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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 |
| 4.6K |
| 105 |
| 118 |
| AS32674US | BLUE-HILL-DATA-SERVICES-AS - Blue Hill Data Services | 4.6K | 65.5K | 4 |
| AS27011US | XSR-ASN - XM Satellite Radio | 4.6K | — | 17 |
| AS401443US | WAP-AC - WAP.AC LLC | 4.6K | — | 16 |
| AS397325US | DATACANOPY - Data Canopy Colocation, LLC | 4.6K | — | 18 |
| AS22027US | CBTS-USONX-01 - CBTS Technology Solutions LLC | 4.6K | — | 8 |
| AS46176US | JIUCLOUD - JiuCloud Networks LLC | 4.6K | — | 5 |
| AS394140US | NATIVENETWORK-1 - Native Network | 4.6K | — | 12 |
| AS13443US | LINKEDIN - LinkedIn Corporation | 4.6K | 503 | 76 |
| AS394170US | SUSQUEHANNA-UNIVERSITY - Susquehanna University | 4.6K | — | 3 |
| AS398335US | HELIO - Helio Broadband, LLC | 4.6K | — | 4 |
| AS40510US | SFWL - Southern Fiber Worx | 4.6K | — | 9 |
| AS23304US | DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company | 4.6K | — | 4 |
| AS54363US | BHI - Baker Hughes Holdings LLC | 4.6K | — | 17 |
| AS397754US | TELLERWIFI - TellerWifi | 4.6K | — | 12 |
| AS54676US | MDC-AS01 - Metro Data Center LLC | 4.6K | — | 4 |
| AS394867US | VC-ASN-01 - Velocity Communications, Inc. | 4.6K | — | 4 |
| AS3380US | PPPL-AS1 - Princeton Plasma Physics Laboratory | 4.6K | — | 3 |
| AS4868US | PIONEER - Pioneer Hi-Bred International, Inc. | 4.6K | — | 13 |
| AS397087US | MUW-ASN-01 - Mississippi University for Women | 4.6K | — | 3 |
| AS3571US | EY-AS - Ernst & Young LLP | 4.6K | — | 18 |
| AS13821US | ACML - AllianceBernstein L.P. | 4.6K | — | 17 |
| AS13786US | SEABORN - Seabras 1 USA, LLC | 4.6K | 132.6K | 17 |
| AS23251US | BRIDGESTONE-AMERICAS - Bridgestone Americas, Inc. | 4.6K | — | 18 |
| AS29938US | ENDICOTT-DIRECT-NETWORK - Endicott College | 4.6K | — | 3 |
| AS1733US | DISACENT-NIPR-ASN - United States Department of Defense (DoD) | 4.6K | 3 | 13 |
| AS38047US | TAIWAN-TELECOM - Taiwan Telecom | 4.6K | 65.8K | 30 |
| AS400494US | CIRRASCALE-CLOUD-01 - Cirrascale Cloud Services LLC | 4.6K | — | 18 |
| AS21515US | NET-SISQTEL-NET1 - SISKIYOU TELEPHONE COMPANY | 4.6K | 65.5K | 3 |
| AS22062US | GEOSTAR - GeoStar, LLC. | 4.6K | — | 9 |
| AS395944US | KENNETT-BOARD-OF-PUBLIC-WORKS - CLGW | 4.6K | — | 4 |
| AS395357US | RIVIERA-CELLULAR-AND-TELECOMMUNICATIONS-INC - Riviera Telephone Company, Inc. | 4.6K | — | 11 |
| AS33430US | VTSILAS - Vantage Technologies Systems Integration, LLC | 4.6K | — | 3 |
| AS16816US | S-NETCOM - S-Net, Inc. | 4.6K | 2 | 20 |
| AS46193US | SKYWERX - Visionary Communications LLC | 4.6K | — | 15 |
| AS46685US | MURPHY-CATV - Murphy Cable TV | 4.6K | — | 4 |
| AS30343US | DFWCHECKPOINT - Check Point Software Technologies, Inc. | 4.6K | 1 | 4 |
| AS19353US | TUASN7 - Trans Union, LLC | 4.6K | — | 9 |
| AS394533US | ROANOKECOLLEGE - Roanoke College | 4.6K | — | 4 |
| AS46664US | VDI-NETWORK - VolumeDrive | 4.6K | 4.1K | 19 |
| AS64245US | AS-DIGITALFYRE - DigitalFyre Internet Solutions, LLC. | 4.6K | 16 | 34 |
| AS53926US | APA-US-ASN - Apache Corporation | 4.6K | — | 4 |
| AS401339US | YCL-US - YAMATO CLOUD LLC | 4.6K | — | 14 |
| AS35862US | JCWIFI - JCWIFI.COM | 4.6K | 65.5K | 6 |
| AS36032US | WBD-AS36032 - WARNER BROS ENTERTAINMENT INC | 4.6K | — | 11 |
| AS36487US | NEB-SANDHILLS-NET - Consolidated Telephone Company | 4.6K | — | 18 |
| AS31950US | AS-DANS - Data Network Solutions | 4.6K | 65.5K | 5 |