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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. | 218M | 24,555 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,354 |
| 512 |
| — |
| 2 |
| AS396213US | USCUPSTATE - USC Upstate | 512 | — | 2 |
| AS394912US | ALL-IN-1 - Act 1 Group, Inc. | 512 | — | 2 |
| AS398866US | INTERBANK-01 - InterBank | 512 | — | 2 |
| AS22385US | JMS-ASN - Janney Montgomery Scott, LLC | 512 | — | 2 |
| AS63260US | ALYESKA - Alyeska Inc. | 512 | 4.1K | 3 |
| AS16642US | WPP-ET-CAMPUS-ZURICH - The Ogilvy Group, LLC | 512 | — | 1 |
| AS4224US | CALYX-AS - The Calyx Institute | 512 | 1 | 3 |
| AS13391US | UNOS - United Network for Organ Sharing | 512 | — | 2 |
| AS215367US | LIXER LENIN JABIB RAMIREZ | 512 | 1 | 3 |
| AS30489US | MKPCAP - MKP Capital Management, LLC | 512 | — | 2 |
| AS398053US | COMPENTERPRISE - Comporium, Inc | 512 | — | 2 |
| AS215129US | WPL-133-215129 - Wodarek Productions LLC | 512 | 4.1K | 4 |
| AS401855US | FTOP - Maximize Marketing Agency, Inc. | 512 | — | 2 |
| AS29822US | ARCHER1 - Archer and Greiner | 512 | — | 2 |
| AS54236US | PPPA-ASN - Pacific Press Publishing Association, Inc | 512 | — | 2 |
| AS11128US | BERRY-2-ASN - Berry College | 512 | — | 2 |
| AS64213US | AS-ERCELITE - ERC Broadband | 512 | 1 | 3 |
| AS40600US | STRIDEBANK-ASN - Stride | 512 | — | 2 |
| AS397690US | USTX04 - 1A Smart Start LLC | 512 | 1 | 3 |
| AS25806US | RALEYNET - Raley's | 512 | — | 2 |
| AS401462US | SUBARU-SIA - Subaru of Indiana Automotive, Inc. | 512 | — | 1 |
| AS400441US | HYPHA-US1 - WINAC | 512 | — | 2 |
| AS400271US | INTERCO-ASN01 - Interco Trading, Inc. | 512 | — | 2 |
| AS19482US | GTLLP - Greenberg Traurig P.A | 512 | — | 2 |
| AS16719US | NASD - Financial Industry Regulatory Authority, Inc. | 512 | — | 2 |
| AS25916US | FREEMAN-COMPANIES - The Freeman Companies | 512 | — | 2 |
| AS11902US | WORLD-LINK - World-Link Communications, Inc. | 512 | — | 2 |
| AS889US | DVFIBER-VT - Deerfield Valley Communications Union District | 512 | 65.5K | 2 |
| AS30483US | TEXAS-GAS-TRANSMISSION - TEXAS GAS TRANSMISSION, LLC | 512 | — | 2 |
| AS29656US | CCBILL-EU PHOENIX NAP, LLC. | 512 | — | 2 |
| AS393513US | AS-SYNAPT - Synaptics Incorporated | 512 | — | 2 |
| AS14570US | ANSIBLE-NTP - Ansible Networks, LLC | 512 | — | 2 |
| AS27149US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 512 | — | 2 |
| AS26943US | YOUR-ORG-INC-EURO - YOUR.ORG, INC. | 512 | 65.5K | 4 |
| AS208379US | APTN The Associated Press | 512 | — | 2 |
| AS216013US | PAPYRUS-AS Caleb Bonner Trading as Papyrus VIP | 512 | — | 2 |
| AS40710US | CLC-98-ILLINOIS - College of Lake County | 512 | — | 2 |
| AS46787US | RXLINC-INC - RXLINC LLC | 512 | — | 2 |
| AS53858US | BAYCARE-HEALTH-SYSTEM - Baycare Health System, Inc. | 512 | — | 1 |
| AS17321US | LHC-GROUP - LHC Group | 512 | — | 2 |
| AS398949US | KISSUSA-NY - KISS NAIL PRODUCTS, INC | 512 | — | 2 |
| AS19152US | IBMCCH-TOR - IBM | 512 | — | 2 |
| AS402248US | BOLD-AWC-HED - Apogee Telecom Inc. | 512 | — | 1 |
| AS20143US | SUNET-1 - Suffolk University | 512 | — | 2 |
| AS54391US | CRUTCHFIELD - Crutchfield New Media LLC | 512 | 2 | 4 |
| AS13903US | UNITEDLAYER-2 - Unitedlayer, Inc. | 512 | — | 2 |