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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 |
| AS1334US | ANSBB-ASNNET-1 - Verizon Business | — | — | 0 |
| AS1060US | SUNWEST-BANK - Sunwest Bank | — | — | 0 |
| AS1033US | HPE-AMS-CFC - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS509US | DNIC-AS-00509 - United States Department of Defense (DoD) | — | — | 0 |
| AS403190US | MC-AS1 - USP | — | — | 0 |
| AS476US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS6043US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS5923US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5949US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6202US | NEXTRON - IMV/Internet | — | — | 0 |
| AS6156US | SPRINTLINK-NYSERNET7 - SPRINT, Business Serices Group | — | — | 0 |
| AS5959US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6007US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5948US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS396088US | SOMNET-AS-01 - SOMCO LLC | — | 1 | 1 |
| AS7107US | 3DO - The 3DO Company | — | — | 0 |
| AS5899US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5863US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS3468US | DNIC-AS-03468 - United States Department of Defense (DoD) | — | — | 0 |
| AS20433US | CENGAGE-MABOS - Cengage Learning, Inc. | — | — | 0 |
| AS7135US | KOHALA - Kohala Software | — | — | 0 |
| AS20155US | OCO-1 - ORANGE COUNTY ONLINE | — | — | 0 |
| AS19947US | VINS-AS-2 - Flexential Colorado Corp. | — | — | 0 |
| AS219187US | Tangtech-Internet-Services Tangtech Internet Services LLC | — | 16 | 1 |
| AS2733US | ADDREX - Addrex, Inc | — | — | 0 |
| AS19219US | WPS-AS19219 - Wisconsin Physicians Service Insurance Corp. | — | — | 0 |
| AS1686US | ANS-1686-AS - Verizon Business | — | — | 0 |
| AS2893US | CLI-NET - Computational Logic, Inc. | — | — | 0 |
| AS2035US | NGIS-AS3 - Northrop Grumman Corp. | — | — | 0 |
| AS2156US | HPINC - HP Inc. | — | — | 0 |
| AS1997US | IBMDES-AS - IBM | — | — | 0 |
| AS10515US | CLT-NIC - VeriSign Infrastructure & Operations | — | 1 | 1 |
| AS22738US | LANLOGIC - LanLogic,Inc. | — | — | 0 |
| AS1550US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | — | — | 0 |
| AS1495US | DNIC-ASBLK-01494-01495 - Headquarters, USAISC | — | — | 0 |
| AS1489US | DNIC-ASBLK-01488-01489 - Headquarters, USAISC | — | — | 0 |
| AS3664US | DNIC-ASBLK-03664-03667 - United States Department of Defense (DoD) | — | — | 0 |
| AS3822US | ITSNET - Internet Technology Systems | — | — | 0 |
| AS3638US | GLOBALI - Shaman Exchange, Inc. | — | — | 0 |
| AS394882US | JUPITERCLOUD - Jupiter Cloud LLC | — | 2 | 2 |
| AS2978US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS1400US | T2-CT-ASC - Charles Schwab & Co., Inc. | — | — | 0 |
| AS3008US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3004US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2935US | CDOLNET-GOV - Connecticut Department of Labor | — | — | 0 |
| AS10941US | TECHCOM-1 - Genuine Telecom | — | 256 | 1 |