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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 |
| AS201243US | EdgeAlphix EdgeAlphix LLC | — | 2 | 2 |
| AS396752US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS33654US | CMCS - Comcast Cable Communications, LLC | — | 16 | 16 |
| AS4288US | CENTURYLINK-TSDS-NCJCVL - CenturyLink Communications, LLC | — | — | 0 |
| AS214085US | JUNIPERCIRCUIT-AS Eugene Lapidous | — | 1 | 1 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS214974US | ZEROTECH-AS ZEROTECH CLOUD LLC | — | 1 | 1 |
| AS4490US | EMTF-LAK - Air Force Systems Networking | — | — | 0 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS396217US | RLC-ASN-01 - Resort Lifestyle Communities, Inc. | — | — | 0 |
| AS809US | PPD-TRANSIT - PhirePhly Design | — | 1 | 1 |
| AS396453US | VENUS-PEAK10 - Venus Fashion, Inc. | — | — | 0 |
| AS62925US | CRENET-ASN-01 - CRE NETWORK, LLC | — | 32 | 2 |
| AS397950US | TRIN-01 - WiseTech Global | — | — | 0 |
| AS26768US | SAKURA - SAKURA LTD. | — | 2 | 2 |
| AS397907US | 865 - AEG | — | — | 0 |
| AS219525US | DaleNetworks Jevin Dale | — | 1 | 1 |
| AS397615US | RTVI - RTVI | — | — | 0 |
| AS399164US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS5150US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS46464US | NB-PRIMARY-01 - Nybbles and Bytes Studios, LLC | — | 1 | 1 |
| AS213219US | SKALA SKALA NETWORKS LLC | — | 16 | 1 |
| AS6007US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS46386US | ZANA-AS-2 - Osir, Inc. | — | 32 | 1 |
| AS5948US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS19451US | ELECTROCLOUD - Electro Cloud | — | 65.5K | 1 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS218324US | LAB-TRAUMATECH James Sturdevant | — | 1 | 1 |
| AS4104US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 264 | 9 |
| AS4006US | COGENT-4006 - Cogent Communications, LLC | — | — | 0 |
| AS202467US | BISMANLAN-AS Nicholas Walz | — | 257 | 2 |
| AS4032US | ASN-4020-1 - Air Force Systems Networking | — | — | 0 |
| AS210562US | WURZELLOS WURZELLOS LLC | — | 259 | 4 |
| AS3761US | UTOPIA-FIBER-IT - UTOPIA | — | — | 0 |
| AS18572US | BVIU27 - Beaver Valley Intermediate Unit #27 | — | 256 | 1 |
| AS3664US | DNIC-ASBLK-03664-03667 - United States Department of Defense (DoD) | — | — | 0 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 18 | 3 |
| AS5326US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS216124US | C-RAM-AS C-Ram Inc. | — | 256 | 1 |
| AS4161US | TIN-1 - Air Force Systems Networking | — | — | 0 |
| AS400148US | BULK-SOLUTIONS-01 - Bulk Solutions, LLC | — | 256 | 1 |
| AS398910US | NEXA-WAVE - NexaWave Solutions LLC | — | 3.1M | 6 |
| AS216320US | Infinirc-LLC Infinirc LLC | — | 1 | 1 |
| AS4950US | ASN-SPRN-NYSERNET1 - SPRINT, Business Serices Group | — | — | 0 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |