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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. | 218M | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| ABAATLASN2 - Abacus Solutions, LLC |
| — |
| — |
| 0 |
| AS26274US | REGIONS-ASN-2 - REGIONS FINANCIAL CORPORATION | — | — | 0 |
| AS25646US | BOTC - BOTC | — | — | 0 |
| AS23547US | WINSTON-STRAWN - Winston & Strawn | — | — | 0 |
| AS26979US | IVANTI-SJ - Ivanti, Inc. | — | — | 0 |
| AS27260US | CJUSD-ASN-01 - Calistoga Joint Unified School District | — | — | 0 |
| AS26901US | WRIGHTRESEARCH2-DOM - Wright State University | — | — | 0 |
| AS23185US | GHXUS - GHX | — | — | 0 |
| AS27070US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS22086US | AMERICAN-CENTRAL-GAS - American Central Gas Technologies, Inc | — | — | 0 |
| AS21827US | CALIX-TX-DAL - Calix, Inc. | — | — | 0 |
| AS21762US | ONWARDTECH - Onward Technology, LLC | — | — | 0 |
| AS23168US | MCDEAN-ASN - M.C. Dean,Inc. | — | — | 0 |
| AS18843US | CHI-MANAGEMENT - Crossmark | — | — | 0 |
| AS10462US | SHADOW - Shadow Infromation Services | — | — | 0 |
| AS10258US | SHN-AS - Sapient Health Network | — | — | 0 |
| AS10814US | XSBANDWIDTH - XS Bandwidth Associates | — | — | 0 |
| AS14815US | JAXXNET-AS - Jaxx Aerospace & Defense Company | — | — | 0 |
| AS10839US | CIN - Computerese Information Network, Inc. | — | — | 0 |
| AS10748US | QRC - Quantum Research Corporation | — | — | 0 |
| AS10731US | DAEDAL-AS - Daedal Enterprises, Inc. | — | — | 0 |
| AS397699US | TPCASN - TPC GROUP LLC | — | — | 0 |
| AS11069US | EGIX-INDY-AS-11069 - Altafiber | — | — | 0 |
| AS17347US | PEPCO - Potomac Electric Power Company | — | — | 0 |
| AS17314US | REDHAT-HOSTED - Red Hat, Inc. | — | — | 0 |
| AS19729US | MDE-LLC-AS - Mark Dranoff Enterprises, LLC | — | — | 0 |
| AS19906US | CHARLES-RIVER - Charles River Associates Inc. | — | — | 0 |
| AS19484US | SBCASI-AKRON-OH-COVLIL - Wireless Maritime Services, LLC | — | — | 0 |
| AS19440US | AICENT - Aicent Inc. | — | — | 0 |
| AS14952US | ACCENTURE - Accenture LLP | — | — | 0 |
| AS10539US | NETMORE - Netmore Internet, Inc. | — | — | 0 |
| AS29830US | WWSC - Worldwide Security Systems Network | — | — | 0 |
| AS30292US | SHRINE - AEG | — | — | 0 |
| AS29915US | STATEFARM-ISCE - State Farm Mutual Automobile Insurance Company | — | — | 0 |
| AS29908US | TECH-CLOUD-ASN - Tech Electronics, Inc. | — | — | 0 |
| AS12030US | PACIFIC-ONLINE-PON - Pacific Online, Inc. | — | — | 0 |
| AS13358US | DRAZOR - DIGITAL RAZOR, INC | — | — | 0 |
| AS11930US | CAT - Cat Networks, Inc. | — | — | 0 |
| AS11886US | ALPHALINK - AlphaLink Technologies Inc | — | — | 0 |
| AS30052US | WAYNE-COUNTY-AIRPORT-AUTHORITY - Wayne County Airport Authority | — | — | 0 |
| AS11274US | ADHOST - TierPoint, LLC | — | — | 0 |
| AS14229US | LNW-SWITCH-NAP-8 - Light & Wonder, Inc. | — | — | 0 |
| AS14142US | BANKOFBOTETOURT - Bank of Botetourt, Inc. | — | — | 0 |
| AS13422US | SBCIS-BUMTTX - AT&T Enterprises, LLC | — | — | 0 |
| AS13563US | VERMONTLAWSCHOOL - Vermont Law School Inc. | — | — | 0 |
| AS10619US | PUBLICONLINE - Public Online Communications Corporation | — | — | 0 |
| AS10571US | GEOACCESS-AS - UnitedHealth Group Incorporated | — | — | 0 |