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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 | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 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 | 4,341 |
| CWAX-PRI-ASN-01-0321 - City of Waxahachie |
| — |
| — |
| 0 |
| AS399507US | CRUSOE-ASN-A - CRUSOE ENERGY SYSTEMS LLC | — | — | 0 |
| AS399547US | BOARD-OF-ELECTIONS-IN-THE-CITY-OF-NEW-YORK-ENR - Board of Elections in the City of New York | — | — | 0 |
| AS399596US | APOG-MUSKINGUM - Apogee Telecom Inc. | — | — | 0 |
| AS399644US | BPL-AS - Best Productions, LLC | — | — | 0 |
| AS399793US | SOLAIS-LIGHTING-FRISCO - Solais | — | — | 0 |
| AS399845US | OKCPS-SUPP-1 - OKLAHOMA CITY PUBLIC SCHOOLS | — | — | 0 |
| AS399941US | MESA-AIR-01 - Mesa Airlines, Inc. | — | — | 0 |
| AS400010US | TSYS-EQUINIX-FR7 - Global Payments Inc. | — | — | 0 |
| AS400139US | INDATEL - Indatel Services, LLC | — | — | 0 |
| AS400247US | DTC-03-LEBANON-TN - DTC Communications, Inc. | — | — | 0 |
| AS400275US | AS-PHOENIXNAP-AUS - SECURED SERVERS LLC | — | — | 0 |
| AS400368US | BBRAUN-ASN-01 - B. Braun Medical Inc. | — | — | 0 |
| AS400432US | SKYPACKET - SkyPacket | — | — | 0 |
| AS400450US | FPU-VAST-93702 - FRESNO | — | — | 0 |
| AS400504US | CLEARVIEW-CANCER-INSTITUTE - Clearview Cancer Institute | — | — | 0 |
| AS400515US | LITCOM-01 - Omni Fiber | — | — | 0 |
| AS400542US | BRIDG-81-01 - BridgeNET Fiber | — | — | 0 |
| AS400548US | BRIDGE-IX-CMH - DartPoints Operating Company, LLC | — | — | 0 |
| AS400562US | AS-ATOM - Atom Networks, LLC | — | — | 0 |
| AS400577US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400581US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400675US | ASCENTBROADBAND - Ascent Broadband LLC | — | — | 0 |
| AS400715US | SIXPATHS - Six Paths LLC | — | — | 0 |
| AS400777US | MEGAWIT - Megawit | — | — | 0 |
| AS400778US | COMTEC-SA-LLC-ASN - COMTEC | — | — | 0 |
| AS400834US | TRAENCO - TRAENCO LLC | — | — | 0 |
| AS400839US | XNETMOBILE-A1 - XNET, Inc. | — | — | 0 |
| AS400921US | HCS01 - Hodgson Consulting & Solutions, Ltd. | — | — | 0 |
| AS400968US | HOSTRAM - HOSTRAM | — | — | 0 |
| AS400976US | BYTEFLOW - BYTEFLOW LLC | — | — | 0 |
| AS401033US | TRI-COUNTY-COMM-COOP-WI - Tri-County Communications Cooperative, Inc. | — | — | 0 |
| AS401100US | BMUS-ISP-AS01 - Bradley Morrissey (US) LLC | — | — | 0 |
| AS401104US | CYBERPLANET - Cyber Planet LLC | — | — | 0 |
| AS401260US | DSI-AZURE-01 - SARA Plus, LLC | — | — | 0 |
| AS401275US | AIRBYTES-NET - AIRBYTES COMMUNICATIONS LLC | — | — | 0 |
| AS401346US | CGI-COMMUNICATIONS-LLC-US - CGI-COMMUNICATIONS LLC | — | — | 0 |
| AS401386US | HYPERGROUP-NET - Hyper Group Network LLC | — | — | 0 |
| AS401412US | ASN-EXTN-CH2 - The Northern Trust Company | — | — | 0 |
| AS401545US | HCDL-SUNNYVALE-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS401551US | ANTHROPIC-3 - Anthropic, PBC | — | — | 0 |
| AS401630US | ONBIZ - Onlinebiz LLC | — | — | 0 |
| AS401752US | PL-ASN-US - PALNETS LLC | — | — | 0 |
| AS401788US | ARIN-XYG - Xinye Grass Technology inc | — | — | 0 |
| AS401821US | CYGNUS-NETWORK-A - Cygnus Networks LLC | — | — | 0 |
| AS401887US | NYIIX-NY-GOOGLE-VPP - TELEHOUSE International Corp. of America | — | — | 0 |
| AS401981US | ROSSHOSTING-LLC - RossHosting LLC | — | — | 0 |