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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 | 23,661 |
| 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 |
| 2K |
| — |
| 5 |
| AS25941US | SUPERCLUBS-25941 - SuperClubs.com | 2K | — | 1 |
| AS398822US | BOSE-CORPORATION-US - Bose Corporation | 2K | — | 1 |
| AS53296US | SCASD - State College Area School District | 2K | — | 1 |
| AS62975US | AVA2 - Avista Corporation | 2K | — | 2 |
| AS35956US | SNOCO - Snohomish County Government | 2K | — | 8 |
| AS11724US | OCCAS - Comptroller of the Currency | 2K | 0 | 8 |
| AS19730US | BMEAS-A00001 - BENCHMARK INTERNET GROUP | 2K | — | 6 |
| AS394401US | HEARST-DC4 - Hearst Corporation | 2K | — | 5 |
| AS223US | AS223 - Parsons Corporation | 2K | — | 8 |
| AS47967US | Pro-Marketing-Central-LLC Pro Marketing Central LLC | 2K | — | 4 |
| AS11718US | LIVINGSTON-ESA - Livingston ESA | 2K | — | 1 |
| AS26131US | TMC1 - Harley-Davidson, Inc. | 2K | — | 8 |
| AS40762US | NYSYS-AS1 - Nysys Wireless LLC | 2K | — | 5 |
| AS396881US | DRSERVER1 - drServer.net | 2K | 15 | 16 |
| AS27647US | WEEBLY - Weebly, Inc. | 2K | 3 | 11 |
| AS399864US | FLIXOUT - Flixout | 2K | — | 2 |
| AS10322US | ERCOT-ISO - Ercot Independent System Operations | 2K | — | 5 |
| AS5213US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 2K | — | 1 |
| AS393536US | NTTDATA-RAGINGWIRE - NTT DATA AMERICAS, INC | 1.9K | — | 10 |
| AS23013US | FORTANIX - Fortanix | 1.8K | — | 21 |
| AS27424US | LFLL-ASN - Lucky Friday Labs, LLC | 1.8K | 1 | 8 |
| AS11189US | CFL-AS1 - Caliber Home Loans, Inc. | 1.8K | — | 4 |
| AS46744US | CCHNL - City and County of Honolulu | 1.8K | — | 7 |
| AS2579US | AS2579 - Nokia of America Corporation | 1.8K | — | 4 |
| AS14976US | SMART-CITY-DNCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.8K | 16 | 4 |
| AS32313US | BIGNETWORK - Big Network, Inc. | 1.8K | 65.5K | 5 |
| AS21529US | NOVVA - NOVVA INC | 1.8K | 1K | 11 |
| AS394881US | EK-HOSTING - EK HOSTING INC | 1.8K | — | 4 |
| AS40584US | AS40584 - Enova International, Inc. | 1.8K | — | 6 |
| AS19749US | GNC-LIVE-WELL - GNC | 1.8K | — | 7 |
| AS23000US | WESCOM - Wescom Credit Union | 1.8K | — | 5 |
| AS399856US | PRATTINSTITUTE-1 - Pratt Institute | 1.8K | — | 3 |
| AS17060US | E-NETWORKS - NBCUniversal | 1.8K | — | 7 |
| AS14765US | NTS-SLIDELL-01 - Vexus Fiber | 1.8K | — | 3 |
| AS400475US | NUCLEARFALLOUT-DAL - Nuclearfallout Enterprises, Inc. | 1.8K | 4.1K | 8 |
| AS11159US | LAPL-LAPUBLICLIBRARY - Los Angeles Public Library | 1.8K | — | 7 |
| AS21952US | NEILL-CORPORATION - Neill Corporation | 1.8K | — | 4 |
| AS398945US | UPWARD-BROADBAND-2 - Upward Broadband LLC | 1.8K | — | 6 |
| AS202521US | NEXCESS-AMS01 Liquid Web B.V. | 1.8K | 256 | 5 |
| AS402306US | AS-DATAFORGE - DataForge Technologies LLC | 1.8K | — | 4 |
| AS947US | RUDIO - Desk2 | 1.8K | — | 4 |
| AS46324US | ADVANCED-STREAM-01 - Advanced Stream Inc. | 1.8K | 256 | 8 |
| AS14467US | KUA-NET - KUA.net | 1.8K | — | 4 |
| AS397700US | LXXIX-PROJECT-LAB-01 - LXXIX Project Lab LLC | 1.8K | 4.1K | 7 |
| AS40292US | CINTAS - Cintas Corporation | 1.8K | — | 6 |
| AS394562US | STRIPE2 - Stripe, Inc. | 1.8K | — | 7 |