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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 | 25,247 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| 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.
32,189 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 | 3,901 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,010 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,222 |
| 3.1K |
| — |
| 12 |
| AS21622US | PR-NEWSWIRE-USA-1 - PR Newswire | 3.1K | — | 12 |
| AS40501US | SOUNDSTACK - SoundStack Technologies, LLC | 3.1K | — | 12 |
| AS397534US | IWU-PUBLIC-01 - Indiana Wesleyan University (Marion College) | 3.1K | — | 2 |
| AS40138US | MDNET - Mach Dilemma, LLC | 3.1K | 42 | 49 |
| AS54381US | SACATECH - SACA Technologies, Inc. | 3.1K | — | 12 |
| AS27398US | AITSL-27398 - Alyeska Information Technology Services LLC | 3.1K | 4 | 6 |
| AS399678US | CARRIER-AMER - Carrier Corporation | 3.1K | — | 6 |
| AS26517US | OXY-INC - Occidental Petroleum Corporation | 3.1K | 64 | 16 |
| AS12190US | OOCL-LEV - OOCL (USA), Inc. | 3.1K | — | 12 |
| AS400988US | SLCO-ASN-01 - Salt Lake County | 3.1K | — | 9 |
| AS154859US | KINETLLC-AS-US - Kinet LLC | 3.1K | 16 | 10 |
| AS13959US | AUTOPHONE-OF-LAREDO - Autophone of Laredo | 3.1K | — | 12 |
| AS17168US | THOMSON-REUTERS - Thomson Reuters U.S. LLC | 3.1K | — | 12 |
| AS402447US | STREAMWAYS-CORE-ASN - Streamways | 3.1K | — | 5 |
| AS400387US | FLYING-BULL-INTERNET - Flying Bull Internet, LLC | 3.1K | — | 4 |
| AS54084US | REGION14ESC - REGION 14 EDUCATION SERVICE CENTER | 3.1K | — | 2 |
| AS214155US | Saily-AS Saily Inc. | 3.1K | — | 12 |
| AS157US | HPE-15 - HEWLETT PACKARD ENTERPRISE COMPANY | 3.1K | — | 2 |
| AS54340US | NTS-LAKECHARLES-01 - Vexus Fiber | 3.1K | — | 4 |
| AS399777US | MCCNO - NEW ORLEANS PUBLIC FACILITY MANAGEMENT, INC. | 3.1K | — | 2 |
| AS54900US | ALIANZA-INC - Alianza Inc. | 3.1K | 5 | 17 |
| AS31957US | AGILE - Agile Networks | 3.1K | — | 12 |
| AS393316US | CLEARPOOL - Clearpool Technologies, LLC | 3.1K | — | 9 |
| AS27348US | SURFNET-1 - Surfnet Communications, Inc. | 3.1K | — | 12 |
| AS397118US | GLENWOOD-BGP - Glenwood Telephone Company | 3.1K | — | 10 |
| AS395927US | MILEHIGHNETWORKS - Mile High Networks, LLC | 3.1K | — | 2 |
| AS14561US | ASSOCIATED-BANK-INTERNET - Associated Banc-Corp | 3.1K | — | 6 |
| AS399759US | UBER-WIRELESS-LLP - Uber Wireless LLP | 3.1K | — | 12 |
| AS53903US | REBELTECAS - Rebeltec Communications, LLC | 3.1K | — | 6 |
| AS33556US | HOME-TELEPHONE-ASN - Home Telephone Co. | 3.1K | 65.5K | 3 |
| AS23022US | DSU - DELAWARE STATE UNIVERSITY | 3.1K | — | 5 |
| AS400384US | HOSTINGS-HOUSE-US - Hostings House | 3.1K | — | 9 |
| AS26080US | IMPREZZIO-PHX - Imprezzio Inc | 3.1K | 18 | 5 |
| AS22629US | NORWORLD - NORTHWESTERN CORPORATION | 3.1K | — | 12 |
| AS27631US | PANGAEA - PANGAEA | 3.1K | — | 12 |
| AS26038US | ELVT-CLOUD-AND-CONNX - Elevate Technology Group | 3.1K | — | 6 |
| AS22969US | AFS-ATL - Zayo Bandwidth | 3.1K | — | 2 |
| AS17279US | KANSAS-BROADBAND-INTERNET - Kansas Broadband Internet, Inc. | 3.1K | — | 3 |
| AS47022US | WILSON-TELEPHONE-COMPANY-INC - Wilson Telephone Company Inc | 3.1K | — | 5 |
| AS13700US | NEXUSWAVE - NexusWave | 3.1K | — | 7 |
| AS398297US | FROG - FROG HOLDINGS, LLC | 3.1K | — | 3 |
| AS40794US | WESTCO-ASN - Westco Internet | 3.1K | — | 2 |
| AS33383US | HPINC - HP Inc. | 3.1K | — | 7 |
| AS23484US | PACENET - Pace University | 3.1K | — | 12 |
| AS394037US | RIOCITIES-INTERNET - RIO CITIES | 3.1K | 4.4K | 8 |
| AS394135US | SECURITAS-ELECT-SECURITY - Securitas Electronic Security, Inc. | 3.1K | — | 11 |