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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 |
| AS6603US | MTWEST208 - CottonWood CyberVentures | — | — | 0 |
| AS6469US | ARTEMIS - Artemis Research | — | — | 0 |
| AS182US | MERIT-AS-2 - Merit Network Inc. | — | — | 0 |
| AS22577US | LOON - Google LLC | — | 32 | 2 |
| AS6234US | ETAK-NET2 - Etak, Inc. | — | — | 0 |
| AS219534US | US-PLUSINFO PlusInfo LLC | — | 65.5K | 1 |
| AS6217US | ANS-AXISNET - Axis.Net Inc. | — | — | 0 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS5985US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6347US | CENTURYLINK-LEGACY-DIAMOND - CenturyLink Communications, LLC | — | — | 0 |
| AS6076US | ERINET - CoreComm Internet Services Inc | — | — | 0 |
| AS202467US | BISMANLAN-AS Nicholas Walz | — | 257 | 2 |
| AS7929US | WETWARE - Wetware Services | — | — | 0 |
| AS7779US | LD - Loren Data Corp. | — | — | 0 |
| AS440US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS5863US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS213370US | NETOMAT Netomat LLC | — | 1 | 1 |
| AS5902US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS177US | UMICH-AS-1 - University of Michigan | — | 2 | 2 |
| AS5768US | ICANECT - ICANECT | — | — | 0 |
| AS402565US | JDKL - JDKL | — | 1 | 1 |
| AS1455US | DNIC-ASBLK-01451-01456 - Headquarters, USAISC | — | — | 0 |
| AS23340US | GALAXYGATE-EDGE - GALAXYGATE, LLC | — | 524.3K | 1 |
| AS1434US | DWIM-590 - DW Partners, LP | — | — | 0 |
| AS403167US | SUN-02 - Sun | — | 1 | 1 |
| AS1036US | APPLE-RETAIL - Apple Inc. | — | — | 0 |
| AS738US | AFCONC-BLOCK2-AS - Air Force Systems Networking | — | — | 0 |
| AS1727US | DNIC-AS-01727 - United States Department of Defense (DoD) | — | — | 0 |
| AS213219US | SKALA SKALA NETWORKS LLC | — | 16 | 1 |
| AS522US | AFSC-SSD-AS - Air Force Systems Networking | — | — | 0 |
| AS354US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | 512 | 2 |
| AS479US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS3764US | IA-HOU-AS - JAB Wireless, INC. | — | — | 0 |
| AS3753US | NSCEE - National Supercomputing Center for Energy and the Environment | — | — | 0 |
| AS3519US | DSI-WR - RTX BBN Technologies, Inc. | — | — | 0 |
| AS6020US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS2646US | CONEXANT - Synaptics Incorporated | — | — | 0 |
| AS218507US | CB-AS Christopher Bridgewater | — | 2 | 2 |
| AS2759US | MCI-NETC - Verizon Business | — | — | 0 |
| AS2985US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3009US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS402370US | RAPIDFAIRING - Rapidfairing | — | — | 0 |
| AS2938US | SPRINT-MRN - U.S. Sprint | — | — | 0 |
| AS63101US | AFLYCLOUD-NETWORK - AFLY CLOUD LLC | — | 2 | 2 |
| AS402129US | AENTE-HEALTHTECH-AS - AENTE INC | — | — | 0 |