NETWORK INSIGHTS · NETWORK ENGINEERING
Autonomous Systems Ranked by IPv4 Space
This report shows the global list of active Autonomous Systems (AS) ranked by total advertised IPv4 addresses. Updated every two hours.
Showing 3,991–4,005 of 80,781 Autonomous Systems
| Rank ↑ | AS Number | Organisation | Total IPv4 Addresses |
|---|---|---|---|
| 3991 | AS7393 | US CYBERCON, INC. | 55,552 |
| 3992 | AS59395 | GB Southern Communications Ltd | 55,552 |
| 3993 | AS22611 | US InMotion Hosting, Inc. | 55,552 |
| 3994 | AS64706 | Private Use AS | 55,552 |
| 3995 | AS11452 | US Mount Sinai School of Medicine | 55,552 |
| 3996 | AS12086 | US DT Micro, inc. | 55,552 |
| 3997 | AS35280 | FR F5 Networks SARL | 55,296 |
| 3998 | AS400427 | US IQ Fiber | 55,296 |
| 3999 | AS32035 | US Sangoma US Inc. | 55,296 |
| 4000 | AS23404 | US Ritter Communications | 55,296 |
| 4001 | AS11971 | US Pfizer Inc. | 55,296 |
| 4002 | AS138169 | CN China Telecom | 55,070 |
| 4003 | AS35415 | NL Webzilla B.V. | 55,040 |
| 4004 | AS17166 | US Travelers Property Casualty Corp. | 55,040 |
| 4005 | AS2165 | US HP Inc. | 55,040 |