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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. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,240 |
| 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 | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,656 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,941 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,379 |
| 1.3K |
| — |
| 4 |
| AS14850US | PACE-SUBURBAN-BUS - PACE, the suburban bus division of the Region Transportation Authority | 1.3K | — | 2 |
| AS54761US | ARIN-SAMBREEL-SVCS - Sambreel Services, LLC | 1.3K | — | 5 |
| AS3474US | DNIC-AS-03474 - United States Department of Defense (DoD) | 1.3K | — | 5 |
| AS31892US | FLP-MSA - Forever Living Products | 1.3K | — | 4 |
| AS9423US | SERVERKINGIOLLC-AS-AP - ServerKing.io, LLC | 1.3K | 4 | 8 |
| AS400397US | HERKIMER-COUNTY-COMMUNITY-COLLEGE - Herkimer County Community College | 1.3K | — | 5 |
| AS53811US | SFCL-HNP - San Francisco Chronicle, LLC | 1.3K | — | 2 |
| AS32482US | BANDWIDTH-US-2 - Bandwidth Inc. | 1.3K | 65.5K | 5 |
| AS40860US | WBIA-1-40860 - Word and Brown Insurance Administrators, Inc | 1.3K | — | 2 |
| AS26840US | ABG - Advanced Business Group, LLC | 1.3K | — | 4 |
| AS17095US | BUILDBUDDY-01 - BuildBuddy | 1.3K | — | 5 |
| AS395988US | ECFMG - ECFMG | 1.3K | — | 2 |
| AS393972US | CMECCONNECT - Coles Moultrie Electric Cooperative | 1.3K | — | 4 |
| AS19179US | COEP - City of El Paso | 1.3K | — | 4 |
| AS19105US | FIRSTBANK - FirstBank | 1.3K | — | 5 |
| AS15315US | IVANET-LISBON - IBASIS INC. | 1.3K | — | 4 |
| AS19864US | HFASERVICES - HFA Specialty Assets LLC | 1.3K | — | 3 |
| AS6401US | ZAYO-CAN-6401 - Zayo Bandwidth | 1.3K | — | 5 |
| AS36480US | BITRISE - Bitrise | 1.3K | — | 5 |
| AS14139US | AS-MAXOR - Maxor National Pharmacy Services, LLC | 1.3K | — | 4 |
| AS55291US | HARRIS-COUNTY-AS - Harris County | 1.3K | — | 2 |
| AS2155US | HPINC - HP Inc. | 1.3K | — | 2 |
| AS213510US | EJOHNSON Eric Johnson | 1.3K | — | 2 |
| AS15005US | CIRCLE-B - Circle B Wireless | 1.3K | — | 4 |
| AS7720US | SKYWOLF-AS-AP - Skywolf Technology LLC | 1.3K | 5 | 9 |
| AS17366US | ARINCASN - ARINC INCORPORATED | 1.3K | — | 5 |
| AS3471US | DNIC-AS-03471 - United States Department of Defense (DoD) | 1.3K | — | 5 |
| AS16744US | WUCHICAGO - THE WESTERN UNION COMPANY | 1.3K | — | 3 |
| AS11495US | COMNEXIA-CLEC - COMNEXIA Corporation | 1.3K | — | 5 |
| AS402267US | HADOOPSKY - Hadoopsky LLC | 1.3K | — | 5 |
| AS18786US | ALL-POINTS-BROADBAND-1 - All Points Broadband | 1.3K | — | 2 |
| AS46788US | IMSD-AS1 - Milwaukee County Government | 1.3K | — | 2 |
| AS40437US | ACESPOWERMARKETING-INDY-AS - ACES Power Marketing | 1.3K | — | 4 |
| AS26215US | XCLUTEL - Xclutel LLC | 1.3K | — | 2 |
| AS396336US | HHS-DC - Holzer Health System | 1.3K | — | 5 |
| AS401990US | STORM-NET - StormNode Systems LLC | 1.3K | — | 5 |
| AS190US | DNIC-AS-00190 - Navy Network Information Center (NNIC) | 1.3K | — | 5 |
| AS18602US | PWRWG - Paul, Weiss, Rifkind, Wharton & Garrison LLP | 1.3K | — | 5 |
| AS401222US | BLOCKAGENDA - Block Agenda LLC | 1.3K | 4.1K | 3 |
| AS397095US | SETSONLLC - Setson LLC | 1.3K | 4.1K | 4 |
| AS27349US | DNI-4305 - Definitive Networks, Inc. | 1.3K | — | 5 |
| AS2274US | CBO - Congressional Budget Office | 1.3K | — | 5 |
| AS401948US | MIXBOOST-D - VERYBOOST INC | 1.3K | — | 5 |
| AS399522US | TP - The Producers, Inc. | 1.3K | 256 | 5 |
| AS6517US | LAKENETWORKS-AS - LAKENETWORKS | 1.3K | 7K | 21 |
| AS14469US | SWISHMAIL - Swishmail | 1.3K | 4.1K | 3 |