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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.1M | 21,138 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,244 |
| 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 | 383 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,674 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,951 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,417 |
| 256 |
| — |
| 1 |
| AS393945US | ENPT-I-15 - enfoPoint, LLC | 256 | 65.5K | 3 |
| AS203414US | ORG-TCGL7-RIPE The Conerly Group, LLC | 256 | — | 1 |
| AS399108US | CENHUD-01 - Central Hudson Gas & Electric Corporation | 256 | — | 1 |
| AS400379US | COUNTY-OF-MADERA - County of Madera | 256 | — | 1 |
| AS10390US | TELECHECK - Fiserv Solutions, LLC | 256 | 1 | 2 |
| AS395854US | SIMNA-64643 - Schroder Investment Management North America Inc. | 256 | — | 1 |
| AS399635US | CC-VISA-02 - Cardinal Commerce Corporation | 256 | — | 1 |
| AS397953US | ALVIN-ISD-01 - Alvin Independent School District | 256 | — | 1 |
| AS39949US | CITYOFVANCOUVER-US - City Of Vancouver | 256 | — | 1 |
| AS402058US | QUANTUM-NETWORKS-US1 - QUANTUM | 256 | 65.5K | 2 |
| AS11852US | WHCC - White House Custom Colour, Inc | 256 | — | 1 |
| AS63234US | IROBOT-2014 - iRobot Corporation | 256 | — | 1 |
| AS19263US | CBAD-NET - Cincinnati Bell Any Distance, Inc. | 256 | — | 1 |
| AS394288US | COHES-ASN-01 - Cohesity, Inc. | 256 | — | 1 |
| AS40074US | BK-NET-PUB - BURGER KING COMPANY LLC | 256 | — | 1 |
| AS57926US | SAFEDNS-AS SafeDNS, Inc. | 256 | 1 | 2 |
| AS27132US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 256 | — | 1 |
| AS26030US | CYAN-WIRELESS - CYAN Wireless | 256 | 256 | 2 |
| AS54591US | CEF-DIGITAL-25081 - CEF DIGITAL SYSTEMS | 256 | 258 | 4 |
| AS401293US | AS401293 - FSTcloud | 256 | — | 1 |
| AS397536US | CLOUDCONNECTIV - Cloud Connectiv Incorporated | 256 | — | 1 |
| AS397756US | POWERSCHOOL-FOLSOM - PowerSchool | 256 | — | 1 |
| AS400638US | BSOFTTECH-NET - Bsoft Technology & Computer Services LLC | 256 | — | 1 |
| AS53475US | MAHER-TERMINALS - Maher Terminals LLC | 256 | — | 1 |
| AS394020US | LFUCG - Lexington-Fayette Urban County Government | 256 | — | 1 |
| AS395327US | BAYFEDCU - BAY FEDERAL CREDIT UNION | 256 | — | 1 |
| AS393368US | NYAKI - Nyaki Technologies, LLC | 256 | 1 | 2 |
| AS398456US | VIO-PROD-01 - VERGE.IO LLC | 256 | — | 1 |
| AS22657US | ASN30005 - Digital Ignition | 256 | — | 1 |
| AS394603US | AS394603 - Panasonic Avionics Corporation | 256 | — | 1 |
| AS151975US | EAAPPL-AS-AP - Electronic Arts Inc. | 256 | — | 1 |
| AS395583US | BETHSS - M&D Wholesale Distributors Inc. | 256 | — | 1 |
| AS401820US | HASHTABLE-ARTIFICIAL-INTELLIGENCE - HashTable, Inc. | 256 | 8 | 9 |
| AS393287US | ASN-LEASETEAM - LTi Technology Solutions, Inc. | 256 | — | 1 |
| AS394121US | VCH-MADERA - Valley Children's Hospital | 256 | — | 1 |
| AS21966US | SUNBELTRENTALS - Sunbelt Rentals | 256 | — | 1 |
| AS13475US | WFCU-WW-ASN - UNIFY Financial Credit Union | 256 | — | 1 |
| AS398980US | OSINET - OSI Holdings LLC | 256 | 256 | 2 |
| AS53677US | BOLTHOUSE-FARMS - WM. BOLTHOUSE FARMS, INC. | 256 | — | 1 |
| AS399593US | DWIHN-ASN-01 - DWIHN | 256 | — | 1 |
| AS17238US | CSEG-1 - Columbia Southern Education Group, Inc. | 256 | — | 1 |
| AS397694US | SMG - SMG Security Holdings LLC | 256 | — | 1 |
| AS33381US | AIM-52-ASN - ABS Investment Management LLC | 256 | — | 1 |
| AS18480US | GDT-AS - General Datatech, LP | 256 | — | 1 |
| AS397402US | AH-PEER1 - Atrius Health, Inc. | 256 | — | 1 |
| AS399340US | IHMEAGLE-EAGLEWIRELESS - Eagle Wireless | 256 | — | 1 |