| Date | IP Address |
| 2024-05-27 | 52.72.121.41 (ClassC) |
| 2024-09-12 | 34.194.128.119 (ClassC) |
| 2024-11-16 | 52.7.162.171 (ClassC) |
| 2024-12-22 | 54.227.225.45 (ClassC) |
| 2024-12-29 | 3.225.150.6 (ClassC) |
| 2025-03-01 | 54.175.229.28 (ClassC) |
| 2025-07-03 | 54.146.78.15 (ClassC) |
| 2025-07-25 | 44.199.149.16 (ClassC) |
| 2025-08-27 | 54.86.84.66 (ClassC) |
| 2025-09-01 | 174.129.217.177 (ClassC) |
| 2025-09-22 | 52.44.238.113 (ClassC) |
| 2025-11-22 | 54.208.34.18 (ClassC) |
| Date | Domain | IP |
| paypal-orig.invoicesimple.com | 2021-07-30 | 107.23.196.66 |
| paypal.staging.invoicesimple.com | 2024-05-27 | 52.72.121.41 |
| app.staging.invoicesimple.com | 2025-09-14 | 44.193.38.57 |
| paypal.invoicesimple.com | 2024-12-25 | 3.165.160.115 |
| cdn.invoicesimple.com | 2024-05-07 | 18.161.6.102 |
| app.invoicesimple.com | 2025-07-25 | 44.207.183.110 |
| www.careers.invoicesimple.com | 2025-09-01 | 34.149.195.199 |
| checkout.invoicesimple.com | 2024-12-23 | 52.87.10.196 |
| www.invoicesimple.com | 2025-09-01 | 172.67.134.138 |