| Date | IP Address |
| 2022-10-27 | 108.156.224.124 (ClassC) |
| 2024-07-18 | 18.164.96.118 (ClassC) |
| 2024-10-20 | 18.172.170.16 (ClassC) |
| 2024-11-18 | 18.172.170.123 (ClassC) |
| 2025-01-19 | 18.161.6.20 (ClassC) |
| 2025-02-25 | 18.172.170.27 (ClassC) |
| 2025-05-10 | 18.161.6.14 (ClassC) |
| 2025-07-11 | 18.161.6.11 (ClassC) |
| 2025-07-31 | 18.161.6.126 (ClassC) |
| 2025-12-01 | 3.169.173.86 (ClassC) |
| 2025-12-08 | 3.169.173.10 (ClassC) |
| 2026-02-04 | 3.169.173.92 (ClassC) |
| 2026-02-09 | 3.169.173.4 (ClassC) |
| Date | Domain | IP |
| auth0.securebusiness.natwest.com | 2025-12-01 | 155.136.202.21 |
| sa.pca.securebusiness.natwest.com | 2024-10-20 | 18.172.170.16 |
| api.pca.securebusiness.natwest.com | 2025-05-28 | 3.163.158.112 |
| coreui.pca.securebusiness.natwest.com | 2025-04-18 | 99.84.66.44 |
| bankline.securebusiness.natwest.com | 2025-09-19 | 155.136.200.21 |
| api.bankline.securebusiness.natwest.com | 2025-09-20 | 155.136.202.21 |