| Date | IP Address |
| 2023-11-16 | 52.219.172.68 (ClassC) |
| 2024-05-27 | 52.219.150.116 (ClassC) |
| 2024-07-26 | 52.219.150.72 (ClassC) |
| 2024-08-20 | 52.219.151.108 (ClassC) |
| 2024-08-31 | 52.219.162.212 (ClassC) |
| 2024-12-06 | 52.219.8.14 (ClassC) |
| 2024-12-24 | 52.219.16.218 (ClassC) |
| 2025-01-25 | 3.5.156.178 (ClassC) |
| 2025-03-04 | 3.5.154.123 (ClassC) |
| 2025-03-16 | 52.219.163.92 (ClassC) |
| 2025-04-28 | 52.219.137.24 (ClassC) |
| 2025-05-08 | 52.219.199.172 (ClassC) |
| 2025-08-24 | 52.219.172.60 (ClassC) |
| 2025-09-02 | 52.219.150.232 (ClassC) |
| 2025-09-21 | 3.5.154.45 (ClassC) |
| 2025-12-23 | 3.5.156.55 (ClassC) |
| 2026-01-26 | 3.5.159.232 (ClassC) |
| 2026-01-30 | 3.5.157.188 (ClassC) |
| 2026-02-05 | 52.219.1.122 (ClassC) |
| Date | Domain | IP |
| maeda.envi-sign.com | 2025-02-27 | 54.250.239.149 |
| kajima.envi-sign.com | 2025-02-27 | 54.250.239.149 |
| okumura.envi-sign.com | 2025-02-27 | 52.198.162.199 |
| static.envi-sign.com | 2023-11-16 | 52.219.172.68 |
| auth.envi-sign.com | 2025-02-26 | 3.115.65.166 |
| dev-taisei.envi-sign.com | 2025-02-27 | 18.176.70.130 |
| obayashi.envi-sign.com | 2025-02-27 | 54.250.239.149 |
| order.envi-sign.com | 2025-02-27 | 18.180.191.105 |
| customer.envi-sign.com | 2025-02-27 | 54.250.239.149 |
| reports.envi-sign.com | 2025-02-27 | 52.198.162.199 |
| order-dev.envi-sign.com | 2025-02-27 | 54.92.57.139 |