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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 |
| HINTON - The Hinton CATV Company, Inc. |
| 6.4K |
| 65.5K |
| 6 |
| AS401434US | HYTRONNETWORK-US - Hytron Network Services (US) LLC | 6.4K | 1 | 20 |
| AS18785US | SANTELCOMMCOOP - Santel Communications Cooperative, Inc. | 6.4K | 65.5K | 13 |
| AS19419US | SONY-PICTURES-ENTERTAINMENT - Sony Pictures Entertainment Inc | 6.4K | — | 11 |
| AS33168US | INLANDIMAGING - INLAND IMAGING L.L.C. | 6.4K | — | 22 |
| AS54536US | ADAMSSTATE - Adams State University | 6.4K | 1 | 4 |
| AS11195US | COHO-ASN - Whiz to Coho, Inc. | 6.4K | — | 3 |
| AS27521US | CATCOMM-ASN - CATCOMM INTERNET SERVICES, LLC | 6.4K | — | 25 |
| AS393571US | ALLCOVERED-EAST1-AS - Konica Minolta Business Solutions U.S.A, Inc. | 6.4K | — | 19 |
| AS397477US | WGIX - WGIX | 6.4K | — | 18 |
| AS36530US | FUTURE-LAIN - IDC Cube | 6.4K | 284 | 44 |
| AS30371US | AS-GTT-30371 - GTT Americas, LLC | 6.4K | 4 | 8 |
| AS396290US | NCL-203-396290 - Nielsen Consumer LLC | 6.4K | — | 18 |
| AS40165US | VCS - Voxology Carrier Services, Inc. | 6.4K | 65.5K | 26 |
| AS11313US | FANNIEMAE - Fannie Mae | 6.4K | — | 25 |
| AS21534US | AS21534 - BroadSoft, Inc. | 6.4K | 8 | 33 |
| AS53730US | RAILHEAD - Railhead, Inc | 6.4K | 65.5K | 13 |
| AS62592US | HOPI - HOPI TELECOMMUNICATIONS | 6.4K | — | 10 |
| AS62707US | GLEXIA-AS - Glexia, Inc. | 6.4K | 65.5K | 26 |
| AS32898US | NTS-ALBUQUERQUE-01 - Vexus Fiber | 6.4K | — | 3 |
| AS40181US | ELITESYSTEMS - Elite Systems, LLC | 6.4K | — | 12 |
| AS26114US | ANAPLAN - Anaplan, Inc. | 6.4K | — | 19 |
| AS63402US | UCDP-ORLCORP - Universal Orlando | 6.4K | — | 22 |
| AS394720US | ALAMO-COLLEGES - Alamo Community College District | 6.4K | — | 18 |
| AS40910US | BAYLOR - Baylor Health Care System | 6.4K | — | 3 |
| AS401650US | VL - 888 Ventures LLC | 6.4K | — | 25 |
| AS33236US | HREC-AS-01 - Hood River Electric Cooperative | 6.4K | 65.5K | 11 |
| AS2011US | WELLSFARGO-2011 - Wells Fargo Bank, N.A. | 6.4K | 1 | 9 |
| AS46979US | MCTC-INTERNET - Madison County Telephone Company | 6.1K | — | 4 |
| AS5744US | USPTO - United States Patent and Trademark Office | 6.1K | 322 | 10 |
| AS400737US | AMS-CO-CXO - HEWLETT PACKARD ENTERPRISE COMPANY | 6.1K | — | 4 |
| AS36243US | BPS-NETWORKS - BPS Networks | 6.1K | 65.5K | 6 |
| AS18948US | NYMC2000-ARIN - New York Medical College | 6.1K | — | 3 |
| AS14238US | FC - Falcon Communications LLC | 6.1K | — | 14 |
| AS11966US | GLOBALDATASYSTEMS-ASN - GLOBAL DATA SYSTEMS INC. | 6.1K | — | 8 |
| AS25674US | MT-1392-25674 - Lingo Telecom, LLC | 6.1K | — | 20 |
| AS19275US | INTERVAL - Interval International, Inc. | 6.1K | — | 9 |
| AS16843US | CELLTEX-NETWORKS - Celltex Networks, LLC | 6.1K | 65.5K | 13 |
| AS50835US | EancenterTelecom EANCENTER TELECOM LLC | 6.1K | — | 15 |
| AS3374US | MCI-ASN - Verizon Business | 6.1K | — | 2 |
| AS32575US | DIGICERT - DigiCert, Inc. | 6.1K | 257 | 18 |
| AS46985US | HPWREN - The Regents of the University of California - University of California, San Diego. | 6.1K | — | 8 |
| AS7265US | WOW-INTERNET - WideOpenWest Finance LLC | 6.1K | — | 21 |
| AS26498US | SANFORD-LAB - Sanford Underground Laboratory at Homestake | 6.1K | — | 2 |
| AS36612US | CLARKCOUNTYWA - Clark County WA | 6.1K | — | 2 |
| AS21779US | HARLANONLINE - Harlan Community Television, Inc. | 6.1K | — | 3 |
| AS36294US | WINFIELD-WIRELESS - Clark County Computer Connections | 6.1K | — | 3 |