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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS4183US | UUNET-MCIWCOM - Verizon Business | — | — | 0 |
| AS10652US | NETSIDE - NetSide Corporation | — | — | 0 |
| AS10635US | THE-BASTILLE - GTE Law Enforcement Services | — | — | 0 |
| AS8112US | VRIS-8112-8115 - Verizon Business | — | — | 0 |
| AS7948US | GEOPLEX - AT&T | — | — | 0 |
| AS8003US | LUNA-NETWORKS - Luna USA, LLC | — | — | 0 |
| AS11310US | BOSTONPUB - Boston Public Schools | — | — | 0 |
| AS396043US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | — | 1 | 1 |
| AS10743US | GLOBALFEED - NTT Multimedia Communication Laboratories | — | — | 0 |
| AS10900US | EDUC-NET-PROV - Educational Network Provider | — | — | 0 |
| AS10853US | ANDERSENCORP - Andersen Corporation | — | — | 0 |
| AS10782US | HPINC - HP Inc. | — | — | 0 |
| AS10637US | TROYSAT - Troy Systems | — | — | 0 |
| AS10270US | NECROMIUM - Idex Technologies | — | — | 0 |
| AS6988US | STREAM - Stream International | — | — | 0 |
| AS394557US | ROKU - Roku Inc. | — | 3 | 3 |
| AS7405US | GENUITY-XATL - Genuity Inc. | — | — | 0 |
| AS6484US | LUMEN-LEGACY-LEVEL3-RUSSIA - Level 3 Parent, LLC | — | — | 0 |
| AS6418US | SATELNET-AS - SatelNet Communications, Inc. | — | — | 0 |
| AS6417US | AGENTS-INC - Agents, Inc. | — | — | 0 |
| AS7912US | STATEFARMINSCO - State Farm Mutual Automobile Insurance Company | — | — | 0 |
| AS6234US | ETAK-NET2 - Etak, Inc. | — | — | 0 |
| AS7814US | CNS-NETWORK - Chenango Net Services | — | — | 0 |
| AS18535US | ROCHE-INDY - Hoffmann LaRoche, Inc. | — | 4.4K | 2 |
| AS3519US | DSI-WR - RTX BBN Technologies, Inc. | — | — | 0 |
| AS5798US | SUPERLATIVE - Superlative, Inc. | — | — | 0 |
| AS5834US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5725US | XO - Verizon Business | — | — | 0 |
| AS54694US | IPREPORT - IPREPORT | — | 1.6M | 3 |
| AS4910US | SPRINTNET-NC - Sprint Mid-Atlantic Telecom | — | — | 0 |
| AS4070US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS3981US | UTELFLA - Sprint/United Telephone-Florida | — | — | 0 |
| AS3973US | AS-SPRINTLINK-NYSERN2 - Sprint, Business Services Group | — | — | 0 |
| AS3625US | MCIASN-2-BLK - Verizon Business | — | — | 0 |
| AS3753US | NSCEE - National Supercomputing Center for Energy and the Environment | — | — | 0 |
| AS5221US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS25759US | F4-NETWORKS - Rozint | — | 1 | 1 |
| AS4376US | DSW-INET - Dahlin Smith White, Inc. | — | — | 0 |
| AS4575US | CYBERHOUSE - CyberHouse Corp. | — | — | 0 |
| AS4446US | INFINET-ASN - Infinet Technologies and Services | — | — | 0 |
| AS6230US | GANET - Global Access Network | — | — | 0 |
| AS4272US | MDN - Metropolitan Data Networks | — | — | 0 |
| AS403167US | SUN-02 - Sun | — | 1 | 1 |
| AS4248US | CYBERTRIBE - Nexus System | — | — | 0 |
| AS402667US | CL-2372-AS-1 - Croan, | — | 256 | 1 |
| AS6624US | TYLERVAULT - Tyler Vault | — | — | 0 |