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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,681 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,370 |
| 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.
32,364 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,914 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,047 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,503 |
| — |
| — |
| 0 |
| AS36476US | WEB-COM-ASN1 - Web.com Group, Inc. | — | — | 0 |
| AS36496US | SYNAPSEGLOBAL - Synapse Global Corporation | — | — | 0 |
| AS36507US | MOTOROLA-MOBILITY - Motorola Inc | — | — | 0 |
| AS36626US | JGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36653US | MEX-IX-ELP-ROUTE-SERVER - McAllen Data Center, LLC | — | — | 0 |
| AS36656US | WHATCOUNTS-ASN-1 - WhatCounts | — | — | 0 |
| AS36727US | TWC-36727-NA - Charter Communications Inc | — | — | 0 |
| AS36840US | READYCONNECT-ASN - Ready Wireless, LLC | — | — | 0 |
| AS39977US | TRANSUNION-ADS-LNX1 - TRANSUNION | — | — | 0 |
| AS39995US | BRIGHTROLL - Yahoo Holdings Inc. | — | — | 0 |
| AS40066US | FAST-SEARCH-AND-TRANSFER-INC - Microsoft Corporation | — | — | 0 |
| AS40142US | TYLERPROD - Tyler Productions LLC | — | — | 0 |
| AS40210US | GKNETASN - GALLAGHER & KENNEDY P.A. | — | — | 0 |
| AS40257US | OIC-HQ - Oregon Ice Cream, LLC | — | — | 0 |
| AS40305US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40309US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40322US | PROPAY-AS3 - Global Payments Inc. | — | — | 0 |
| AS40340US | PFCHANG - P. F. Chang's China Bistro, Inc. | — | — | 0 |
| AS40487US | INFUSION-SOFTWARE-AS - Infusion Software | — | — | 0 |
| AS40576US | SHAWNEELINK - ShawneeLink Corporation | — | — | 0 |
| AS40580US | GRAPHIC-PRODUCTS - Graphic Products Inc. | — | — | 0 |
| AS40863US | COURTHOUSE - Bossier Parish Police Jury | — | — | 0 |
| AS40882US | SPI-HOSTING - PowerSchool | — | — | 0 |
| AS46098US | BDG-AS-01 - Broadband Development Group, LLC | — | — | 0 |
| AS46114US | RDM-OR-US - City of Redmond, OR | — | — | 0 |
| AS46260US | MEDHOST-INC - MEDHOST, Inc. | — | — | 0 |
| AS46271US | DT-PROD - Dealertrack, Inc. | — | — | 0 |
| AS46285US | DLX-HWD - Deluxe Laboratories, Inc. | — | — | 0 |
| AS46295US | ATNL-3-46295 - All Tribal Networks LLC | — | — | 0 |
| AS46306US | BAC-ASN2011BGP - BACTES | — | — | 0 |
| AS46321US | FISD - Forney Independent School District | — | — | 0 |
| AS46332US | ACTBLUETECH - ActBlue Technical Services, Inc. | — | — | 0 |
| AS46344US | ASPIRELIFESTYLES-BURLINGTON - Circle Company Associates, Inc. | — | — | 0 |
| AS46380US | BANK-OF-AGRICULTURE-AND-COMMERCE - BAC | — | — | 0 |
| AS46393US | ALTIUS-KY-AS - ALTIUS Broadband, LLC | — | — | 0 |
| AS46427US | SF-INNOV - SF Innovations Inc. | — | — | 0 |
| AS46500US | HUNTSVILLE-IX-ROUTE-SERVERS - Richmond-IX Corporation | — | — | 0 |
| AS46532US | BARE-METAL-CLOUD - Newservers Incorporated | — | — | 0 |
| AS46602US | TPC - PLAIN DEALER PUBLISHING CO. | — | — | 0 |
| AS46648US | SUTTERHEALTH - Sutter Health | — | — | 0 |
| AS46666US | MARKETAXESSTECH-INC-AS - MarketAxess Technologies, Inc. | — | — | 0 |
| AS46668US | KBMG - Choreograph | — | — | 0 |
| AS46819US | CHOCTAW-DETROIT - CHOCTAW-KAUL DISTRIBUTION COMPANY | — | — | 0 |
| AS46845US | NATURE-AMERICA-SF - Springer Nature America, INC | — | — | 0 |
| AS46911US | HSMNDC2-1 - Best Buy Co., Inc. | — | — | 0 |
| AS46989US | CBEYOND - Fusion, LLC | — | — | 0 |