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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,247 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,189 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,901 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,010 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,222 |
| — |
| — |
| 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 |
| 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 |
| AS401991US | DWS-CNSH-CORP - Disney Worldwide Services, Inc. | — | — | 0 |
| AS401996US | NOIZE-NET - Noize Communications | — | — | 0 |
| AS402002US | ASCEND - Ascend Network Solutions LLC | — | — | 0 |
| AS402031US | CN-CLOUD-COWBOYS-1 - TechTrade Solutions | — | — | 0 |
| AS402040US | BAYFIELD-COUNTY - Bayfield County | — | — | 0 |
| AS402043US | ASN-FIBERFED-GEO3 - Trinity Network Solutions | — | — | 0 |
| AS402150US | MYRIAD-AS-1 - Myriad Networks LLC | — | — | 0 |
| AS402154US | SDO-VOYAGER - Dawn Ventures | — | — | 0 |
| AS402155US | WEB-01 - Beinn | — | — | 0 |
| AS402207US | ALIBABA CLOUD US - Alibaba Cloud LLC | — | — | 0 |
| AS402415US | VPECEDGE - Vpecedge | — | — | 0 |
| AS402422US | DARKSTAR-CMT - Darkstar | — | — | 0 |
| AS402449US | DALLAS - Twins | — | — | 0 |