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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 23,731 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,144 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,838 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,313 |
| USFRCS-BGP - FRIT |
| 24.6K |
| — |
| 66 |
| AS18463US | MILLPOND-NET-01 - Mill Pond Networks LLC | 24.6K | 32 | 5 |
| AS33333US | OBJX - objx.net, LLC | 24.6K | 196.6K | 23 |
| AS23265US | POCKETINET - Pocketinet Communications, Inc | 24.6K | — | 4 |
| AS13781US | ENERGYNET - Hopkinsville Electric System | 24.3K | 65.5K | 21 |
| AS19406US | TWRS-MA - Towerstream I, Inc. | 24.3K | 2K | 12 |
| AS32528US | ABBOTT-LABS-2 - ROSS PRODUCTS DIVISION | 24.3K | — | 32 |
| AS64200US | VIVIDHOSTING - VIVID-HOSTING LLC | 24.3K | — | 58 |
| AS398210US | RIVERNET - Lynches River Communications Inc | 24.3K | — | 27 |
| AS20134US | MBCL - Mediatti Broadband Communications, LLC | 24.3K | — | 9 |
| AS10487US | SIMPLENET - Simple Network Communications, Inc | 24.3K | 8.2K | 8 |
| AS22460US | PEPSICO-NA - PepsiCo, Inc. | 24.3K | — | 67 |
| AS18624US | CITYOFWILSONNC - Greenlight | 24.3K | — | 25 |
| AS394684US | AS-GOLD - GOLD DATA USA INC | 24.1K | 196.6K | 27 |
| AS6134US | XNNET - XNNET LLC | 24.1K | 69.6K | 106 |
| AS13720US | SONYONLINE - Daybreak Game Company LLC | 24.1K | — | 46 |
| AS26878US | TWRS-NYC - Natural Wireless, LLC | 24.1K | — | 10 |
| AS397050US | VELOCITY-01 - The Butler Rural Electric Cooperative Assn., Inc. | 24.1K | — | 39 |
| AS53712US | WMCLLP - Wellington Management Company LLP | 24.1K | — | 24 |
| AS46635US | NET3-AI - Contact Consumers | 24.1K | — | 22 |
| AS27563US | SEGRA-UNITY - Spirit Communications | 24.1K | 6 | 36 |
| AS11506US | XSIGO-HQ-ASN - Oracle Corporation | 24.1K | 26.3K | 39 |
| AS19886US | BOFABROKERDEALERSVCS - Bank of America, National Association | 24.1K | — | 47 |
| AS54607US | APOG-DFW - Apogee Telecom Inc. | 24.1K | — | 37 |
| AS16552US | DIGICERT - Tiggee LLC | 23.8K | 458.8K | 181 |
| AS5133US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 23.8K | — | 12 |
| AS396905US | HOMEWORKS-1 - HomeWorks Connect | 23.8K | 65.5K | 10 |
| AS4997US | AFS-WEST - Zayo Bandwidth | 23.8K | — | 26 |
| AS4474US | TCT-AS - TCT West, Inc. | 23.8K | 65.5K | 13 |
| AS53824US | LIQUIDWEB - Liquid Web, L.L.C | 23.8K | 69.6K | 9 |
| AS63293US | FACEBOOK-OFFNET - Facebook, Inc. | 23.8K | 75 | 168 |
| AS54869US | ROCKCOM-CO - Rockman Communications, Inc. | 23.8K | 65.5K | 6 |
| AS23175US | POGOZONE - PogoZone | 23.8K | — | 11 |
| AS36498US | ACCESS-ONE-INC-AS - Access One Inc. | 23.8K | — | 30 |
| AS399493US | PETITJEANFIBER-01 - Petit Jean Fiber | 23.8K | 65.5K | 36 |
| AS25660US | CTC - Fidium | 23.6K | 65.5K | 23 |
| AS44US | S1-DOMAIN - Lawrence Livermore National Laboratory | 23.6K | — | 6 |
| AS33745US | ATOS-BLYTHEWOOD - Atos IT Solutions and Services Inc | 23.6K | — | 14 |
| AS11062US | MCC-MTCO - Metro Communications Company | 23.6K | — | 7 |
| AS20335US | UDT - United Data Technologies, Inc. | 23.6K | 67.1K | 29 |
| AS16502US | CITY-OF-PHOENIX - City of Phoenix | 23.6K | — | 34 |
| AS18964US | AHSSSCI - Adventist Health System Sunbelt Healthcare Corporation | 23.6K | — | 14 |
| AS395111US | KVCNET-2009 - KVCHOSTING.COM LLC | 23.6K | — | 65 |
| AS46636US | NATCOWEB - NatCoWeb Corp. | 23.6K | 65.5K | 22 |
| AS62654US | MENLO-SECURITY - MENLO SECURITY, INC. | 23.6K | — | 92 |
| AS396006US | SPITWSPOTS-HOM - SPITwSPOTS | 23.3K | — | 43 |
| AS1766US | ASN-EXXONMOBIL-US - Exxon Mobil Corporation | 23.3K | — | 27 |