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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,681 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,370 |
| 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.
32,364 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,914 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,047 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,503 |
| — |
| — |
| 0 |
| AS62650US | LEAF-GROUP-LTD - Leaf Group Ltd. | — | — | 0 |
| AS62708US | SMARTDATASOLUTIONS - Smart Data Solutions, LLC | — | — | 0 |
| AS62709US | MEDEXPRESS-URGENT-CARE-MSO-LLC - MedExpress | — | — | 0 |
| AS62746US | EZCORP-INC - EZCORP | — | — | 0 |
| AS62769US | AS-KINETOGRAPH - Kinetograph LLC | — | — | 0 |
| AS62771US | DUCOM - Drexel University College of Medicine | — | — | 0 |
| AS62780US | GOULD - Gould Paper Corporation | — | — | 0 |
| AS62908US | SOURCEMED - Source Medical Solutions Inc. | — | — | 0 |
| AS62927US | MOOSE-TEC - Moose-Tec | — | — | 0 |
| AS63142US | LOGICMONITOR-NET-AS - LogicMonitor, Inc. | — | — | 0 |
| AS63230US | REVSPRING-PHOENIX - Revspring Inc. | — | — | 0 |
| AS63235US | REVSPRING-OAKS - Revspring Inc. | — | — | 0 |
| AS63250US | YUNXIN-LLC - yunxin llc | — | — | 0 |
| AS63295US | ORCL-CHICAGO1 - Oracle Corporation | — | — | 0 |
| AS63409US | WANDA-LLC - WANDA LLC | — | — | 0 |
| AS63453US | SMFE-WEST - Payward, Inc. | — | — | 0 |
| AS63462US | SWINERTONINC-AS - Swinerton Incorporated | — | — | 0 |
| AS64207US | MSD-ASN1 - Meso Scale Diagnostics, LLC. | — | — | 0 |
| AS64253US | VOLANT - Swerve Colo LLC | — | — | 0 |
| AS149165US | MTM-AS-AP - Manhattan Telecommunications Corporation | — | — | 0 |
| AS199607US | TierOneX TierOneX LLC | — | — | 0 |
| AS199865US | EXPRESSAPPFREE FST Cloud LLC | — | — | 0 |
| AS207795US | WSTelecom_France WS Telecom Inc | — | — | 0 |
| AS211022US | ISC-TLV1 Internet Systems Consortium Inc. | — | — | 0 |
| AS211125US | NZ-ENTERPRISE NZ Enterprise Solutions LLC | — | — | 0 |
| AS211365US | RUI-SUN Rui Sun | — | — | 0 |
| AS215135US | GARCED Anthony Garced | — | — | 0 |
| AS215194US | AIMETAWEB AI META WEB SERVICES LLC | — | — | 0 |
| AS218693US | Winleen Winleen Limited Liability Company | — | — | 0 |
| AS219482US | CONULTINC-GROUP Consultinc Group LLC | — | — | 0 |
| AS393309US | BAYNETAS - Bay District Schools | — | — | 0 |
| AS393365US | ALTV-001-ALTEVA - Momentum Telecom, Inc. | — | — | 0 |
| AS393370US | MPI-AS - Mackenzie Partners Inc. | — | — | 0 |
| AS393580US | ITF-NET - I-T First, Inc. | — | — | 0 |
| AS393599US | CORESPEED - CoreSpeed | — | — | 0 |
| AS393627US | PICTOMETRY-2 - PICTOMETRY INTERNATIONAL CORP. | — | — | 0 |
| AS393704US | BNL-SCIDMZ - Brookhaven National Laboratory | — | — | 0 |
| AS393738US | CAMEO-GLOBAL - Cameo Solutions | — | — | 0 |
| AS393747US | CO-OPMCFORTWORTH - Cu Cooperative Systems, Inc. | — | — | 0 |
| AS393805US | USSTHQ - The Salvation Army, a Georgia Corporation | — | — | 0 |
| AS393834US | CLYDE-COMPANIES - Clyde Companies, INC. | — | — | 0 |
| AS394035US | PAC12 - Pac-12 Conferences | — | — | 0 |
| AS394070US | ISC-F-LGA1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS394213US | BLUESNAP-AS - BlueSnap Inc | — | — | 0 |
| AS394239US | SMDC01 - creehan and company | — | — | 0 |
| AS394319US | CITY-OF-MCKINNEY-TX - CITY OF MCKINNEY | — | — | 0 |