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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 | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| — |
| — |
| 0 |
| AS22852US | PLESKLOGIN - PleskLogin Net | — | — | 0 |
| AS19897US | IQNT-BROAD-6-19897 - Inteliquent, inc. | — | — | 0 |
| AS21988US | HENDRICK-AUTO-GROUP - Hendrick Automotive Group | — | — | 0 |
| AS21776US | BLOSSOMTEL-AS - CHICKASAW TELEPHONE | — | — | 0 |
| AS5245US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS20433US | CENGAGE-MABOS - Cengage Learning, Inc. | — | — | 0 |
| AS16631US | COGENT-16631 - Cogent Communications, LLC | — | — | 0 |
| AS16535US | ECHOS-3 - Echostar Purchasing Corporation | — | — | 0 |
| AS15163US | MTD - MTD Products, Inc | — | — | 0 |
| AS27273US | DC37 - District Council 37 | — | — | 0 |
| AS18823US | MEDICALERT - Medicalert Foundation | — | — | 0 |
| AS18741US | SOUNDHOUND1 - SoundHound, Inc. | — | — | 0 |
| AS1675US | ANS-NY2-AS - Verizon Business | — | — | 0 |
| AS7907US | NETWORD-CORP - Networldtron Corp | — | — | 0 |
| AS7823US | DUPONT-ASN - DuPont | — | — | 0 |
| AS9400US | CORENETINC-AS-AP - CoreNET Inc. | — | — | 0 |
| AS10736US | ITLTD - International Telcom, Ltd. | — | — | 0 |
| AS10699US | TELSOFT-AS - TelSoft Consultants, Inc. | — | — | 0 |
| AS10588US | ICSNET - Intelligent Computer Solutions, Inc | — | — | 0 |
| AS10614US | ZHONKA-AS - Zhonka Broadband, LLC | — | — | 0 |
| AS1847US | AS1843-7 - National Aeronautics and Space Administration | — | — | 0 |
| AS8004US | DTG - Diversified Technologies Group | — | — | 0 |
| AS1512US | CTNOSC-ASN-1512 - Headquarters, USAISC | — | — | 0 |
| AS10817US | GACONNECT - Georgia Connection.net | — | — | 0 |
| AS3022US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2969US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2692US | ATGS-MMD-AS - AT&T Enterprises, LLC | — | — | 0 |
| AS2874US | ORANGE-BUSINESS-SERVICES-NORDICS ORANGE BUSINESS SERVICES U.S. Inc. | — | — | 0 |
| AS2032US | DNIC-AS-02032 - United States Department of Defense (DoD) | — | — | 0 |
| AS10960US | CENTURYLINK-QC-MOE-TUCSON - CenturyLink Communications, LLC | — | — | 0 |
| AS6013US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6004US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5950US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6061US | OREILLYMEDIA-AS2 - O'Reilly Media, Inc. | — | — | 0 |
| AS12203US | POP1 - Webster Bank, National Association | — | — | 0 |
| AS12015US | WOW-INTERNET - WideOpenWest Finance LLC | — | — | 0 |
| AS7813US | NPL - The Northwest PC Link | — | — | 0 |
| AS11849US | CAMPLINK-3 - Camplink | — | — | 0 |
| AS197127US | OwO-Intranet-Services OwO Intranet Services LLC | — | 17 | 2 |
| AS10950US | POLITICO - Politico, LLC | — | — | 0 |
| AS13870US | SKYWOLF - Skywolf Technology LLC | — | — | 0 |
| AS5359US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS13384US | SECURENET-AS - Worldpay, LLC | — | — | 0 |
| AS13361US | ACPG - American Computer Group, Inc. | — | — | 0 |
| AS10342US | INETINFOSVCS-AS - Internet Information Services, Inc. | — | — | 0 |
| AS10432US | APC-AS-2 - American Personal Communications | — | — | 0 |