INC. | 8.2K | — | 3 |
| AS101US | WASH-NSF-AS - University of Washington | 8.2K | 114.7K | 7 |
| AS33551US | SISTERS-OF-MERCY-HEALTH-SYSTEM - Sisters of Mercy Health System | 8.2K | — | 15 |
| AS3373US | MCI-ASN - Verizon Business | 8.2K | — | 1 |
| AS8059US | ASN-BWAY - Outernet, Inc. | 8.2K | 65.5K | 2 |
| AS22663US | PROMINIC-NET-INC - Prominic.NET, Inc. | 8.2K | — | 15 |
| AS62713US | AS-PUBMATIC - PubMatic, Inc. | 8.2K | 1 | 31 |
| AS26792US | CSSNW - CSS Integration, Inc. | 8.2K | 65.5K | 5 |
| AS6943US | INFOTECHSYS - Information Technology Systems, Inc. | 8.2K | — | 1 |
| AS14416US | BRAVO-NET - Internet de Nuevo Laredo, S.A de C.V. | 8.2K | — | 1 |
| AS398337US | COMMUNITY-INTERNET-PROVIDERS - Point Broadband Fiber Holding, LLC | 8.2K | — | 32 |
| AS401564US | UMSV-01 - University of Mount Saint Vincent | 8.2K | — | 1 |
| AS63276US | CHAMPLAINCOLLEGE - Champlain College | 8.2K | — | 2 |
| AS14329US | OATI-MPS - OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC. | 8.2K | — | 2 |
| AS63267US | FAYETTEVILLEPUBLICUTILITIES-TN - Fayetteville Public Utilities | 8.2K | 4.1K | 18 |
| AS10700US | TECINFO - TECINFO, Inc. | 8.2K | 65.5K | 2 |
| AS402639US | WASHTENAW-COMMUNITY-COLLEGE - Washtenaw | 8.2K | — | 1 |
| AS25792US | TMC-HEALTHCARE - TMC Healthcare | 8.2K | — | 1 |
| AS25869US | HSBC-US - HSBC Bank USA | 8.2K | — | 6 |
| AS393889US | EIGHTJOY-NETWORK-LLC - EightJoy Network LLC | 8.2K | — | 28 |
| AS399081US | CENTRANET-FIBER - Centranet, LLC | 8.2K | 65.5K | 3 |