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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 | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| MERIT-AS-3 - Merit Network Inc. |
| — |
| — |
| 0 |
| AS401154US | ASTRALSEC - Astral Security, Inc. | — | — | 0 |
| AS401286US | POWEREDGE-PROVIDER - PowerEdge Network, LLC | — | — | 0 |
| AS402496US | REDDOT-BGP - Red | — | — | 0 |
| AS400857US | POLKSTATECOLLEGE - Polk State College | — | — | 0 |
| AS400231US | ATCS-NETWORK - A.T.C.S. LLC | — | — | 0 |
| AS400997US | AS-WIALON-US - Gurtam Inc. | — | — | 0 |
| AS399534US | CREATIVEWIRELESS-01 - Creative Wireless Technology Solutions, Inc. | — | — | 0 |
| AS400888US | AWS-DIRECT-ASN - Spy Fu, Inc. | — | — | 0 |
| AS402368US | HOSTGSM-NET - hostgsm.com | — | — | 0 |
| AS402383US | KUMREZ - Kumrez | — | — | 0 |
| AS402134US | WPP-ET-CAMPUS-MUMBAI - The Ogilvy Group, LLC | — | — | 0 |
| AS402129US | AENTE-HEALTHTECH-AS - AENTE INC | — | — | 0 |
| AS402016US | ASU-THREERIVERS-AS - Arkansas State University | — | — | 0 |
| AS399822US | FARWEST-STEEL-CORP - Farwest Steel Corporation | — | — | 0 |
| AS401850US | LUANFLARE - Luanflare, Inc | — | — | 0 |
| AS5207US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS6500US | NEXUS-22-6500 - Nexusguard, Inc | — | — | 0 |
| AS6380US | BELLSOUTH-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS6374US | MFS-WEST-AS - MFS Global Network Services, Inc. | — | — | 0 |
| AS10291US | LABSHUB-NETWORKING - Amazon.com, Inc. | — | — | 0 |
| AS6414US | IPNET - Thurber Technology Group | — | — | 0 |
| AS8105US | DAKOTACOM - DakotaPro.biz | — | — | 0 |
| AS8062US | BELLSOUTH-NET-BLK3 - AT&T Enterprises, LLC | — | — | 0 |
| AS7789US | FISHBONE - Fishbone Communications, Inc | — | — | 0 |
| AS7852US | PGTEL - California Internet Services | — | — | 0 |
| AS7320US | LANCITY - LANcity Company | — | — | 0 |
| AS7318US | FOCALINK-AS - Focalink | — | — | 0 |
| AS5804US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS280US | NTTA-280 - NTT America, Inc. | — | — | 0 |
| AS5336US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5649US | KEVNET-ASN - Kevin Communication Services | — | — | 0 |
| AS6115US | HTW - HarvardNet | — | — | 0 |
| AS5246US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS4942US | B-NET - B-Net Technologies | — | — | 0 |
| AS4908US | AS-CONCENTRIC - Verizon Business | — | — | 0 |
| AS4369US | IQUEST-ASN - InterQuest Inc. | — | — | 0 |
| AS5055US | WANET - Software Design Associates | — | — | 0 |
| AS6156US | SPRINTLINK-NYSERNET7 - SPRINT, Business Serices Group | — | — | 0 |
| AS6137US | SISNA - SISNA, Inc. | — | — | 0 |
| AS6008US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6271US | COGENT-6271 - Cogent Communications, LLC | — | — | 0 |
| AS5936US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5925US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5870US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5695US | MAILROOM-NT - Allen Bradley Inc. | — | — | 0 |
| AS204US | PSCNET-AS - Pittsburgh Supercomputing Center | — | — | 0 |