| Date | IP Address |
| 2020-02-26 | 3.121.93.63 (ClassC) |
| 2022-05-12 | 3.65.69.81 (ClassC) |
| 2023-12-15 | 35.157.16.58 (ClassC) |
| 2024-07-02 | 3.67.90.179 (ClassC) |
| 2024-07-07 | 18.158.219.78 (ClassC) |
| 2024-08-20 | 52.29.126.126 (ClassC) |
| 2024-09-13 | 52.59.39.38 (ClassC) |
| 2024-11-08 | 18.197.183.254 (ClassC) |
| 2024-11-24 | 18.193.160.31 (ClassC) |
| 2024-12-26 | 35.159.35.74 (ClassC) |
| 2025-01-28 | 35.156.218.250 (ClassC) |
| 2025-02-08 | 52.57.29.52 (ClassC) |
| 2025-04-27 | 3.77.165.190 (ClassC) |
| 2025-05-29 | 3.66.112.11 (ClassC) |
| 2025-07-09 | 3.65.165.164 (ClassC) |
| 2025-09-07 | 3.66.106.171 (ClassC) |
| 2026-02-03 | 18.194.103.50 (ClassC) |
| 2026-02-23 | 63.182.87.31 (ClassC) |
| Date | Domain | IP |
| service.billcity.hu | 2025-07-22 | 18.197.233.171 |
| blog.billcity.hu | 2025-05-29 | 35.157.21.123 |
| api.billcity.hu | 2024-03-01 | 18.161.6.27 |
| app.billcity.hu | 2024-12-27 | 35.158.253.94 |
| dev-app.billcity.hu | 2025-09-02 | 18.193.142.36 |
| www.billcity.hu | 2024-07-02 | 3.67.90.179 |