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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 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 | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| 1.3K |
| 9 |
| 7 |
| AS394169US | NASSAU-COMMUNITY-COLLEGE - Nassau Community College | 1.3K | 256 | 6 |
| AS396021US | COMCAST-MES - Comcast Cable Communications, LLC | 1.3K | — | 4 |
| AS30104US | ABCC-30104 - GTel Networks inc. | 1.3K | — | 4 |
| AS399290US | INFINILINK-TX - Infinilink Broadband | 1.3K | — | 4 |
| AS33593US | HARRIS-BANK - Harris Trust & Savings Bank | 1.3K | — | 5 |
| AS394887US | MONETRA-AS - Monetra Technologies LLC | 1.3K | 4 | 9 |
| AS23348US | VERIFONE-US3-US4-US5 - VeriFone Inc. | 1.3K | — | 4 |
| AS394470US | ECLOUD360 - Ecloud360 | 1.3K | 1 | 5 |
| AS40795US | COUNTY-OF-LAKE - County of Lake | 1.3K | — | 2 |
| AS206070US | MROUTE Master Route LLC | 1.3K | — | 2 |
| AS32256US | CYBERLINKASP - CYBERLINK USA | 1.3K | — | 5 |
| AS17245US | APEX - Apex Clearing Solutions, LLC | 1.3K | — | 4 |
| AS13410US | MSTRARIN-1 - Microstrategy, Inc. | 1.3K | — | 5 |
| AS22890US | NCC-OMAHA - Nebraska Colocation Centers, LLC | 1.3K | 256 | 5 |
| AS211739US | NewsTech-EMEA Dow Jones & Company, Inc. | 1.3K | — | 5 |
| AS30714US | PHX-ASN - Axway Inc | 1.3K | 257 | 4 |
| AS10924US | DLAS-ASN - Division of Legislative Automated Systems | 1.3K | — | 2 |
| AS19409US | VWCREDIT-COM - VW CREDIT, INC | 1.3K | — | 5 |
| AS399951US | ARCHOUS - Archous Networks Inc. | 1.3K | 256 | 6 |
| AS7116US | TOYOTA-EXT - Toyota Motor Sales, U.S.A., Inc. | 1.3K | — | 5 |
| AS63405US | CANON-BUSINESS-PROCESS-SERVICES-UT - CANON BUSINESS PROCESS SERVICES, Inc. | 1.3K | — | 5 |
| AS14777US | YAHOO - Yahoo Holdings Inc. | 1.3K | 1 | 6 |
| AS399668US | E-PLANNING-US - e-planning | 1.3K | 2 | 6 |
| AS53654US | TJF-HOLDINGS - TJF HOLDINGS | 1.3K | 256 | 3 |
| AS10493US | GCN-AS - Grand Central Networks Inc. | 1.3K | — | 5 |
| AS63435US | MONTEREY-AS-01 - County of Monterey | 1.3K | — | 5 |
| AS27496US | AS27496 - VENETIAN CASINO RESORT, LLC | 1.3K | — | 3 |
| AS394188US | PRIMEVOX - PrimeVOX Communications, LLC | 1.3K | — | 5 |
| AS397076US | ECI-ASN - ECi Software Solutions, Inc. | 1.3K | — | 3 |
| AS54107US | ZYNGA-CORP - TAKE-TWO INTERACTIVE SOFTWARE, INC. | 1.3K | — | 5 |
| AS4390US | BELLATLANTIC-COM - Bell Atlantic, Inc. | 1.3K | 1 | 6 |
| AS7310US | GARTNERGROUP - Gartner Group | 1.3K | — | 5 |
| AS20443US | VERGETEL-NETWORKS - VergeTel Networks LLC | 1.3K | 256 | 3 |
| AS27395US | OSONET - OSOLABS LLC | 1.3K | — | 2 |
| AS36446US | OCOSA - OCOSA Communication, LLC | 1.3K | 4.1K | 5 |
| AS33427US | WSU-TRI-AS - Washington State University | 1.3K | — | 4 |
| AS11582US | SMART-CITY-SLCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.3K | — | 2 |
| AS55009US | ROUTER12 - Router12 Networks LLC | 1.3K | — | 4 |
| AS398260US | ENERMUSCLE-ASN - Alternative Internet Resources | 1.3K | — | 5 |
| AS11493US | HILLSBOROUGH-COUNTY-SHERIFFS-OFFICE - Hillsborough County Sheriff's Office | 1.3K | — | 3 |
| AS8149US | ABACUS-GROUP2 - Abacus Group LLC | 1.3K | — | 5 |
| AS18674US | FROST-BANK - Frost Bank | 1.3K | — | 5 |
| AS399570US | NFINITY-BROADBAND - NFinity Broadband | 1.3K | 65.5K | 4 |
| AS923US | HWS - Aconite Systems LLC | 1.3K | 2 | 4 |
| AS27281US | QUANTCAST - Quantcast Corporation | 1.3K | 8 | 13 |
| AS33352US | CNF-BLOCK - GM Financial | 1.3K | — | 4 |