Loading…
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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,275 |
| 65.5K |
| — |
| 1 |
| AS46543US | UMB - University of Maryland, Baltimore | 65.5K | — | 1 |
| AS11649US | GUNET - Gonzaga University | 65.5K | — | 1 |
| AS353US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.5K | — | 1 |
| AS27402US | IBC-N1 - Independence Blue Cross | 65.5K | — | 1 |
| AS16889US | STEVENS-TECH - Stevens Institute of Technology | 65.5K | — | 1 |
| AS13748US | CSHL - Cold Spring Harbor Laboratory | 65.5K | — | 1 |
| AS11214US | UNIVERSITY-OF-NORTH-FLORIDA - University of North Florida | 65.5K | 16 | 2 |
| AS36390US | TRI-C-AS - Cuyahoga Community College | 65.5K | — | 1 |
| AS11607US | SD-STATE-UNIVERSITY - South Dakota State University | 65.5K | — | 1 |
| AS14183US | UALR-ASN - University of Arkansas at Little Rock | 65.5K | 1 | 2 |
| AS21727US | HAMLINE-EDU - Hamline University | 65.5K | — | 1 |
| AS359US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.5K | 256 | 2 |
| AS40591US | BUCKNELLUNIVERSITY - Bucknell University | 65.5K | 1 | 4 |
| AS27616US | AS-NEWSCHOOL - The New School | 65.5K | — | 1 |
| AS398086US | SUNY-MORRISVILLE - SUNY Morrisville | 65.5K | — | 1 |
| AS32234US | UD-ACA-AS - University of Dayton | 65.5K | 16 | 2 |
| AS33434US | HAMILTON-COLLEGE - Hamilton College | 65.5K | — | 1 |
| AS3777US | HAVERFORD - Haverford College | 65.5K | — | 1 |
| AS401974US | VVUSD-157-233 - Val Verde Unified School District | 65.5K | — | 1 |
| AS21897US | VIRTUA-HEALTH - Virtua Health | 65.5K | — | 1 |
| AS12173US | UA - The University of Alabama | 65.5K | — | 6 |
| AS14433US | SUNY-OSWEGO-ASN - State University of New York - Oswego | 65.5K | — | 1 |
| AS399911US | SKPS - Salem-Keizer Public Schools | 65.5K | — | 2 |
| AS6522US | LEHIGH - Lehigh University | 65.5K | — | 1 |
| AS22245US | WICHITA-STATE-U - Wichita State University | 65.5K | — | 1 |
| AS5376US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 65.5K | 1 | 2 |
| AS3935US | EASTWAUNIV - Eastern Washington University | 65.5K | — | 1 |
| AS2705US | BJCHE-1 - BJC HEALTH SYSTEM | 65.5K | — | 1 |
| AS14486US | OXY-AS - Occidental College | 65.5K | — | 1 |
| AS11482US | CANISIUS-COLLEGE - Canisius College | 65.5K | — | 1 |
| AS32243US | ATI-ASN - ATI | 65.5K | — | 1 |
| AS33187US | SHSU - Sam Houston State University | 65.5K | 1 | 2 |
| AS3795US | BRYNMAWR - Bryn Mawr College | 65.5K | — | 1 |
| AS16424US | LBL-ESD - Linn Benton Lincoln Education Service District | 65.5K | — | 1 |
| AS4604US | HOUSTON-ISD - Houston Independent School District | 65.5K | — | 3 |
| AS10508US | UARK-FAYETTEVILLE - University of Arkansas | 65.5K | 65.5K | 2 |
| AS5738US | SOVER-ASN - FirstLight Fiber, Inc. | 65.5K | — | 5 |
| AS4241US | CSFTB - California State Franchise Tax Board | 65.5K | — | 1 |
| AS2532US | LOC - Library of Congress | 65.5K | — | 1 |
| AS17234US | GAC - Gustavus Adolphus College | 65.5K | 65.5K | 3 |
| AS3782US | SWARTHMORE - Swarthmore College | 65.5K | — | 1 |
| AS17011US | PPG-INDUSTRIES - PPG Industries, Inc. | 65.5K | — | 1 |
| AS30641US | STATEOFDE - STATE OF DELAWARE | 65.5K | 4.1K | 3 |
| AS395871US | SUNY-COLLEGE-AT-PLATTSBURGH - SUNY College at Plattsburgh | 65.5K | — | 1 |
| AS36691US | CSUP-AS - Colorado State University | 65.5K | — | 1 |
| AS46662US | BSU-AS - Boise State University | 65.5K | — | 1 |