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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 | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| — |
| — |
| 0 |
| AS30195US | CHARLESBANK - Charlesbank Capital Partners | — | — | 0 |
| AS31953US | HUL-44-31953 - Halajot USA LLC | — | — | 0 |
| AS30576US | SAEN - San Antonio Express-News | — | — | 0 |
| AS27060US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS63026US | DP-ASN - DartPoints LLC | — | — | 0 |
| AS62719US | AS-PCNET-ORL - Corserva, Inc. | — | — | 0 |
| AS62505US | AS-PHX - Noble Systems Corporation | — | — | 0 |
| AS27290US | DISCRETE-TECH-SVCS - Discrete LLC | — | — | 0 |
| AS54988US | CMAS1 - cloudmain.com | — | — | 0 |
| AS54908US | DEVONCORP2 - Devon Energy Corporation | — | — | 0 |
| AS54255US | BS - Bitstine LLC | — | — | 0 |
| AS55174US | BPTECHSERVICES - Bay Pointe Tech Services, LLC | — | — | 0 |
| AS207873US | LOOKINGCENTER HOSTING GALLERY LLC | — | — | 0 |
| AS206116US | GATE-AS-EU Gate Communications LLC | — | — | 0 |
| AS136025US | ORACLE-AS-AP - Oracle Corporation | — | — | 0 |
| AS146951US | ISC-AS-AP - ISC F-Root Kolkata | — | — | 0 |
| AS63471US | HIDGLOBAL-AS - HID Global Corporation | — | — | 0 |
| AS63446US | GLOBALCONNECTIONS-AS - Global Connections, Inc | — | — | 0 |
| AS63218US | ARIN-WEBINAR - American Registry for Internet Numbers | — | — | 0 |
| AS402305US | NOVONODE - Quality Servers LLC | — | — | 0 |
| AS33212US | DAYSTARR-AS - Daystarr Communications | — | — | 0 |
| AS400802US | SQUIRREL-NET-01 - Squirrel Logic LLC | — | — | 0 |
| AS399446US | THEWORLDIX-ASN-1 - TheWorldIX | — | — | 0 |
| AS398708US | OFFICERING - OFFICERING LLC | — | — | 0 |
| AS399573US | FLOSPORTS-BGP - Flosports, Inc. | — | — | 0 |
| AS399532US | ULAYER-AS - Universal Layer LLC | — | — | 0 |
| AS400253US | NOA-REMOTE - Nintendo Of America inc. | — | — | 0 |
| AS399467US | SUMOFIBER-STGEORGE - Sumofiber | — | — | 0 |
| AS36017US | CESL-21-ASN-36017 - Claro Enterprise Solutions, LLC | — | — | 0 |
| AS35933US | NELSON-HQ-AS - Nelson & Associates | — | — | 0 |
| AS33682US | WEBERHS - Weber Human Services Foundation | — | — | 0 |
| AS36118US | EXCLUSIVE-RESORTS - Exclusive Resorts, LLC | — | — | 0 |
| AS33215US | OVATI-10 - Ovation Travel Group, Inc. | — | — | 0 |
| AS54418US | ANBTX - American National Bank of Texas | — | — | 0 |
| AS40310US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS33708US | AS3-COLOAM - Colocation America Corporation | — | — | 0 |
| AS40103US | MAJESTIC-STEEL-USA - Majestic Steel USA, Inc. | — | — | 0 |
| AS40079US | NFP-INSURANCE-SERVICES-TEXAS - NATIONAL FINANCIAL PARTNERS CORP. | — | — | 0 |
| AS36729US | BC - Brash Concepts, Inc. | — | — | 0 |
| AS400058US | HUDSON - Right Networks, LLC | — | — | 0 |
| AS39182US | JUMPTRADING-39182-AS Jump Systems, LLC | — | — | 0 |
| AS30178US | CSI-ASN - College of Southern Idaho | — | — | 0 |
| AS29877US | STS-TELECOM-AS-1 - Windstream Communications LLC | — | — | 0 |
| AS30044US | MVCC - Miami Valley Communications Council | — | — | 0 |
| AS27491US | NATIONAL-FINANCIAL-PARTNERS-CORP - NATIONAL FINANCIAL PARTNERS CORP. | — | — | 0 |
| AS33087US | AMCOI - AMCO Insurance Company | — | — | 0 |