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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 | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 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 | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| RHODESCOLLEGE - Rhodes College |
| — |
| — |
| 0 |
| AS394190US | CENTURYLINK-LEGACY-QWEST-WIRELESS-BACKUP - CenturyLink Communications, LLC | — | — | 0 |
| AS395326US | MIT-V6 - Massachusetts Institute of Technology | — | 1 | 1 |
| AS7431US | EGIX-CHAMPAIGN-AS - Altafiber | — | — | 0 |
| AS393718US | ABILITY-ASN - Ability Network Inc. | — | — | 0 |
| AS395496US | MICROSOFT-CORP-AS-BLOCK-MSIT3 - Microsoft Corporation | — | — | 0 |
| AS395469US | FINDLAY-AUTOMOTIVE - Findlay | — | — | 0 |
| AS560US | LVLT-560 - Level 3 Parent, LLC | — | — | 0 |
| AS21820US | V64U - V6 FOR YOU LLC | — | 1 | 1 |
| AS394909US | TALEND-ASN - Talend Inc. | — | — | 0 |
| AS200766US | BROWN-AS Kerry Lynn brown jr | — | 274 | 4 |
| AS6576US | MCC-SUM - SUMMIT COMMUNICATIONS SYSTEM, INC. | — | — | 0 |
| AS12117US | WCN-OMNI-BLKS - west central wireless | — | — | 0 |
| AS11424US | TEMPLE-UNIVERSITY-HEALTH-SYSTEM - Temple University Health System, Inc. | — | — | 0 |
| AS11234US | DEF-ASN-001 - Drew Eckl & Farnham, LLP | — | — | 0 |
| AS200085US | WEILNET WeilNet, LLC | — | 5 | 5 |
| AS12263US | STBH - Saint Bernard Hospital | — | — | 0 |
| AS10892US | ISSI - Infinite Software Solutions, Inc. | — | — | 0 |
| AS13386US | SKYRIVER - Skyriver Communications, Inc. | — | — | 0 |
| AS13346US | CENTURION-MEDICAL-PRODUCTS - Centurion Medical Products Corporation | — | — | 0 |
| AS12064US | ASN-CXA-HR-12064-CBS - Cox Communications Inc. | — | — | 0 |
| AS11400US | LNRP - LNR Property Corp | — | — | 0 |
| AS12016US | SDNBROS - SDNBROS LLC | — | — | 0 |
| AS211562US | andrewnet andrewnet llc | — | 261 | 6 |
| AS4217US | DNIC-ASBLK-04214-04221 - United States Department of Defense (DoD) | — | — | 0 |
| AS3764US | IA-HOU-AS - JAB Wireless, INC. | — | — | 0 |
| AS3546US | DNIC-AS-03546 - United States Department of Defense (DoD) | — | — | 0 |
| AS3519US | DSI-WR - RTX BBN Technologies, Inc. | — | — | 0 |
| AS2979US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3009US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS13560US | TWC-13560-NA - Charter Communications Inc | — | — | 0 |
| AS7166US | C-ECOMM - C-E Communications | — | — | 0 |
| AS10853US | ANDERSENCORP - Andersen Corporation | — | — | 0 |
| AS7159US | NTTCNET - New Trier Technology Cooperative | — | — | 0 |
| AS11944US | LTC-1 - LaValle Telephone Cooperative | — | 256 | 1 |
| AS13881US | CIIS - California Institute of Integral Studies | — | — | 0 |
| AS14294US | 8X8-FUZE - 8x8, Inc. | — | — | 0 |
| AS14185US | CBSK - CABLE ONE, INC. | — | — | 0 |
| AS197962US | HOOP7MOBILETELECOM-AS 7HOOP MOB TELECOM LLC | — | 98.3K | 24 |
| AS399583US | OPM-AZURE - Office of Personnel Management | — | — | 0 |
| AS402897US | CKSVC-01 - CK | — | 17 | 2 |
| AS13484US | 3DE - 3D EXHIBITS INC | — | — | 0 |
| AS402430US | HOX - Hox | — | 256 | 1 |
| AS5073US | HPINC - HP Inc. | — | — | 0 |
| AS13420US | SBCIS-LUBKTX - AT&T Enterprises, LLC | — | — | 0 |
| AS14629US | ASN-PFCS - PFCS Corporation | — | — | 0 |
| AS14594US | AS14594 - Payment Alliance International, Inc | — | — | 0 |