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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. | 210.9M | 21,026 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,220 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48M | 3,585 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,933 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,534 |
| 4.6K |
| 3 |
| 9 |
| AS21833US | TRINITY-HEALTH - Trinity Health Corporation | 4.6K | — | 4 |
| AS397325US | DATACANOPY - Data Canopy Colocation, LLC | 4.6K | — | 18 |
| AS46664US | VDI-NETWORK - VolumeDrive | 4.6K | — | 18 |
| AS395944US | KENNETT-BOARD-OF-PUBLIC-WORKS - CLGW | 4.6K | — | 4 |
| AS36487US | NEB-SANDHILLS-NET - Consolidated Telephone Company | 4.6K | — | 18 |
| AS31950US | AS-DANS - Data Network Solutions | 4.6K | 65.5K | 5 |
| AS22855US | CARDINALHEALTH-AS01 - Cardinal Health, Inc. | 4.6K | 1 | 18 |
| AS11170US | ROLLERNETWORK - Roller Network LLC | 4.6K | 65.5K | 9 |
| AS16492US | DECHERT-LLP - Dechert LLP | 4.6K | — | 3 |
| AS13456US | SPOWA-ASN - City of Spokane | 4.6K | — | 5 |
| AS63436US | GREATLAKESCOMMUNICATION - Great Lakes Communication Corp. | 4.6K | 4.1K | 8 |
| AS54676US | MDC-AS01 - Metro Data Center LLC | 4.6K | — | 4 |
| AS3725US | ASN-SONY - Sony Pictures Technologies Inc. | 4.6K | 3 | 6 |
| AS32674US | BLUE-HILL-DATA-SERVICES-AS - Blue Hill Data Services | 4.6K | 65.5K | 4 |
| AS29902US | COMPLETE-COMPUTERS - Complete Computers | 4.6K | — | 11 |
| AS36032US | WBD-AS36032 - WARNER BROS ENTERTAINMENT INC | 4.6K | — | 11 |
| AS22062US | GEOSTAR - GeoStar, LLC. | 4.6K | — | 9 |
| AS30417US | BTIG-LLC - BTIG LLC | 4.6K | — | 15 |
| AS13786US | SEABORN - Seabras 1 USA, LLC | 4.6K | 132.6K | 18 |
| AS22027US | CBTS-USONX-01 - CBTS Technology Solutions LLC | 4.6K | — | 8 |
| AS46786US | IPTRANSIT - IP Transit Inc. | 4.6K | 65.5K | 15 |
| AS394170US | SUSQUEHANNA-UNIVERSITY - Susquehanna University | 4.6K | — | 3 |
| AS402310US | AS-LOCAHOST - LocaHost LLC | 4.6K | — | 4 |
| AS53782US | PCOASTP - Pacific Coast Producers | 4.6K | — | 3 |
| AS14390US | CORENET - Coretel America, Inc. | 4.6K | — | 9 |
| AS16816US | S-NETCOM - S-Net, Inc. | 4.6K | 2 | 20 |
| AS395000US | DELUXE-DEC - Deluxe Corporation | 4.6K | — | 18 |
| AS44259US | ULTAHOST-AP-AS Ultahost, Inc. | 4.6K | — | 18 |
| AS33650US | COMCAST-33650 - Comcast Cable Communications, LLC | 4.6K | 109 | 122 |
| AS394330US | GIGFIRE - LTD Broadband LLC | 4.6K | 4.4K | 17 |
| AS35862US | JCWIFI - JCWIFI.COM | 4.6K | 65.5K | 6 |
| AS31783US | SKRC-SOUTH01 - SKYRIDER COMMUNICATIONS LLC | 4.6K | — | 13 |
| AS33430US | VTSILAS - Vantage Technologies Systems Integration, LLC | 4.6K | — | 3 |
| AS13821US | ACML - AllianceBernstein L.P. | 4.6K | — | 17 |
| AS53958US | BART-BM - AUPROXIES LLC | 4.6K | — | 3 |
| AS19512US | LYONDELL - Lyondell Chemical Company | 4.6K | — | 18 |
| AS29819US | MIS124 - Natural Networks, Inc. | 4.6K | — | 3 |
| AS3380US | PPPL-AS1 - Princeton Plasma Physics Laboratory | 4.6K | — | 3 |
| AS63179US | TWITTER - Twitter Inc. | 4.6K | — | 11 |
| AS13831US | POGOZONE-OA - PogoZone | 4.6K | — | 3 |
| AS35988US | UMASS-MEMORIAL-HEALTH-CARE - Umass Memorial health care inc | 4.6K | — | 3 |
| AS54900US | ALIANZA-INC - Alianza Inc. | 4.6K | 5 | 16 |
| AS46685US | MURPHY-CATV - Murphy Cable TV | 4.6K | — | 4 |
| AS19353US | TUASN7 - Trans Union, LLC | 4.6K | — | 9 |
| AS397754US | TELLERWIFI - TellerWifi | 4.6K | — | 12 |
| AS15347US | 15347 - IBEX Global Solutions | 4.6K | — | 10 |