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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| 9.7K |
| — |
| 20 |
| AS393262US | TODYL-CLOUD - Todyl, Inc. | 9.7K | — | 38 |
| AS15116US | PITT-STATE - Pittsburg State University | 9.7K | 64 | 5 |
| AS13806US | NCRCORP - NCR Voyix Corporation | 9.7K | — | 38 |
| AS33099US | DTSFIBER - DTS Fiber | 9.7K | 15 | 36 |
| AS15293US | ASN-ISS-ATL - IBM | 9.7K | — | 4 |
| AS400039US | WT-AUR - Wolverine Trading, LLC | 9.7K | — | 39 |
| AS11572US | SS-ATL - PhoenixNAP LLC | 10K | 257 | 16 |
| AS46238US | WTS-AS - WT Services, Inc. | 10K | — | 32 |
| AS25753US | CALPERS - California Public Employees Retirement System | 10K | — | 20 |
| AS397679US | FOX-CORP-AS1 - FOX CORPORATION | 10K | — | 8 |
| AS394740US | CONSOLIDATED-ELECTRIC-COOPERATIVE - Consolidated Cooperative | 10K | 65.5K | 7 |
| AS21817US | NORCAST-AS - Wave Broadband | 10K | — | 10 |
| AS30133US | ISC-F-AS - Internet Systems Consortium, Inc. | 10K | 43 | 81 |
| AS22764US | FLUOR-CORP - Fluor Enterprises, Inc. | 10K | — | 22 |
| AS63270US | AERUX-BROADBAND - Aerux LLP | 10K | 65.5K | 21 |
| AS30070US | THE HERSHEY COMPANY - The Hershey Company | 10K | — | 26 |
| AS8068US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 10K | 31 | 70 |
| AS22808US | RESOURCES-22808 - LION RESOURCES, INC. | 10K | — | 25 |
| AS19381US | SIMPLY-BITS-LLC - Simply Bits, LLC | 10K | 65.5K | 7 |
| AS6373US | OPUS1 - Opus One | 10K | 1 | 9 |
| AS395719US | EMERALD - Emerald Broadband, LLC | 10K | 65.5K | 10 |
| AS22429US | AS-WFC-LHC-AZ-01 - WireFree Communications Inc. | 10K | — | 5 |
| AS22197US | APPS - Apps Communications | 10K | — | 10 |
| AS11300US | GLOBECOMM-11300 - Globecomm Services Maryland LLC | 10K | — | 5 |
| AS21789US | 168-244 - Lowes Companies, Inc. | 10K | — | 27 |
| AS32308US | 8X8-AS - 8x8, Inc. | 10K | — | 24 |
| AS4229US | ZEN-NET - Zenlayer Inc | 10K | 36.9K | 36 |
| AS14566US | AISS-7-14566 - Atos IT Solutions and Services Inc | 10K | — | 31 |
| AS16766US | ISLAND-TECHNOLOGY-INC - Island Technology, Inc. | 10K | 35 | 74 |
| AS216211US | CYBERVERSE-BACKBONE CYBERVERSE LLC | 10K | — | 12 |
| AS29889US | FSNET-1 - Fast Serv Networks, LLC | 10K | 8.2K | 17 |
| AS394488US | BERGEN-COUNTY-SCHOOL-DISTRICT - Bergen County Vocational Technical School District | 10K | — | 39 |
| AS32167US | LSHIY-USER-CONTENT - LSHIY LLC | 10K | 218.5K | 310 |
| AS31923US | THE-AUTO-CLUB-GROUP-ASN-1 - The Auto Club Group | 10K | — | 6 |
| AS19695US | DYFEND NETWORK - Dyfend LLC | 10K | — | 39 |
| AS20472US | SYNN - Synergy Networks | 10K | — | 14 |
| 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 |
| AS16908US | ATRGNJ01 - Advanced Technologies Research Group, Inc. | 10.2K | — | 12 |
| AS30612US | EAGLE-9-AS - Eagle Communications, Inc. | 10.2K | 4.4K | 19 |
| AS7806US | ASN7806 - Binary Net, LLC | 10.2K | 65.5K | 12 |
| AS15035US | X2NSAT-SVN - X2nSat, Inc | 10.2K | — | 29 |
| AS6493US | BEACON-TECHNOLOGIES-AS - Beacon Technologies, Inc | 10.2K | — | 6 |
| AS13555US | EAGLE-NET-ALLIANCE - Zayo Bandwidth | 10.2K | — | 4 |
| AS32413US | EXIGO-EPIC - Epic Servers, LLC | 10.2K | — | 5 |