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 31–45 of 81,938 Autonomous Systems
| Rank ↑ | AS Number | Organisation | Total IPv4 Addresses |
|---|---|---|---|
| 31 | AS8151 | MX Uninet S.A. de C.V. | 13,670,928 |
| 32 | AS1221 | AU Telstra Limited | 13,386,368 |
| 33 | AS22773 | US Cox Communications Inc. | 13,094,144 |
| 34 | AS20115 | US Charter Communications LLC | 12,496,352 |
| 35 | AS3462 | TW Chunghwa Telecom Co., Ltd. | 12,213,915 |
| 36 | AS22394 | US Verizon Business | 12,089,344 |
| 37 | AS7377 | US University of California, San Diego | 11,997,962 |
| 38 | AS21928 | US T-Mobile USA, Inc. | 11,853,312 |
| 39 | AS3209 | DE Vodafone GmbH | 11,143,217 |
| 40 | AS65137 | Private Use AS | 10,913,024 |
| 41 | AS26599 | BR TELEFÔNICA BRASIL S.A | 10,786,048 |
| 42 | AS5650 | US Verizon Business | 10,625,152 |
| 43 | AS17858 | KR LG POWERCOMM | 10,503,616 |
| 44 | AS7029 | US Windstream Communications LLC | 10,390,217 |
| 45 | AS3352 | ES TELEFONICA DE ESPANA S.A.U. | 10,380,784 |