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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 768 |
| — |
| 3 |
| AS400004US | SECURENET - SecureNet | 768 | 65.5K | 5 |
| AS27608US | RIPPECLOUD - Rippe & Kingston, LLC | 768 | — | 3 |
| AS32086US | PSHP-AS - PACIFICSOURCE HEALTH PLANS | 768 | — | 3 |
| AS402722US | ARCTCLOUD - Arct | 768 | — | 3 |
| AS18864US | FIRST-UNITED-BANK - First United Bank and Trust Company | 768 | — | 3 |
| AS30606US | BHSF - Baptist Health South Florida, Inc. | 768 | — | 3 |
| AS395333US | LACKAWANNA-COLLEGE - Lackawanna College | 768 | — | 3 |
| AS26343US | SPT-ASN-001 - Global Payments Inc. | 768 | — | 3 |
| AS394794US | COVE-2ND - Covenant Health | 768 | — | 3 |
| AS32032US | ORGILL-AS - Orgill, Inc. | 768 | — | 3 |
| AS11230US | MHSFL - Managed Hosting Services, LLC | 768 | — | 3 |
| AS29823US | PBC-WA - Premera Blue Cross | 768 | — | 2 |
| AS25938US | SOROS-FUND-MAN - Soros Fund Management LLC | 768 | — | 3 |
| AS23112US | FLUIDSTACK-NET - Fluidstack Inc | 768 | 65.5K | 12 |
| AS3525US | ALBERTSONS - UNFI | 768 | — | 3 |
| AS32410US | HMSTEINSGRP - Homesite Group Inc | 768 | — | 3 |
| AS395291US | SC-CORE - Snapchat, Inc | 768 | — | 3 |
| AS27477US | POLAR-PUBLIC-HUB-POP-ASN - IBM | 768 | — | 3 |
| AS46436US | XR-ASN1 - XR Trading LLC | 768 | — | 3 |
| AS396202US | PBXI - PBXi | 768 | — | 3 |
| AS5052US | DNIC-AS-05052 - United States Department of Defense (DoD) | 768 | — | 3 |
| AS40238US | JOSTENS - Jostens | 768 | — | 3 |
| AS393895US | LOANDEPOT-COM - LOANDEPOT.COM, LLC | 768 | — | 2 |
| AS16756US | ABCV16756 - ABC Virtual Communications, Inc. | 768 | — | 3 |
| AS40827US | HUDSON-RIVER-TRADING-LLC - Hudson River Trading LLC | 768 | — | 3 |
| AS393707US | ABM-IND - ABM Industries | 768 | — | 3 |
| AS62850US | PELSC-DC - OnTrack Systems LLC | 768 | 256 | 4 |
| AS212935US | THEORI Theori Inc | 768 | 1 | 4 |
| AS22273US | GWCCNET-ASN - Great West Casualty Company | 768 | — | 3 |
| AS46496US | WTNC-INTERNAL-ISP - Washoe Tribe of Nevada and California | 768 | — | 3 |
| AS400260US | OLSON-NETWORK - Olson Tech, LLC | 768 | 256 | 3 |
| AS26307US | HORACE-MANN-EDUCATORS-CORPORATION - Horace Mann Service Corporation | 768 | — | 3 |
| AS15050US | RF-AS1 - The Rockefeller Foundation | 768 | — | 3 |
| AS54305US | ALLACCESSTC - All Access Telecom, Inc. | 768 | — | 3 |
| AS40812US | XTC-WIRELESS - XTC Limited Company | 768 | — | 3 |
| AS398328US | LOCALHOST-LLC - Localhost LLC | 768 | 4.1K | 4 |
| AS16565US | FIRST-HAWAIIAN-BANK - First Hawaiian Bank | 768 | — | 3 |
| AS395169US | SCRIPTPRO-1 - ScriptPro LLC | 768 | — | 3 |
| AS3715US | THEBOE-3715 - The Boeing Company | 768 | — | 3 |
| AS26974US | BIGBYTECC - bigbyte.cc Corp | 768 | — | 3 |
| AS36546US | OREILLYAUTO - O'Reilly Automotive Inc. | 768 | — | 3 |
| AS16738US | LMI - Logistics Management Institute | 768 | — | 3 |
| AS15157US | NORWORLD - NORTHWESTERN CORPORATION | 768 | — | 3 |
| AS22752US | MRCGLOBAL-AS1 - MRC Global (US) Inc. | 768 | — | 2 |
| AS62594US | PDT - PDT Partners LLC | 768 | — | 3 |
| AS32467US | SAKS-HBC-AS - SFA Holdings Inc. | 768 | — | 3 |