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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,291 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,268 |
| 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 | 411 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,732 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,968 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| — |
| 0 |
| AS398227US | WANDERPORT-ASN-US-01 - Wanderport Networks, Inc. | — | — | 0 |
| AS398247US | HQ-BGP-HANDLE - Prescient Applied Intelligence, Inc. | — | — | 0 |
| AS398267US | IHMA-GLOBAL-01 - IHMA | — | — | 0 |
| AS398272US | CLOUDIT - CloudIT International LLC | — | — | 0 |
| AS398369US | SCHOF-164-1 - Schoffstall Associates, Inc | — | — | 0 |
| AS398471US | CUPANET-MNS-AS - Commonwealth University of Pennsylvania | — | — | 0 |
| AS398472US | MIDSOUTH-ELECTRIC-CO-OP - Mid-South Synergy | — | — | 0 |
| AS398583US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398600US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398610US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398625US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398648US | MPIT-01 - Marvel Pivot Information Technology LLC | — | — | 0 |
| AS398659US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS398688US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398793US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS398916US | EP-ASN-01 - EveryPeer, LLC | — | — | 0 |
| AS399005US | VOITVENTURES - Voit Ventures LLC | — | — | 0 |
| AS399008US | COLUMBUS-INTERNET-01 - Kimball Midwest | — | — | 0 |
| AS399096US | AMAT-CRH - CRH Americas Materials, Inc. | — | — | 0 |
| AS399141US | TLG-AS - THE LYNX GROUP, LLC | — | — | 0 |
| AS399163US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399171US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399173US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399176US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399204US | PST - White Iron LLC | — | — | 0 |
| AS399229US | GDT-MH - General Datatech, LP | — | — | 0 |
| AS399260US | C1CX-PA - C1CX | — | — | 0 |
| AS399508US | SUNSHINE811-DEBARY - Sunshine State One-Call of Florida, Inc. | — | — | 0 |
| AS399623US | OSCAR - Software Answers, Inc. | — | — | 0 |
| AS399626US | GROUP-IID-002 - INTERCONTINENTAL INTERNET DATA CORP | — | — | 0 |
| AS399696US | SBPHOLDINGLP-01 - SBP Holding LP | — | — | 0 |
| AS399801US | TLC-MILLIMETER-WAVE-PRODUCTS - TMPI | — | — | 0 |
| AS399832US | LIBERTY-BROADBAND - Liberty Broadband LLC | — | — | 0 |
| AS399834US | AWS - Amazon.com, Inc. | — | — | 0 |
| AS399838US | VITALGAMENETWORK - VITAL GAME NETWORK, LLC | — | — | 0 |
| AS399995US | ASN-CCS01 - The Systems House, Inc. | — | — | 0 |
| AS400041US | 247RACK - 247RACK.com | — | — | 0 |
| AS400390US | ISC-F-PDX1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS400408US | GNET-DC-01 - IV Solutions Group, Incorporated | — | — | 0 |
| AS400440US | EMPIRX-HEALTH - EmpiRx Health LLC | — | — | 0 |
| AS400497US | FUTUREBROADBAND - Future Broadband, LLC | — | — | 0 |
| AS400568US | COAXIS-US-01 - Coaxis International, Inc | — | — | 0 |
| AS400576US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400744US | CRANE-CURRENCY - Crane & Co., Inc. | — | — | 0 |
| AS400824US | HCDL-QUINCY-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS400873US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |