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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. | 218.2M | 25,766 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,243 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,359 |
| DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) |
| — |
| — |
| 0 |
| AS27074US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27075US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27081US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27101US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27110US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27112US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27114US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27131US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27182US | VMSHELL - VMSHELL INC | — | — | 0 |
| AS27194US | ASN-SEA-LAB - Wave Broadband | — | — | 0 |
| AS27210US | RMIC - Arch U.S MI Services Inc. | — | — | 0 |
| AS27305US | IAVI - International AIDS Vaccine Initiative | — | — | 0 |
| AS27464US | CHARTER-27464-NA - Charter Communications LLC | — | — | 0 |
| AS27617US | WBD-AS27617 - Warner Bros. Advanced Digital Services | — | — | 0 |
| AS29761US | CVDN - Converted Networks LLC | — | — | 0 |
| AS29959US | UWCU-ORG-WI - University of Wisconsin Credit Union | — | — | 0 |
| AS30052US | WAYNE-COUNTY-AIRPORT-AUTHORITY - Wayne County Airport Authority | — | — | 0 |
| AS30129US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS30173US | RSM-NET-1 - RSM McGladrey, Inc. | — | — | 0 |
| AS30181US | QHG - Intuit Inc. | — | — | 0 |
| AS30315US | ASN-THEPLANET-3 - IBM Cloud | — | — | 0 |
| AS30319US | QMED-ASN - QMEDTRIX SYSTEMS INC. | — | — | 0 |
| AS30373US | BUSINESSONLYBROADBANDLLC - Windstream Communications LLC | — | — | 0 |
| AS30486US | EZESOFT - Eze Castle Software LLC | — | — | 0 |
| AS30535US | 10XCOM - 10xServers, LLC | — | — | 0 |
| AS30579US | SCU-HQ - Scott Credit Union | — | — | 0 |
| AS30582US | HDS-AS - HITACHI DATA SYSTEMS | — | — | 0 |
| AS30632US | SPSY - Spectra Systems Corporation | — | — | 0 |
| AS31771US | ASN-CXA-SNTB-31771-CBS - Cox Communications Inc. | — | — | 0 |
| AS31796US | SNA-40 - NetOne, Inc | — | — | 0 |
| AS31819US | PRAESES - Praeses Corporation | — | — | 0 |
| AS31842US | Z4-AS - Z4 Internet | — | — | 0 |
| AS31881US | MTNSAT-ASN-01 - MTNSAT Holdings LLC | — | — | 0 |
| AS31884US | VSBGP - Vining Sparks | — | — | 0 |
| AS31888US | WHITE-CLOUD-COMMUNICATIONS - White Cloud Communications US, LLC | — | — | 0 |
| AS31896US | X2NSAT-FNS - X2nSat, Inc | — | — | 0 |
| AS31934US | SCENEABOVE-ASN-001 - Scene Above, Inc. | — | — | 0 |
| AS31968US | ADAMO-LLC - Adamo Creative, LLC | — | — | 0 |
| AS31969US | OSN-OUTER - GTT Americas, LLC | — | — | 0 |
| AS31995US | SCANTRON - Secur-Serv Inc. | — | — | 0 |
| AS32211US | CLOUDSINGULARITY-US - Tech Futures Interactive Inc. | — | — | 0 |
| AS32223US | EVBNET - Eventbrite Inc. | — | — | 0 |
| AS32248US | AETHERPAW - AetherPaw LLC | — | — | 0 |
| AS32249US | TECHVAULT-VT - TECH VAULT, INC. | — | — | 0 |
| AS32341US | HIMSS - HIMSS | — | — | 0 |
| AS32349US | CI-GROUP-AS - CI-GROUP | — | — | 0 |