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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.9M | 21,022 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,223 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48M | 3,586 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,933 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,550 |
| 10.2K |
| — |
| 7 |
| AS16908US | ATRGNJ01 - Advanced Technologies Research Group, Inc. | 10.2K | — | 12 |
| AS29889US | FSNET-1 - Fast Serv Networks, LLC | 10.2K | 8.2K | 18 |
| AS6528US | SOUTH-TELEP - SOUTH ARKANSAS TELEPHONE COMPANY | 10.2K | 32.8K | 43 |
| AS36037US | EDUCATION-SERVICE-CENTER-REGION-20 - Education Service Center Region 20 | 10.2K | — | 5 |
| AS10958US | ROYELLCOMMUNICATIONSINC - Royell Communications, Inc. | 10.2K | 1M | 11 |
| AS15035US | X2NSAT-SVN - X2nSat, Inc | 10.2K | — | 29 |
| AS14640US | QWIRELESSBB - Q-Wireless, LLC | 10.2K | — | 3 |
| AS397451US | ZEROBOUNCE - ZeroBounce | 10.2K | — | 7 |
| AS30220US | SWWC-SERVICE-COOPERATIVE - SWWC Service Cooperatives | 10.2K | — | 9 |
| AS19631US | TRAVELPORT - Travelport Operations, Inc. | 10.2K | — | 7 |
| AS14415US | HOSTCOLLECTIVE - Host Collective, Inc. | 10.2K | — | 18 |
| AS9193US | ConXionEU NAVISITE OPCO LLC | 10.2K | — | 19 |
| AS14380US | OPUS-INTERACTIVE-HIO1 - Opus Interactive | 10.2K | 65.5K | 6 |
| AS63270US | AERUX-BROADBAND - Aerux LLP | 10.2K | 65.5K | 22 |
| AS398242US | PCEPA - Prentiss County Electric Power Association | 10.2K | — | 3 |
| AS62955US | EBAYMTBB - eBay, Inc | 10.2K | 1 | 5 |
| AS8134US | UP-NET - Baraga Telephone Company | 10.2K | 65.5K | 4 |
| AS23117US | ICOE-NETWORK - Imperial County Office of Education | 10.2K | — | 12 |
| AS14410US | HYETECH - Hye Tech Network & Security Solutions, LLC | 10.2K | 1 | 9 |
| AS6493US | BEACON-TECHNOLOGIES-AS - Beacon Technologies, Inc | 10.2K | — | 6 |
| AS46516US | GLOBEIX - HostRoyale LLC | 10.2K | 524.3K | 10 |
| AS13838US | EMERSON - Emerson College | 10.2K | — | 5 |
| AS14634US | SPINNNET - SpinnNet | 10.2K | — | 10 |
| AS4229US | ZEN-NET - Zenlayer Inc | 10K | 102.4K | 37 |
| AS22427US | GNET-AS - GNET INC. | 10K | — | 39 |
| AS21817US | NORCAST-AS - Wave Broadband | 10K | — | 10 |
| AS46238US | WTS-AS - WT Services, Inc. | 10K | — | 32 |
| AS11300US | GLOBECOMM-11300 - Globecomm Services Maryland LLC | 10K | — | 5 |
| AS394488US | BERGEN-COUNTY-SCHOOL-DISTRICT - Bergen County Vocational Technical School District | 10K | — | 39 |
| AS22197US | APPS - Apps Communications | 10K | — | 10 |
| AS25710US | I3-BROADBAND-RI - i3 Broadband | 10K | 65.5K | 5 |
| AS32308US | 8X8-AS - 8x8, Inc. | 10K | — | 24 |
| AS11038US | SALISH-NETWORKS - Salish Networks, Inc. | 10K | — | 15 |
| AS22429US | AS-WFC-LHC-AZ-01 - WireFree Communications Inc. | 10K | — | 5 |
| AS20149US | NHL-ENT - NHL Enterprises, Inc. | 10K | — | 36 |
| AS400529US | INFRALY-LLC - Infraly, LLC | 10K | 1 | 40 |
| AS11789US | SURFAIRWIRELESS-IN-03 - Surf Air Wireless, LLC | 10K | — | 14 |
| AS31923US | THE-AUTO-CLUB-GROUP-ASN-1 - The Auto Club Group | 10K | — | 6 |
| AS393524US | MISSOURICOM - New Florence Telephone Company | 10K | 2K | 8 |
| AS6373US | OPUS1 - Opus One | 10K | 1 | 9 |
| AS25715US | SW-MN-BROADBAND - SOUTHWEST MINNESOTA BROADBAND SERVICES | 10K | — | 24 |
| AS19381US | SIMPLY-BITS-LLC - Simply Bits, LLC | 10K | 65.5K | 7 |
| AS397679US | FOX-CORP-AS1 - FOX CORPORATION | 10K | — | 8 |
| AS14566US | AISS-7-14566 - Atos IT Solutions and Services Inc | 10K | — | 31 |
| AS20472US | SYNN - Synergy Networks | 10K | — | 14 |
| AS19739US | COUNTY-SANBERNARDINO - County of San Bernardino | 10K | — | 25 |