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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.1M | 24,718 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,222 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 997 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,395 |
| 256 |
| — |
| 1 |
| AS31830US | MURRAY-CALLOWAY-COUNTY-HOSPITAL - Murray-Calloway County Hospital | 256 | — | 1 |
| AS22630US | TLWIFI - TENMILE LAKE WIFI CORP. | 256 | 256 | 2 |
| AS399364US | KIRKLAND-ELLIS-CC - Kirkland & Ellis LLP | 256 | — | 1 |
| AS22657US | ASN30005 - Digital Ignition | 256 | — | 1 |
| AS40958US | KJ6FAF-LUHR-01 - Milpa Nativa Inc. | 256 | — | 1 |
| AS398551US | CITY-OF-SARASOTA - City of Sarasota, FL | 256 | — | 1 |
| AS26587US | ICE-MILLER-DONADIO-RYAN - Ice Miller Donadio & Ryan | 256 | — | 1 |
| AS25747US | EPICSYS-DR - Epic Systems Corporation | 256 | — | 1 |
| AS395589US | HACC - Harrisburg Area Community College | 256 | — | 1 |
| AS14934US | AGS-LLC-AGO - AGS | 256 | — | 1 |
| AS33396US | GENERAL-HEALTH-SYSTEMS - GENERAL HEALTH SYSTEM | 256 | — | 1 |
| AS400966US | CLOUDQUANT-01 - CloudQuant, LLC | 256 | — | 1 |
| AS54267US | LAKE-TRUST-CREDIT-UNION-MULTIHOME-AS-0001 - Lake Trust Credit Union | 256 | — | 1 |
| AS19593US | SMITHDRUGCOMPANY - Smith Drug Company | 256 | — | 1 |
| AS47091US | AIR-LIQUIDE-US000 - Air Liquide America | 256 | — | 1 |
| AS26289US | SOUTHSIDE-BANCSHARES-INC - Southside Bancshares, Inc. | 256 | — | 1 |
| AS205781US | HostZen HostZen LLC | 256 | — | 1 |
| AS19617US | SAA - SOUTHERN AUTO AUCTION | 256 | — | 1 |
| AS151975US | EAAPPL-AS-AP - Electronic Arts Inc. | 256 | — | 1 |
| AS46919US | QRM - Quantitative Risk Management, Incorporated | 256 | — | 1 |
| AS395511US | NYCRE-ROC - NY CREATES | 256 | — | 1 |
| AS19879US | QOMRO - Propel Labs, LLC | 256 | 4.1K | 2 |
| AS58313US | MISAKA-UK-AS Misaka Network, Inc. | 256 | 65.5K | 3 |
| AS398316US | SCTDC - SC TECHNOLOGY SERVICES LLC | 256 | — | 1 |
| AS399876US | IEHP-AT - Inland Empire Health Plan | 256 | — | 1 |
| AS395422US | OAKLAWNRACINGANDGAMING - OAKLAWN JOCKEY CLUB, INC. | 256 | — | 1 |
| AS16899US | SNDCOFFEE-PUBLIC-IPBLOCK - S&D Coffee, Inc. | 256 | — | 1 |
| AS46213US | LS-POWER-ASN-02 - LS Power Development, LLC | 256 | — | 1 |
| AS40110US | CCI-ASN - CCI | 256 | — | 1 |
| AS139682US | APKSL-AS-AP - Arnold & Porter Kaye Scholer LLP | 256 | — | 1 |
| AS25744US | LOGIC-SPRINGS-TECHNOLOGIES - Logic Springs Technologies | 256 | — | 1 |
| AS5067US | AC-5394-5067 - AvalonBay Communities, Inc. | 256 | — | 1 |
| AS33101US | AAFCU-PUBLIC-01 - AIR ACADEMY FEDERAL CREDIT UNION | 256 | — | 1 |
| AS55136US | CF-ASN - CARLTON FIELDS, P.A. | 256 | — | 1 |
| AS32684US | ARIENS - Ariens Company | 256 | — | 1 |
| AS395553US | CCI - Crain Communications Inc. | 256 | — | 1 |
| AS394026US | VOS-ASN1 - Village of Schaumburg | 256 | — | 1 |
| AS55100US | GTCNA - The Glenmede Trust Company National Association | 256 | — | 1 |
| AS394550US | SFCOMPUTE - San Francisco Compute Company | 256 | 1 | 2 |
| AS15300US | 4IMPRINT - 4imprint | 256 | — | 1 |
| AS19191US | SPRINGNET1-EOS - JAB Wireless, INC. | 256 | — | 1 |
| AS54261US | PHCCNET - Pasco-Hernando State College | 256 | — | 1 |
| AS393945US | ENPT-I-15 - enfoPoint, LLC | 256 | 65.5K | 3 |
| AS401609US | BAINBRIDGE - Bainbridge Internet Services | 256 | 256 | 2 |
| AS60808US | AP-2440-60808 - Anthropic, | 256 | — | 1 |
| AS395642US | MOZILLA-TOR1 - Mozilla Corporation | 256 | 1 | 2 |