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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) | 227.7M | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,712 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,299 |
| AKAMAI-NOMINUM-ASN - Akamai Technologies, Inc. |
| — |
| — |
| 0 |
| AS22456US | GOLDF-AS - Goldfarb & Fleece | — | — | 0 |
| AS22486US | VEGAS-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS22570US | AUTODESK-1 - Autodesk, Inc. | — | — | 0 |
| AS22584US | NTELOS-PCS - Shenandoah Cable Television LLC | — | — | 0 |
| AS22675US | MASTERBRAND-CABINETS - MASTERBRAND CABINETS, INC. | — | — | 0 |
| AS22756US | ISLC-BLUFFTON - ISLC, Inc. | — | — | 0 |
| AS22895US | CMR1122 - CMR LLC | — | — | 0 |
| AS22902US | DNIC-AS-22902 - United States Department of Defense (DoD) | — | — | 0 |
| AS22958US | FIDELITY-001 - Fusion, LLC | — | — | 0 |
| AS22965US | VMW-PA-CLOUD-CONNECT - Avago Technologies U.S. Inc. | — | — | 0 |
| AS23009US | NORC-2 - NORC | — | — | 0 |
| AS23016US | SB-TOPEKA - Security Benefit | — | — | 0 |
| AS23108US | QUANTACT - Big | — | — | 0 |
| AS23110US | AS-FSNET - FS Net LLC | — | — | 0 |
| AS23143US | ADMC-ONLINE - ATT Broadband | — | — | 0 |
| AS23215US | MEGAPATH-US - GTT Americas, LLC | — | — | 0 |
| AS23238US | ICON-ENTERPRISES - CivicPlus, LLC | — | — | 0 |
| AS23276US | WINTSEC - Wintsec Technologies, LLC | — | — | 0 |
| AS23293US | KNAOHUS - KNOAH SOLUTIONS | — | — | 0 |
| AS23321US | PH-ASN - Pleasant Holidays LLC | — | — | 0 |
| AS23529US | BONAPPETIT - BON APPETIT MGMT CO | — | — | 0 |
| AS25608US | AARONSNET - Aaron's Net | — | — | 0 |
| AS25630US | RPMAS - RP Management, LLC | — | — | 0 |
| AS25650US | ION-WESTPALMBEACH-WPB - The E.W. Scripps Company | — | — | 0 |
| AS25698US | SMART-CITY - Smart City Telecom | — | — | 0 |
| AS25702US | MORRISDICKSON1 - New Tech Computer Systems | — | — | 0 |
| AS25708US | SNAUTO - Sonic Automotive, Inc. | — | — | 0 |
| AS25768US | AQ-1 - Aquent, LLC | — | — | 0 |
| AS25982US | NORTH-DALLAS-BANK - North Dallas Bank and Trust | — | — | 0 |
| AS26047US | MGMEAD - Meadgroup, Inc. | — | — | 0 |
| AS26067US | REDSEA - REDSEACLOUD LLC | — | — | 0 |
| AS26203US | ALLEGHENYINTEL-ALT - Breezeline | — | — | 0 |
| AS26212US | DRF-IXNET-HI - DR Fortress, LLC | — | — | 0 |
| AS26267US | SIMPLER-WEBB - Simpler-Webb, Inc. | — | — | 0 |
| AS26309US | MUSIC-CITY-IX-ROUTE-SERVERS - Richmond-IX Corporation | — | — | 0 |
| AS26314US | TI-AUTOMOTIVE - TI GROUP AUTOMOTIVE SYSTEMS, L.L.C. | — | — | 0 |
| AS26322US | DIGICOMM - DIGITAL COMM LINK, INC. | — | — | 0 |
| AS26339US | JAS-NETWORKS-INC - The Iserv Company, LLC | — | — | 0 |
| AS26432US | HSBGROUP - Hartford Steam Boiler Inspection & Insurance Company | — | — | 0 |
| AS26435US | MERCHANT-SOLUTIONS-26435 - Worldpay, LLC | — | — | 0 |
| AS26474US | PRODEGE-SPARE - MyPoints.com, Inc. | — | — | 0 |
| AS26571US | ZBI - Ziff Brothers Investments, LLC | — | — | 0 |
| AS26586US | COMENTUM - Comentum Corp. | — | — | 0 |
| AS26635US | MCCC-10152002-NJEDGE - Mercer County Community College | — | — | 0 |
| AS26688US | PFTC-33 - PFTC Trading LLC | — | — | 0 |
| AS26803US | FIBERNOC - Evocative, Inc. | — | — | 0 |