| Date | IP Address |
| 2022-03-31 | 23.21.126.7 (ClassC) |
| 2024-02-05 | 34.233.201.35 (ClassC) |
| 2024-04-15 | 18.210.53.14 (ClassC) |
| 2024-05-13 | 3.216.21.255 (ClassC) |
| 2024-05-24 | 52.202.19.28 (ClassC) |
| 2024-08-17 | 67.202.62.37 (ClassC) |
| 2024-08-22 | 23.20.116.100 (ClassC) |
| 2024-08-27 | 34.224.151.63 (ClassC) |
| 2024-09-10 | 3.225.255.86 (ClassC) |
| 2024-10-20 | 54.83.227.126 (ClassC) |
| 2024-12-10 | 54.87.91.55 (ClassC) |
| 2025-05-04 | 18.215.10.128 (ClassC) |
| 2025-06-08 | 23.23.8.248 (ClassC) |
| 2025-06-25 | 35.168.24.119 (ClassC) |
| 2025-07-02 | 52.44.12.219 (ClassC) |
| 2025-07-18 | 44.196.244.161 (ClassC) |
| 2025-07-29 | 3.212.229.105 (ClassC) |
| 2025-08-01 | 52.7.162.131 (ClassC) |
| 2025-08-26 | 54.85.250.235 (ClassC) |
| 2025-11-11 | 54.87.167.44 (ClassC) |
| 2026-02-07 | 54.226.175.71 (ClassC) |
| Date | Domain | IP |
| influence.marshmclennan.com | 2025-12-17 | 161.129.72.21 |
| memorial.marshmclennan.com | 2025-05-04 | 204.246.191.12 |
| careers.marshmclennan.com | 2024-04-15 | 18.210.53.14 |
| irnews.marshmclennan.com | 2024-11-24 | 50.18.185.118 |
| www.marshmclennan.com | 2023-11-01 | 3.163.24.9 |
| qa.www.marshmclennan.com | 2024-11-24 | 54.176.58.25 |
| stage.www.marshmclennan.com | 2024-12-30 | 99.84.66.51 |
| proxy.marshmclennan.com | 2024-11-24 | 13.56.86.191 |