Loading…
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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| 512 |
| 1 |
| 2 |
| AS62691US | ACA-ISG - AMERICAN CREDIT ACCEPTANCE | 512 | — | 2 |
| AS398401US | CRONUS - CRONUS COMMUNICATIONS, L.L.C. | 512 | 65.5K | 3 |
| AS35008US | KERFUFFLE - Kerfuffle, LLC | 512 | 257 | 4 |
| AS400232US | DAMBROUKA - Dambrouka Inc. | 512 | 3 | 4 |
| AS22304US | CITY-OF-MARIETTA-GEORGIA - City of Marietta | 512 | — | 2 |
| AS46587US | 2991400 - Cerberus Capital Management LP | 512 | — | 2 |
| AS395980US | COMCAST-MES - Comcast Cable Communications, LLC | 512 | — | 2 |
| AS29905US | BAIN-CAPITAL - Bain Capital, LP | 512 | — | 2 |
| AS36437US | SCC-44 - County of Santa Cruz | 512 | — | 2 |
| AS27437US | IGN - IGN Entertainment | 512 | — | 2 |
| AS397999US | TGNA-WPMT - TEGNA Inc. | 512 | — | 2 |
| AS55078US | DIVING-BELL - DIVING BELL DEV LLC | 512 | 4.1K | 3 |
| AS32885US | IHS-ASN-27 - UnityPoint Health | 512 | — | 2 |
| AS14679US | CURBASN - Curb Mobility, LLC | 512 | — | 2 |
| AS19636US | FORMFACTOR - FORMFACTOR, INC | 512 | — | 1 |
| AS1019US | SOTERAHEALTH - Sotera Health | 512 | — | 2 |
| AS398847US | GTE-FINANCIAL01 - GTE Financial | 512 | — | 2 |
| AS399419US | PSI-CORE-OH1 - Prime Servers, Inc. | 512 | — | 2 |
| AS402453US | WEALTH - Wealth | 512 | — | 2 |
| AS393878US | EPIC-HOSTING-2 - Epic Hosting, LLC | 512 | — | 1 |
| AS198905US | DIGICERT_QUOVADIS DigiCert, Inc. | 512 | — | 2 |
| AS5694US | UNIFIED-NET - Blue Cross Blue Shield Association | 512 | — | 2 |
| AS398374US | NSL-ASN - Pro-Mark, LLC | 512 | — | 2 |
| AS30250US | AS-ALLENISD-610 - Allen Independent School District | 512 | — | 2 |
| AS25841US | FUSIONAPPS - Fusionapps, LLC. | 512 | — | 2 |
| AS399809US | LAER-AS-FRA1 - UnitedLayer, LLC | 512 | 1 | 3 |
| AS19913US | AS-WPNP - W-PNP, Inc. | 512 | — | 2 |
| AS13732US | CELLNET - CellNet Communications | 512 | 1 | 3 |
| AS53381US | WAGWEB - Wagner-Weber Associates, Inc. | 512 | — | 2 |
| AS394411US | DPH-AS - Department of Public Health | 512 | — | 2 |
| AS399368US | KIRKLAND-ELLIS-RY - Kirkland & Ellis LLP | 512 | — | 2 |
| AS30474US | IMPRIVATA-DC - Imprivata Inc | 512 | — | 2 |
| AS214300US | Layer4-Group Layer 4 Group LLC | 512 | — | 2 |
| AS36589US | BNCBASHQBRNJ - BARNES & NOBLE COLLEGE BOOKSELLERS | 512 | — | 2 |
| AS33141US | NOCSERVICES - NOC SERVICES CORP. | 512 | — | 2 |
| AS47754US | SQP-AS Squarepoint OPS LLC | 512 | — | 2 |
| AS394733US | LALC-ASN - Los Angeles LGBT Center | 512 | — | 2 |
| AS399121US | CNB-OF-TEXAS - Citizens National Bank of Texas | 512 | — | 2 |
| AS30009US | FAPS - First American Payment Systems Inc. | 512 | — | 2 |
| AS400732US | RIVERNET - RiverNet, LLC | 512 | 4.1K | 3 |
| AS36851US | DIALINTERNET - DialAmerica Marketing, Inc | 512 | — | 2 |
| AS395918US | SIL-MAIN-AS - Sandestin Investments LLC | 512 | — | 2 |
| AS36723US | WAUKESHA-COUNTY-INTERNET - Waukesha County | 512 | — | 2 |
| AS396915US | AIRE-INTERNET-01 - Net Vision Communications, LLC | 512 | — | 1 |
| AS62634US | NGP-TELENETWORKS - NGP Telenetworks, Inc. | 512 | — | 1 |
| AS36309US | LG-NET - LOUIS GLICK INTERNATIONAL LTD. | 512 | — | 2 |