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 80,454 Autonomous Systems
| Rank ↑ | AS Number | Organisation | Total IPv4 Addresses |
|---|---|---|---|
| 31 | AS1221 | AU Telstra Limited | 13,387,776 |
| 32 | AS8151 | MX UNINET | 13,347,840 |
| 33 | AS20115 | US Charter Communications LLC | 12,916,442 |
| 34 | AS22773 | US Cox Communications Inc. | 12,499,199 |
| 35 | AS22394 | US Verizon Business | 12,481,536 |
| 36 | AS3462 | TW Chunghwa Telecom Co., Ltd. | 12,224,510 |
| 37 | AS7377 | US University of California, San Diego | 12,068,362 |
| 38 | AS21928 | US T-Mobile USA, Inc. | 11,962,880 |
| 39 | AS3209 | DE Vodafone GmbH | 11,145,653 |
| 40 | AS65137 | Private Use AS | 11,026,432 |
| 41 | AS26599 | BR TELEFÔNICA BRASIL S.A | 10,784,415 |
| 42 | AS3352 | ES TELEFONICA DE ESPANA S.A.U. | 10,510,938 |
| 43 | AS17858 | KR LG POWERCOMM | 10,503,625 |
| 44 | AS5650 | US Frontier Communications of America, Inc. | 10,245,120 |
| 45 | AS7029 | US Windstream Communications LLC | 10,176,095 |