| Date | IP Address |
| 2021-10-04 | 13.225.50.41 (ClassC) |
| 2025-04-12 | 23.41.4.77 (ClassC) |
| 2026-01-05 | 23.41.4.70 (ClassC) |
| Date | Domain | IP |
| lojista.koin.com.br | 2025-12-26 | 23.41.4.70 |
| api-prod.koin.com.br | 2025-11-23 | 23.41.4.77 |
| api-antifraud.koin.com.br | 2023-08-15 | 3.230.44.53 |
| e.koin.com.br | 2014-12-29 | 54.231.253.20 |
| boleto.koin.com.br | 2025-11-22 | 23.41.4.70 |
| app.koin.com.br | 2025-08-19 | 23.41.4.70 |
| resources.koin.com.br | 2025-04-12 | 23.41.4.77 |
| api-payments.koin.com.br | 2025-08-01 | 23.41.4.70 |
| checkout.koin.com.br | 2025-11-20 | 23.41.4.70 |
| www.koin.com.br | 2025-01-23 | 141.193.213.20 |