| Date | IP Address |
| 2020-12-15 | 13.124.245.208 (ClassC) |
| 2021-06-08 | 52.78.99.248 (ClassC) |
| 2021-06-08 | 13.209.100.179 (ClassC) |
| 2021-12-01 | 13.209.147.42 (ClassC) |
| 2021-12-01 | 15.165.221.160 (ClassC) |
| 2022-05-09 | 3.37.167.147 (ClassC) |
| 2022-05-09 | 15.164.12.244 (ClassC) |
| 2022-05-09 | 3.37.52.182 (ClassC) |
| 2022-05-09 | 3.36.28.65 (ClassC) |
| 2024-03-15 | 43.200.28.164 (ClassC) |
| 2024-03-15 | 54.180.50.206 (ClassC) |
| 2024-03-17 | 52.78.132.179 (ClassC) |
| 2024-03-29 | 54.180.21.102 (ClassC) |
| 2024-04-18 | 15.165.163.93 (ClassC) |
| 2024-04-30 | 43.203.23.115 (ClassC) |
| 2024-07-20 | 3.34.8.162 (ClassC) |
| 2024-07-20 | 3.39.56.44 (ClassC) |
| 2025-04-06 | 43.202.141.239 (ClassC) |
| 2025-05-04 | 43.201.140.136 (ClassC) |
| 2025-05-22 | 15.165.207.19 (ClassC) |
| 2025-06-05 | 15.164.186.222 (ClassC) |
| 2025-06-05 | 52.79.132.90 (ClassC) |
| 2025-06-12 | 15.165.83.90 (ClassC) |
| 2025-06-21 | 43.202.153.27 (ClassC) |
| 2025-06-21 | 43.202.217.129 (ClassC) |
| 2025-09-07 | 3.38.11.198 (ClassC) |
| 2025-09-07 | 15.165.124.97 (ClassC) |
| 2025-12-21 | 13.125.141.60 (ClassC) |
| 2026-03-09 | 13.124.57.142 (ClassC) |
| Date | Domain | IP |
| data.nextpay.co.kr | 2025-04-06 | 99.84.66.27 |
| service.nextpay.co.kr | 2025-04-06 | 43.202.141.239 |
| api.instoredemog.nextpay.co.kr | 2025-05-24 | 52.231.92.176 |
| www.nextpay.co.kr | 2024-11-24 | 18.161.6.129 |