NETWORK INSIGHTS
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 79,958 Autonomous Systems
| Rank ↑ | AS Number | Organisation | Total IPv4 Addresses |
|---|---|---|---|
| 31 | AS8151 | MX UNINET | 13,584,612 |
| 32 | AS1221 | AU Telstra Limited | 13,388,800 |
| 33 | AS20115 | US Charter Communications LLC | 12,800,313 |
| 34 | AS22394 | US Verizon Business | 12,667,904 |
| 35 | AS22773 | US Cox Communications Inc. | 12,502,271 |
| 36 | AS3462 | TW Chunghwa Telecom Co., Ltd. | 12,224,510 |
| 37 | AS21928 | US T-Mobile USA, Inc. | 12,087,808 |
| 38 | AS7377 | US University of California, San Diego | 12,074,506 |
| 39 | AS3209 | DE Vodafone GmbH | 11,102,082 |
| 40 | AS65137 | Private Use AS | 11,085,568 |
| 41 | AS26599 | BR TELEFÔNICA BRASIL S.A | 10,735,672 |
| 42 | AS3352 | ES TELEFONICA DE ESPANA S.A.U. | 10,511,796 |
| 43 | AS17858 | KR LG POWERCOMM | 10,503,634 |
| 44 | AS7029 | US Windstream Communications LLC | 10,242,132 |
| 45 | AS5650 | US Frontier Communications of America, Inc. | 10,197,760 |