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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 | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| — |
| — |
| 0 |
| AS1510US | DNIC-ASBLK-01509-01510 - Headquarters, USAISC | — | — | 0 |
| AS1588US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | — | — | 0 |
| AS1606US | EXCEL-ASN - Excelenet, Inc | — | — | 0 |
| AS1641US | STAPLES-SPP - Staples Contract & Commercial, Inc. | — | — | 0 |
| AS1737US | RAYTHEON-AS-1 - Raytheon Company | — | — | 0 |
| AS1740US | CERFNET - AT&T Enterprises, LLC | — | — | 0 |
| AS1743US | MCI-SF-AS - Verizon Business | — | — | 0 |
| AS1775US | FMCC-1 - Ford Motor Credit Corporation | — | — | 0 |
| AS1785US | AS-PAETEC-NET - Windstream Communications LLC | — | — | 0 |
| AS1796US | GRADED-LABS-LLC - Graded Labs, LLC | — | — | 0 |
| AS1811US | DXC-AS1810-AS1815 - DXC US Latin America Corporation | — | — | 0 |
| AS1817US | AS-SCSENGINEERS - STEARNS, CONRAD AND SCHMIDT, CONSULTING ENGINEERS, INC. | — | — | 0 |
| AS1863US | DISN-PILOTNET9 - RTX BBN Technologies, Inc. | — | — | 0 |
| AS1910US | DNIC-ASBLK-01910-01914 - United States Department of Defense (DoD) | — | — | 0 |
| AS1914US | DNIC-ASBLK-01910-01914 - United States Department of Defense (DoD) | — | — | 0 |
| AS1933US | DNIC-AS-01933 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS1956US | IBMEVS-AS - IBM | — | — | 0 |
| AS1973US | PHNSY-SYLAN - Navy Network Information Center (NNIC) | — | — | 0 |
| AS1990US | DNIC-AS-01990 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS2014US | COGENT-2014 - Cogent Communications, LLC | — | — | 0 |
| AS2150US | CENIC-2150 - CENIC | — | — | 0 |
| AS2159US | HPINC - HP Inc. | — | — | 0 |
| AS2531US | DNIC-AS-02531 - United States Department of Defense (DoD) | — | — | 0 |
| AS2632US | DNIC-AS-02632 - United States Department of Defense (DoD) | — | — | 0 |
| AS2694US | ATGS-MMD-AS - AT&T Enterprises, LLC | — | — | 0 |
| AS2709US | AOS-AS - Apple Inc. | — | — | 0 |
| AS2719US | PIXEL8 - Panzura, Inc | — | — | 0 |
| AS2754US | EPNG-AS - El Paso Natural Gas Company, L.L.C. | — | — | 0 |
| AS2946US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2957US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2959US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2961US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3005US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3031US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3034US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3071US | AINET-AS3071 - American Information Network | — | — | 0 |
| AS3396US | EGG - T G & A | — | — | 0 |
| AS3405US | QNSNET - Questar Information Systems, Inc. | — | — | 0 |
| AS3433US | ESNET-AS - ESnet | — | — | 0 |
| AS3441US | ESNET-AS - ESnet | — | — | 0 |
| AS3522US | DSI-WR - RTX BBN Technologies, Inc. | — | — | 0 |
| AS3530US | DNIC-AS-03530 - United States Department of Defense (DoD) | — | — | 0 |
| AS3563US | PILOT-ASN - Pilot Network Services, Inc | — | — | 0 |
| AS3658US | LIGHTLINK - Lightning PC | — | — | 0 |
| AS3733US | LEVENFELD - Levenfeld Pearlstein, LLC | — | — | 0 |
| AS3739US | SLPO - Smart Link Project Office | — | — | 0 |