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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. | 211.2M | 21,291 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,268 |
| 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 | 411 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,732 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,968 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| — |
| 0 |
| AS64253US | VOLANT - Swerve Colo LLC | — | — | 0 |
| AS149165US | MTM-AS-AP - Manhattan Telecommunications Corporation | — | — | 0 |
| AS198988US | vodesoft-asn Vode Soft LLC | — | — | 0 |
| AS199607US | TierOneX TierOneX LLC | — | — | 0 |
| AS199865US | EXPRESSAPPFREE FST Cloud LLC | — | — | 0 |
| AS206731US | Lizzienet Lizzienet | — | — | 0 |
| AS207795US | WSTelecom_France WS Telecom Inc | — | — | 0 |
| AS210540US | SURYATEJA-PALAVALASA SURYATEJA PALAVALASA | — | — | 0 |
| AS211022US | ISC-TLV1 Internet Systems Consortium Inc. | — | — | 0 |
| AS211125US | NZ-ENTERPRISE NZ Enterprise Solutions LLC | — | — | 0 |
| AS211365US | RUI-SUN Rui Sun | — | — | 0 |
| AS215194US | AIMETAWEB AI META WEB SERVICES LLC | — | — | 0 |
| AS393309US | BAYNETAS - Bay District Schools | — | — | 0 |
| AS393365US | ALTV-001-ALTEVA - Momentum Telecom, Inc. | — | — | 0 |
| AS393370US | MPI-AS - Mackenzie Partners Inc. | — | — | 0 |
| AS393420US | EZVERIFY-VALIDATE - EZVERIFY & VALIDATE LLC | — | — | 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 |
| AS393747US | CO-OPMCFORTWORTH - Cu Cooperative Systems, Inc. | — | — | 0 |
| AS393834US | CLYDE-COMPANIES - Clyde Companies, INC. | — | — | 0 |
| AS394035US | PAC12 - Pac-12 Conferences | — | — | 0 |
| AS394070US | ISC-F-LGA1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS394192US | FASTLY-IT - Fastly, Inc. | — | — | 0 |
| AS394213US | BLUESNAP-AS - BlueSnap Inc | — | — | 0 |
| AS394239US | SMDC01 - creehan and company | — | — | 0 |
| AS394319US | CITY-OF-MCKINNEY-TX - CITY OF MCKINNEY | — | — | 0 |
| AS394343US | TWS-ASN - Total Warranty Services, Inc. | — | — | 0 |
| AS394372US | APOG-UNION-MC - Apogee Telecom Inc. | — | — | 0 |
| AS394388US | TOTAL SOLUTION - Cyber Broadband, Inc | — | — | 0 |
| AS394466US | ROUTE4 - Route4 Communications | — | — | 0 |
| AS394481US | MFBNAS - MB Financial Bank NA | — | — | 0 |
| AS394504US | HARMANINTL - Harman International Industries | — | — | 0 |
| AS394551US | BT - Matrix Applications LLC | — | — | 0 |
| AS394793US | FRUITO - Fruit of the Loom, Inc. | — | — | 0 |
| AS394959US | AL-PROD-02 - AppLovin Corporation | — | — | 0 |
| AS395022US | GTGL-US - Global Telecom Group LLC | — | — | 0 |
| AS395212US | PHALANXTAC - Phalanx Internetworks, Inc. | — | — | 0 |
| AS395217US | ISC-F-RNO1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS395304US | HMHF-1-AS - THE HARDIN MEMORIAL HOSPITAL FOUNDATION, INC. | — | — | 0 |
| AS395411US | SMY-ISP-ASN - City of Smyrna, GA | — | — | 0 |
| AS395416US | THRYV - Thryv | — | — | 0 |
| AS395521US | AOCCONNECT - AOC Connect LLC | — | — | 0 |
| AS395530US | IHN-ASN - Independent Health Network, Inc. | — | — | 0 |
| AS395787US | PLATOPS - PlatOps Security LLC | — | — | 0 |