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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 |
| 10.2K |
| — |
| 4 |
| AS16842US | 5DL-AS - 5Nines Data, LLC | 10.2K | 65.5K | 6 |
| AS14640US | QWIRELESSBB - Q-Wireless, LLC | 10.2K | — | 3 |
| AS401322US | LUCK-NETO-01 - NetO Corp | 10.2K | 1 | 40 |
| AS13838US | EMERSON - Emerson College | 10.2K | — | 5 |
| AS53256US | MULBERRY - Mulberry Telecommunications | 10.2K | — | 5 |
| AS36037US | EDUCATION-SERVICE-CENTER-REGION-20 - Education Service Center Region 20 | 10.2K | — | 5 |
| AS6528US | SOUTH-TELEP - SOUTH ARKANSAS TELEPHONE COMPANY | 10.2K | 32.8K | 43 |
| AS20058US | CCTC-LINK1 - Totelcom Communications, LLC | 10.2K | — | 25 |
| AS15035US | X2NSAT-SVN - X2nSat, Inc | 10.2K | — | 29 |
| AS10958US | ROYELLCOMMUNICATIONSINC - Royell Communications, Inc. | 10.2K | 1M | 11 |
| AS394727US | NODISTO - Nodisto IT, LLC | 10.2K | 2 | 42 |
| AS46886US | TEKIFY-BROADBAND - Tekify Broadband | 10.2K | 4.1K | 26 |
| AS32413US | EXIGO-EPIC - Epic Servers, LLC | 10.2K | — | 5 |
| AS10249US | REDZONE - RedZone Wireless, LLC | 10.2K | — | 3 |
| AS14410US | HYETECH - Hye Tech Network & Security Solutions, LLC | 10.2K | 1 | 9 |
| AS63270US | AERUX-BROADBAND - Aerux LLP | 10.2K | 65.5K | 22 |
| AS16766US | ISLAND-TECHNOLOGY-INC - Island Technology, Inc. | 10K | 35 | 74 |
| AS14566US | AISS-7-14566 - Atos IT Solutions and Services Inc | 10K | — | 31 |
| AS29889US | FSNET-1 - Fast Serv Networks, LLC | 10K | 8.2K | 17 |
| AS46238US | WTS-AS - WT Services, Inc. | 10K | — | 32 |
| AS25753US | CALPERS - California Public Employees' Retirement System | 10K | — | 20 |
| AS30133US | ISC-F-AS - Internet Systems Consortium, Inc. | 10K | 43 | 81 |
| AS397679US | FOX-CORP-AS1 - FOX CORPORATION | 10K | — | 8 |
| AS31923US | THE-AUTO-CLUB-GROUP-ASN-1 - The Auto Club Group | 10K | — | 6 |
| AS22429US | AS-WFC-LHC-AZ-01 - WireFree Communications Inc. | 10K | — | 5 |
| AS32058US | SBG-AS1 - Sinclair Broadcast Group, Inc. | 10K | 4.1K | 24 |
| AS4229US | ZEN-NET - Zenlayer Inc | 10K | 36.9K | 36 |
| AS394488US | BERGEN-COUNTY-SCHOOL-DISTRICT - Bergen County Vocational Technical School District | 10K | — | 39 |
| AS11300US | GLOBECOMM-11300 - Globecomm Services Maryland LLC | 10K | — | 5 |
| AS22197US | APPS - Apps Communications | 10K | — | 10 |
| AS393508US | VALLEYINTERNET - PERSONAL NETWORK COMPUTING | 10K | — | 29 |
| AS32167US | LSHIY-USER-CONTENT - LSHIY LLC | 10K | 218.5K | 310 |
| AS20472US | SYNN - Synergy Networks | 10K | — | 14 |
| AS22808US | RESOURCES-22808 - LION RESOURCES, INC. | 10K | — | 25 |
| AS394740US | CONSOLIDATED-ELECTRIC-COOPERATIVE - Consolidated Cooperative | 10K | 65.5K | 7 |
| AS30070US | THE HERSHEY COMPANY - The Hershey Company | 10K | — | 26 |
| AS21817US | NORCAST-AS - Wave Broadband | 10K | — | 10 |
| AS19381US | SIMPLY-BITS-LLC - Simply Bits, LLC | 10K | 65.5K | 7 |
| AS11572US | SS-ATL - PhoenixNAP LLC | 10K | 257 | 16 |
| AS21789US | 168-244 - Lowe's Companies, Inc. | 10K | — | 27 |
| AS6373US | OPUS1 - Opus One | 10K | 1 | 9 |
| AS215731US | NovusLabs Novus Labs Limited | 10K | — | 39 |
| AS400039US | WT-AUR - Wolverine Trading, LLC | 9.7K | — | 39 |
| AS15116US | PITT-STATE - Pittsburg State University | 9.7K | 64 | 5 |
| AS33099US | DTSFIBER - DTS Fiber | 9.7K | 17 | 38 |
| AS11799US | AS11799 - JMC Capital, LLC | 9.7K | 65.5K | 8 |