| Date | IP Address |
| 2015-08-11 | 72.52.4.91 (ClassC) |
| 2016-11-08 | 185.53.178.9 (ClassC) |
| 2019-11-29 | 203.104.150.5 (ClassC) |
| 2021-05-27 | 147.92.146.112 (ClassC) |
| 2024-11-09 | 147.92.243.14 (ClassC) |
| Date | Domain | IP |
| chat-streaming-api-v2.line.biz | 2024-11-06 | 147.92.242.94 |
| brain-console.line.biz | 2024-10-01 | 147.92.144.240 |
| blockchain.line.biz | 2024-10-01 | 23.46.228.100 |
| brain-admin.line.biz | 2024-11-02 | 147.92.241.27 |
| manager.line.biz | 2023-12-08 | 23.216.147.64 |
| developers.line.biz | 2024-11-03 | 147.92.184.65 |
| api-oaplus.line.biz | 2024-07-20 | 147.92.184.154 |
| chat.line.biz | 2023-12-07 | 184.25.56.148 |
| chat-content.line.biz | 2023-08-08 | 23.216.147.189 |
| account.line.biz | 2024-11-09 | 147.92.243.14 |