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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,346 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| VISALIA-UNIFIED-SCHOOL-DISTRICT - VUSD |
| 512 |
| — |
| 2 |
| AS22304US | CITY-OF-MARIETTA-GEORGIA - City of Marietta | 512 | — | 2 |
| AS927US | QUINTILLION - Quintillion Subsea Operations, LLC | 512 | — | 2 |
| AS16769US | AS16769 - Sotheby's Inc. | 512 | — | 2 |
| AS393488US | CVR-ENERGY - CVR Services, LLC | 512 | — | 1 |
| AS32894US | MCWANE - McWane, Inc. | 512 | — | 2 |
| AS40668US | FENWAL-INCORPORATED - Fenwal, Inc. | 512 | — | 2 |
| AS393917US | CVE - Cache Valley Electric Company | 512 | — | 2 |
| AS13732US | CELLNET - CellNet Communications | 512 | 1 | 3 |
| AS30450US | CITY-OF-LATHROP - City of Lathrop | 512 | — | 2 |
| AS36574US | WYFF-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS21801US | JEWELERS - Jewelers Mutual Insurance Company | 512 | — | 2 |
| AS394813US | KRRBI - Karuk Tribe | 512 | — | 1 |
| AS2636US | LOUISVILLE-MSD-ASN-01 - LOUISVILLE AND JEFFERSON COUNTY METROPOLITAN SEWER DISTRICT | 512 | — | 1 |
| AS402530US | FELWARE - Felware | 512 | 4.1K | 2 |
| AS14914US | JBPCO - J.B. Poindexter & Co., Inc. | 512 | — | 1 |
| AS63310US | AS-NABP - NABP | 512 | — | 1 |
| AS395230US | ABM-IND-DR - ABM Industries | 512 | — | 2 |
| AS13527US | GOOFL-TESTBED - Gooflare LLC | 512 | 216 | 203 |
| AS22048US | WHOLE-FOODS - Whole Foods Market, Inc. | 512 | — | 2 |
| AS23218US | TMC - Texas Medical Center | 512 | — | 2 |
| AS930US | CITY-OF-CELINA - CITY OF CELINA | 512 | — | 2 |
| AS402084US | AES-LLC-01 - AES Services LLC | 512 | 1 | 3 |
| AS36023US | SIRIUSSATELLITERADIO - SIRIUS SATELLITE RADIO | 512 | — | 1 |
| AS396296US | HORIZON-CREDIT-UNION-57 - Horizon Credit Union | 512 | — | 2 |
| AS19514US | MAGTEK-HQ - MagTek Inc. | 512 | — | 1 |
| AS397457US | MSC-TC - MSC Inc | 512 | 1 | 2 |
| AS6304US | STAIRWELL - Stairwell, Inc | 512 | 256 | 3 |
| AS394566US | ALEGEUS-AS - ALEGEUS TECHNOLOGIES, LLC | 512 | 1 | 3 |
| AS394450US | MCKINSEY-US-ADP - McKinsey & Company, Inc. | 512 | — | 2 |
| AS54798US | ODDBYTES - Oddbytes LLC | 512 | — | 2 |
| AS397808US | FAXAGE-01 - FAXAGE | 512 | — | 2 |
| AS33141US | NOCSERVICES - NOC SERVICES CORP. | 512 | — | 2 |
| AS400848US | DHI9PUT - DHI TECHNICAL SERVICES LLC | 512 | 256 | 2 |
| AS20047US | CITYOFVABEACH - City of Virginia Beach, Virginia | 512 | — | 2 |
| AS399458US | COMARCH-NET-US-1 - Comarch Inc | 512 | — | 2 |
| AS401518US | OAI-01 - OpenAI OpCo, LLC | 512 | — | 1 |
| AS53738US | DDC-JVL - DATA DIMENSIONS CORP | 512 | — | 1 |
| AS397290US | HFCU - Honda Federal Credit Union | 512 | — | 2 |
| AS54277US | SSG - SUPPORT SERVICES GROUP, INC. | 512 | — | 2 |
| AS30515US | USP - USP | 512 | — | 2 |
| AS36580US | HATV-DC - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS398070US | MESQUITEISD-AS - Mesquite Independent School District | 512 | — | 2 |
| AS63417US | GPSF-ASN-01 - Arc Games Inc. | 512 | — | 2 |
| AS393378US | SACFCU-P7148 - Cobalt Credit Union | 512 | — | 2 |
| AS32692US | CHAMINADEUNIV-01 - Chaminade University of Honolulu | 512 | — | 2 |
| AS152879US | PHOENIXNAP-AS-TPE0 - PhoenixNAP LLC | 512 | 257 | 4 |