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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 |
| PVH-INTERNET1 - PVH Corp. |
| 1.5K |
| — |
| 6 |
| AS11059US | MIFFLIN-COUNTY-WIRELESS - MIFFLIN COUNTY WIRELESS LLC | 1.5K | — | 6 |
| AS399925US | CITY-IT-INTERNET-01 - City of Gainesville | 1.5K | — | 5 |
| AS6349US | BCN-TELECOM-ASN1 - BCN Telecom Inc. | 1.5K | — | 6 |
| AS54316US | AP-FOUNDATION - AP GP Operations, LLC | 1.5K | 4.1K | 6 |
| AS46852US | IMC-CHICAGO - IMC Markets | 1.5K | — | 3 |
| AS62929US | 186-ASN - FirstLight Fiber, Inc. | 1.5K | — | 2 |
| AS394322US | CHS-AS1 - Convey Health Solutions, Inc. | 1.5K | — | 5 |
| AS400967US | ASSURED-NETWORKS - Assured Networks | 1.5K | 4.1K | 11 |
| AS14006US | RAFFERTYCAPITALMARKETS - RAFFERTY CAPITAL MARKETS | 1.5K | — | 3 |
| AS43755US | NODESDIRECT Nodes Direct Holdings LLC | 1.5K | — | 3 |
| AS33058US | PEGASYSTEMS - Pegasystems Inc. | 1.5K | 1 | 7 |
| AS40358US | TFCU-BLK-1 - Tinker Credit Union, Inc. | 1.5K | — | 4 |
| AS16957US | IDAHOPOWER-NETWORK - Idaho Power Company | 1.5K | 4.1K | 4 |
| AS54968US | VOM-NOC - Data Pro of Sonoma and Vom.com | 1.5K | — | 6 |
| AS400643US | ARROYO-SECO-01 - Arroyo Seco Wireless, LLC | 1.5K | — | 3 |
| AS62893US | FIBERWAVE - Fiber Wave, LLC | 1.5K | — | 5 |
| AS54855US | ISS-01 - Interface Security Systems LLC | 1.5K | — | 6 |
| AS63033US | SWIFT-NET - S.W.I.F.T. Services LLC | 1.5K | 65.5K | 7 |
| AS63343US | LINEAR1 - Linear 1 Technologies, LLC | 1.5K | 65.5K | 5 |
| AS11821US | SMARTBURST - SmartBurst LLC | 1.5K | — | 3 |
| AS398079US | EMINENT - Eminent, Inc | 1.5K | — | 6 |
| AS30140US | BXP-HQ - BOSTON PROPERTIES LIMITED PARTNERSHIP | 1.5K | — | 5 |
| AS64260US | SRDF - SRDF, Inc. | 1.5K | 65.5K | 5 |
| AS393417US | SDNW-393417 - SDN Communications | 1.5K | 65.5K | 4 |
| AS27461US | POMEROY-ASN - Pomeroy Technologies LLC | 1.5K | — | 6 |
| AS40766US | EQUINOX-PAYMENTS - Equinox Payments | 1.5K | — | 6 |
| AS26669US | HEADLAND-COMMUNICATIONS - Headland Communications | 1.5K | — | 6 |
| AS16692US | HHMI - Howard Hughes Medical Institute | 1.5K | 1 | 4 |
| AS396162US | ANICO-3030 - American National Insurance Company | 1.5K | — | 6 |
| AS11928US | HBGUSA - Hachette Book Group, Inc. | 1.5K | — | 5 |
| AS397336US | VIRTUALSPROUT-01 - Virtual Sprout | 1.5K | — | 6 |
| AS19997US | PENNNATIONALINSURANCE - Penn National Insurance | 1.5K | — | 6 |
| AS36182US | ATG-36182 - Accretive Networks | 1.5K | — | 3 |
| AS36283US | AS-RIVERWAVE - Riverwave LLC | 1.5K | 69.6K | 5 |
| AS14052US | STEPHENS - Stephens, Inc. | 1.5K | — | 6 |
| AS397952US | NEXSTREAM - Nexstream | 1.5K | 65.5K | 4 |
| AS209811US | Intranet-AS Intranet Services LLC | 1.5K | 1 | 5 |
| AS62775US | INTERNET2-ISS - Internet2 | 1.5K | 3 | 6 |
| AS7856US | EPPROACH-0 - Epproach Communications, LLC | 1.5K | — | 6 |
| AS55082US | WINKCDN - WINK Streaming LLC | 1.5K | — | 6 |
| AS16716US | LIVINGSTON-AS - Lake Livingston Communications Inc. | 1.5K | 65.5K | 5 |
| AS17309US | AS7260 - Roosevelt University | 1.5K | — | 6 |
| AS400063US | PTCBB - Pennsylvania Telephone Company | 1.5K | — | 3 |
| AS63031US | WEBBYENT - Webby Enterprises LLC | 1.5K | — | 2 |
| AS16877US | TAS-TDC-SDC-WEB - Global Payments Inc. | 1.5K | — | 5 |
| AS393662US | SYMPLYFI-CORENET - SymplyFi | 1.5K | — | 5 |