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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 | 24,645 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,220 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 | 3,890 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,364 |
| — |
| — |
| 0 |
| AS26509US | AS-CDS-OFFICE-1 - Computer Development Systems, LLC | — | — | 0 |
| AS26530US | SIRUS-AS1 - Sirus, Inc | — | — | 0 |
| AS26648US | MERITENERGY - Merit Energy Company | — | — | 0 |
| AS26656US | MISYS-AS - Finastra Technology Inc. | — | — | 0 |
| AS26689US | CL-IX - H5 Data Centers | — | — | 0 |
| AS26719US | AI-18-26719 - Otava, LLC | — | — | 0 |
| AS26749US | CALLTOWER - CallTower, Inc. | — | — | 0 |
| AS26834US | ROSE-WEB-SERVICES - Rose Web Services LLC | — | — | 0 |
| AS26910US | GOOGLE-CLOUD-2 - Google LLC | — | — | 0 |
| AS26985US | MACERICH - THE MACERICH COMPANY | — | — | 0 |
| AS27040US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27048US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27092US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27095US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27266US | SN-155 - Supernova Networks, INC | — | — | 0 |
| AS27273US | DC37 - District Council 37 | — | — | 0 |
| AS27308US | INTELEMAGE - Intelemage, LLC | — | — | 0 |
| AS27354US | EQUINIX-CX-MI - Equinix, Inc. | — | — | 0 |
| AS27467US | AS-TIERP-27467 - TierPoint, LLC | — | — | 0 |
| AS27494US | NATL-MACH10 - Performive LLC | — | — | 0 |
| AS27525US | FNF-CLOUD2 - Fidelity National Financial Inc. | — | — | 0 |
| AS27538US | NOBLEENERGY-ASN2 - Chevron Corporation | — | — | 0 |
| AS27561US | BRONGUS - Brongus | — | — | 0 |
| AS27627US | KINGDOM-TECHNOLOGY-SOLUTIONS - Kingdom Technology Solutions | — | — | 0 |
| AS27642US | THEDOCTORSCOMPANY - The Doctors Company | — | — | 0 |
| AS29710US | BUNCOMBECOSCHOOLS - Buncombe County Schools | — | — | 0 |
| AS29717US | OMEDA-29717 - Omeda Communications | — | — | 0 |
| AS29740US | SSI-BGP4 - Schaefer Systems International, Inc. | — | — | 0 |
| AS29845US | DAVISMALM-ASN - Davis Malm & D'Agostine P.C. | — | — | 0 |
| AS29847US | SI-AS1 - Screws Industries, Inc. | — | — | 0 |
| AS29876US | VIRTUAL-TECHNOLGOIES-AND-SOLUTIONS - Virtual Technologies and Solutions LLC | — | — | 0 |
| AS29929US | CHADDESK-NET-V1 - ChadDesk LLC | — | — | 0 |
| AS29962US | DWNI-B-NETWORK - Wave Broadband | — | — | 0 |
| AS29983US | INTEGRATELECOM - Allstream Business US, LLC | — | — | 0 |
| AS30099US | SB-2 - Cogeco Peer 1 (USA) Inc. | — | — | 0 |
| AS30106US | ANCOR - Ancor Information Management | — | — | 0 |
| AS30126US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS30266US | RF-SJC-DATACENTER - Rodan & Fields LLC | — | — | 0 |
| AS30273US | DIDL-1 - DreamWorks Studios | — | — | 0 |
| AS30297US | APPLI-54 - Application X | — | — | 0 |
| AS30314US | KAN-ED - Kansas Research and Education Network | — | — | 0 |
| AS30333US | ASCD - ASCD | — | — | 0 |
| AS30340US | AS-TIERP-30340 - TierPoint, LLC | — | — | 0 |
| AS30411US | CHARTER-30411-NA - Charter Communications LLC | — | — | 0 |
| AS30420US | YCM - YORK CAPITAL MANAGEMENT (US) ADVISORS, L.P. | — | — | 0 |
| AS30476US | T2-CT-SHN - Charles Schwab & Co., Inc. | — | — | 0 |