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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. | 211.1M | 21,094 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,709 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,423 |
| BOTC - BOTC |
| — |
| — |
| 0 |
| AS25659US | PSH-01 - The Milton S. Hershey Medical Center | — | — | 0 |
| AS25703US | OIC-HQ - Oregon Ice Cream, LLC | — | — | 0 |
| AS25781US | FCASD - Fox Chapel Area School District | — | — | 0 |
| AS25954US | CCG-INET - County Commissioners for Calvert County, Maryland | — | — | 0 |
| AS25994US | SUDDE2 - Optimum | — | — | 0 |
| AS26274US | REGIONS-ASN-2 - REGIONS FINANCIAL CORPORATION | — | — | 0 |
| AS26291US | TELEGO-NET - Tele Go, Inc | — | — | 0 |
| AS26313US | DCSTORE - DIGITAL CREDS LLC | — | — | 0 |
| AS26455US | BMS-AS - Bristol-Myers Squibb Company | — | — | 0 |
| AS26460US | AS26460 - Fidelity National Information Services, Inc. | — | — | 0 |
| AS26494US | CBOE - Cboe | — | — | 0 |
| AS26528US | HPINC - HP Inc. | — | — | 0 |
| AS26565US | MDFDOR-ASN - City of Medford | — | — | 0 |
| AS26572US | CAMDEN-ASSET-MANAGEMENT - Camden Asset Management | — | — | 0 |
| AS26644US | LUMETA-SOM-NJ - Lumeta Corp | — | — | 0 |
| AS26655US | PSFC - Pacific Service Federal Credit | — | — | 0 |
| AS26755US | ACALANES-UNION-HIGH-SCHOOL-DISTRICT - Acalanes Union High School District | — | — | 0 |
| AS26771US | ICD - Institutional Cash Distributors Technology, LLC | — | — | 0 |
| AS26773US | SYD-NIDR - PIMCO | — | — | 0 |
| AS26864US | CSYSTEMS-1 - 4DVISION LLC | — | — | 0 |
| AS26901US | WRIGHTRESEARCH2-DOM - Wright State University | — | — | 0 |
| AS26942US | HOSTING-COM-ARIN - Ntirety, Inc. | — | — | 0 |
| AS26973US | ASCOLBECK - Colbeck Capital Management, LLC | — | — | 0 |
| AS26979US | IVANTI-SJ - Ivanti, Inc. | — | — | 0 |
| AS27007US | ADPSLC - Automatic Data Processing, Inc. | — | — | 0 |
| AS27030US | USCG-AS - United States Coast Guard | — | — | 0 |
| AS27043US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27053US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27070US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27099US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27100US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27174US | TF-AS27174 - TForce Freight | — | — | 0 |
| AS27260US | CJUSD-ASN-01 - Calistoga Joint Unified School District | — | — | 0 |
| AS27278US | TTL-ASN-01 - Teza Technologies, LLC | — | — | 0 |
| AS27333US | EBRPD-AS - East Bay Regional Park District | — | — | 0 |
| AS27345US | SPICA-BACKBONE - SPICA Industry LLC | — | — | 0 |
| AS27378US | HUGHES-BCP-01 - Hughes Hubbard & Reed LLP | — | — | 0 |
| AS27388US | WNCC-BGP - Western Nebraska Community College | — | — | 0 |
| AS27485US | XCNODE - XcNode | — | — | 0 |
| AS27516US | ENABLESIT - Vital I/O, Inc. | — | — | 0 |
| AS27540US | VELO-SANTAFE - Zayo Bandwidth | — | — | 0 |
| AS27605US | CCRI-WARWICK - Community College of Rhode Island | — | — | 0 |
| AS27612US | CORER-3 - Core-Route | — | — | 0 |
| AS27626US | AS-JOYTEL - Joytel | — | — | 0 |
| AS29742US | DDS-BUR - Deluxe Digital Studios, Inc. | — | — | 0 |
| AS29815US | ALTAGROVE-ASN - Altagrove LLC | — | — | 0 |