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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 | 24,358 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,342 |
| — |
| — |
| 0 |
| AS398887US | AS-WEB3 - Sulpizi Development LLC | — | — | 0 |
| AS398966US | MULTITEL - MultiTEL LLC | — | — | 0 |
| AS399333US | AS-COLOMICHIGAN - ColoMichigan LLC | — | — | 0 |
| AS399351US | MEL-V1 - The Northern Trust Company | — | — | 0 |
| AS399383US | ASLIN-999 - linxiaobai LLC | — | — | 0 |
| AS399403US | CMC-SUN-01 - Axim Geospatial LLC | — | — | 0 |
| AS399423US | CBNEPTUNE-AS-399423 - CB Neptune Holdings, LLC | — | — | 0 |
| AS399448US | PEACEWEB-CLOUD - PeaceWeb | — | — | 0 |
| AS399470US | PROACTIS-US-ASN - Perfect Commerce, LLC | — | — | 0 |
| AS399487US | VBRICK-AWS-01 - Vbrick | — | — | 0 |
| AS399563US | BUNN-O-001 - BUNN-O-MATIC CORPORATION | — | — | 0 |
| AS399585US | BLACKSTAR-01 - BlackStar Group | — | — | 0 |
| AS399611US | OMNIPOINT-INTERNET - OmniPoint Internet | — | — | 0 |
| AS399655US | CYCOG-ASN1 - CyCognito Inc. | — | — | 0 |
| AS399757US | RAPTOR-TRADING-SYSTEMS - Raptor Trading Systems Inc | — | — | 0 |
| AS399862US | M2M-COMMUNICATORS-01 - M2M Communicators Inc | — | — | 0 |
| AS399906US | SACREDSHIP-01 - Sacred Ship Technologies Inc | — | — | 0 |
| AS399908US | CCG-TECHNOLOGY - Good Deal Development, LLC | — | — | 0 |
| AS399921US | FIA-TECH-AS-01 - FIA Technology Services, LLC | — | — | 0 |
| AS399966US | ORACLE-PCA - Oracle Corporation | — | — | 0 |
| AS399984US | CLARENCE-TEL-ASN - CLARENCE TELEPHONE COMPANY, INC | — | — | 0 |
| AS400033US | CCREMC-HQ-ASN1 - Clark County REMC | — | — | 0 |
| AS400053US | SYNAPSE - Synapse Data Systems, Inc. | — | — | 0 |
| AS400074US | RICHMOND-IX-LOOKING-GLASS - Richmond-IX Corporation | — | — | 0 |
| AS400168US | PERATON-EDGE - PERATON INC. | — | — | 0 |
| AS400169US | MONDEUM-INVESTMENT-GROUP-01 - Mondeum Financial Holdings LLC | — | — | 0 |
| AS400193US | PHOENIX-INVESTORS-HQ - Phoenix Investors, LLC | — | — | 0 |
| AS400204US | ASHCROFT-INC - Ashcroft Inc. | — | — | 0 |
| AS400291US | AFCU-AS - Affinity Federal Credit Union | — | — | 0 |
| AS400293US | PPLD-ORG - Pikes Peak Library District | — | — | 0 |
| AS400361US | CU1-ALASKA-01 - Credit Union 1 | — | — | 0 |
| AS400526US | DEERPARKTX-GOV - CITY OF DEER PARK | — | — | 0 |
| AS400558US | DWS-ASHBURN - Disney Worldwide Services, Inc. | — | — | 0 |
| AS400578US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400602US | HEXABUILD-ASN-01 - HexaBuild | — | — | 0 |
| AS400636US | STM-CLOUD-01 - STM Cloud, LLC | — | — | 0 |
| AS400667US | DOBSON-ASN-02 - Dobson Technologies - Transport and Telecom Solutions, LLC | — | — | 0 |
| AS400720US | WASHINGTON-STATE-LIBRARY-ASN - Washington State Library | — | — | 0 |
| AS400775US | HRL-US-05 - HRL Laboratories, LLC | — | — | 0 |
| AS400780US | ZOHO-CAMPAIGN-MAIL-ASN - ZOHO | — | — | 0 |
| AS400787US | NEWSWARE - NewsWare Inc. | — | — | 0 |
| AS400825US | HCDL-SEATTLE-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS400863US | YICHI-US-AS - YICHI | — | — | 0 |
| AS400870US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS401025US | EOS-A001 - Excel Orthopaedic Specialists | — | — | 0 |
| AS401076US | GC-NAD - General Conference of Seventh-day Adventists | — | — | 0 |