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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,268 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,721 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,955 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,300 |
| — |
| — |
| 0 |
| AS401757US | MEXCAP - Mexcap, LLC | — | — | 0 |
| AS401784US | URBANSKY - URBAN SKY LLC | — | — | 0 |
| AS401923US | GCPUD-BUSINESS-01 - Grant County Public Utility District | — | — | 0 |
| AS401979US | SHELLCRAFT - ShellCraft | — | — | 0 |
| AS402007US | GEEKCLOUD - GeekCloud LLC | — | — | 0 |
| AS402011US | AS-NETOMAT - Netomat LLC | — | — | 0 |
| AS402032US | GHS-WI - Genesis Hosting Solutions, LLC | — | — | 0 |
| AS402046US | SERVERJUICE - ServerJuice, Inc. | — | — | 0 |
| AS402064US | WAS-MICROSOFT-PEERING-01 - Whippany Actuation Systems | — | — | 0 |
| AS402095US | GRACEWOOD INTERIORS LLC - GraceWood | — | — | 0 |
| AS402189US | 46454 - WCS | — | — | 0 |
| AS402264US | VENTED - Vented LLC | — | — | 0 |
| AS402345US | RH - Rapidhosting | — | — | 0 |
| AS402365US | FIVISION - fiVISION | — | — | 0 |
| AS402398US | CPAP - cpap.com | — | — | 0 |
| AS402408US | STARSTREAM - Starstream | — | — | 0 |
| AS402497US | EXI - EXI | — | — | 0 |
| AS402502US | JDGI - J | — | — | 0 |
| AS402528US | US-RDC-DC1-P1 - RedCell | — | — | 0 |
| AS402538US | TABMAC - Tabmac | — | — | 0 |
| AS402588US | LINDRIS - Lindris | — | — | 0 |
| AS61US | DEC-MARLBORO-AS - Air Force Systems Networking | — | — | 0 |
| AS66US | DNIC-AS-00066 - Headquarters, USAISC | — | — | 0 |
| AS119US | AMS-AS - American Mathematical Society | — | — | 0 |
| AS140US | DNIC-AS-00140 - United States Department of Defense (DoD) | — | — | 0 |
| AS169US | HANSCOM-NET-AS - Air Force Systems Networking | — | — | 0 |
| AS175US | PL-AS - Air Force Systems Networking | — | — | 0 |
| AS216US | LMSC-HOSTNET-AS - Air Force Systems Networking | — | — | 0 |
| AS240US | SAALC-HOSTNET-AS - Air Force Systems Networking | — | — | 0 |
| AS272US | CTNOSC-ASN-272 - Headquarters, USAISC | — | — | 0 |
| AS318US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | — | 0 |
| AS412US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS439US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS530US | DNIC-AS-00530 - Headquarters, USAISC | — | — | 0 |
| AS539US | DNIC-AS-00539 - Headquarters, USAISC | — | — | 0 |
| AS568US | DNIC-AS-00568 - United States Department of Defense (DoD) | — | — | 0 |
| AS580US | DNIC-AS-00580 - United States Department of Defense (DoD) | — | — | 0 |
| AS584US | GDSS-23AF-AS - Air Force Systems Networking | — | — | 0 |
| AS592US | DNIC-AS-00592 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS630US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS631US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS653US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS660US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | — | — | 0 |
| AS667US | DNIC-AS-00667 - United States Department of Defense (DoD) | — | — | 0 |
| AS673US | DNIC-AS-00673 - Headquarters, USAISC | — | — | 0 |
| AS690US | MCICS-690 - Verizon Business | — | — | 0 |