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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 | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| EA-NON-AS-AP - Electronic Arts |
| — |
| — |
| 0 |
| AS393691US | FORUM-FARGO-NOC - Forum Communications Company | — | — | 0 |
| AS200502US | DMITRY-ILYEVSKIY DMITRY ILYEVSKIY | — | — | 0 |
| AS212716US | ISC-LWO1 Internet Systems Consortium Inc. | — | — | 0 |
| AS46942US | IHS-VWC - IHS Global, Inc. | — | — | 0 |
| AS219333US | PEERLINK PEERLINK LLC | — | — | 0 |
| AS46589US | KYN-GTS - Kyndryl | — | — | 0 |
| AS46497US | TIABI - TIABI LLC | — | — | 0 |
| AS54564US | GIIINYAS01 - G-III Apparel Group Ltd. | — | — | 0 |
| AS55014US | MAF-35-IC - MacAndrews & Forbes, LLC | — | — | 0 |
| AS40574US | CVLAB-OH-AS-01 - Steege IT Services LLC | — | — | 0 |
| AS40578US | VANGUARDHEALTHSYSTEMS-PHAZ - Vanguard Health Systems | — | — | 0 |
| AS40846US | 3EX HOSTING BOCA RATON LLC - 3EX Hosting Boca Raton LLC | — | — | 0 |
| AS40708US | ELAB-ASN - Sabre GLBL Inc. | — | — | 0 |
| AS54259US | AS54259 - SKILLSOFT CORPORATION | — | — | 0 |
| AS7113US | NFIC-AS - New Frontiers Information Corp. | — | — | 0 |
| AS402724US | ZYNTY - Zynty | — | — | 0 |
| AS6920US | TRADEMED-AS - Trade Media | — | — | 0 |
| AS402662US | SEERAPPSASN1 - SeerApps | — | — | 0 |
| AS6469US | ARTEMIS - Artemis Research | — | — | 0 |
| AS6442US | GLOBALLINK-ASN - Global Link Information Network | — | — | 0 |
| AS6375US | XROADS - Crossroads Communications | — | — | 0 |
| AS6417US | AGENTS-INC - Agents, Inc. | — | — | 0 |
| AS6174US | COGENT-6174 - Cogent Communications, LLC | — | — | 0 |
| AS6096US | SYSNET-1 - Sysnet Corp | — | — | 0 |
| AS6388US | BELLSOUTH-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS6589US | ROZINT - Rozint | — | — | 0 |
| AS7912US | STATEFARMINSCO - State Farm Mutual Automobile Insurance Company | — | — | 0 |
| AS7882US | SPRINT-HAWAII - Sprint Hawaii | — | — | 0 |
| AS6969US | N2K-ASN - N2K Inc. | — | — | 0 |
| AS7431US | EGIX-CHAMPAIGN-AS - Altafiber | — | — | 0 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1 | 1 |
| AS7267US | GLOBALCOMMERCE - Global Commerce Link, LLC | — | — | 0 |
| AS7208US | MEGANET - MegaNet | — | — | 0 |
| AS6997US | SILLS-AS - SILLS CUMMIS EPSTEIN & GROSS | — | — | 0 |
| AS4910US | SPRINTNET-NC - Sprint Mid-Atlantic Telecom | — | — | 0 |
| AS4897US | ECHO-LABS-LLC - ECHO Labs LLC | — | — | 0 |
| AS4522US | COMPUCALL - CompuCall Internet Services | — | — | 0 |
| AS4575US | CYBERHOUSE - CyberHouse Corp. | — | — | 0 |
| AS4078US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4099US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4255US | BAIN - Bain And Company | — | — | 0 |
| AS2893US | CLI-NET - Computational Logic, Inc. | — | — | 0 |
| AS5805US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5798US | SUPERLATIVE - Superlative, Inc. | — | — | 0 |
| AS5701US | HEALTH-ONE - HealthOne | — | — | 0 |
| AS5710US | NBTBA-ASN - NBT BANCORP INC. | — | — | 0 |