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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS32399US | ALORICA - ALORICA INC | — | — | 0 |
| AS32057US | BRMHMRB - BLUEGRASS REGIONAL MENTAL HEALTH-MENTAL RETARDATION BOARD, INC. | — | — | 0 |
| AS26474US | PRODEGE-SPARE - MyPoints.com, Inc. | — | — | 0 |
| AS30716US | ROSEINT - Rose international | — | — | 0 |
| AS26309US | MUSIC-CITY-IX-ROUTE-SERVERS - Richmond-IX Corporation | — | — | 0 |
| AS26635US | MCCC-10152002-NJEDGE - Mercer County Community College | — | — | 0 |
| AS26803US | FIBERNOC - Evocative, Inc. | — | — | 0 |
| AS26322US | DIGICOMM - DIGITAL COMM LINK, INC. | — | — | 0 |
| AS26203US | ALLEGHENYINTEL-ALT - Breezeline | — | — | 0 |
| AS22553US | BLATE-NETWORK-99 - BLATE NETWORK LLC | — | — | 0 |
| AS13800US | AUBURN-IX - Ninja-IX Corporation | — | — | 0 |
| AS13663US | VRIS-AS-BLOCK - Verizon Business | — | — | 0 |
| AS13642US | CITI-FFG - Citigroup Inc. | — | — | 0 |
| AS14547US | SYMC-CPE - Avago Technologies U.S. Inc. | — | — | 0 |
| AS15156US | TSBVI - Texas School for the Blind and Visually Impaired | — | — | 0 |
| AS14896US | CSNOC - Computer Solutions | — | — | 0 |
| AS14856US | AS-VUDU - VUDU, Inc. | — | — | 0 |
| AS22675US | MASTERBRAND-CABINETS - MASTERBRAND CABINETS, INC. | — | — | 0 |
| AS22902US | DNIC-AS-22902 - United States Department of Defense (DoD) | — | — | 0 |
| AS13708US | DNIC-AS-13708 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS22486US | VEGAS-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS20017US | TRANSCORE-FBS - DAT Solutions, LLC | — | — | 0 |
| AS22175US | TWOSIGMA - TWO SIGMA INVESTMENTS, LP | — | — | 0 |
| AS25630US | RPMAS - RP Management, LLC | — | — | 0 |
| AS25608US | AARONSNET - Aaron's Net | — | — | 0 |
| AS23016US | SB-TOPEKA - Security Benefit | — | — | 0 |
| AS23143US | ADMC-ONLINE - ATT Broadband | — | — | 0 |
| AS19784US | TBA - FIRSTLIGHT FEDERAL CREDIT UNION | — | — | 0 |
| AS16829US | TESSCO-MD - Tessco Technologies | — | — | 0 |
| AS32392US | OPENTRANSFER-ECOMMERCE - Newfold Digital, Inc. | — | — | 0 |
| AS33746US | TTEK-AS - TETRA TECH, INC. | — | — | 0 |
| AS35896US | OPTUMINSIGHT-FRANKLIN - UnitedHealth Group Incorporated | — | — | 0 |
| AS33518US | INGENIX - Ingenix, Inc. | — | — | 0 |
| AS33342US | QUALCOMM-AUSTIN - Qualcomm, Inc. | — | — | 0 |
| AS16549US | PLCS - Papillion La Vista Community Schools | — | — | 0 |
| AS17122US | DISNEY-DATG-CPO - Disney Worldwide Services, Inc. | — | — | 0 |
| AS16883US | 365DC-2 - BroadbandONE, LLC | — | — | 0 |
| AS402266US | SLDNET - Salad Technologies, Inc. | — | 108 | 108 |
| AS16421US | NRT-HAWAII - Realogy Group LLC | — | — | 0 |
| AS16453US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS19374US | AS-TIERP-19374 - TierPoint, LLC | — | — | 0 |
| AS19279US | VISTAAR - VISTAAR | — | — | 0 |
| AS20245US | VONAGE-20245 - Vonage Holdings, Inc. | — | — | 0 |
| AS18713US | KYN-GTS - Kyndryl | — | — | 0 |
| AS13776US | QX-NET-ASN-1 - QX.Net | — | — | 0 |
| AS14357US | KCIT-I-NET - King County IT/I-NET | — | — | 0 |