| Date | IP Address |
| 2021-04-06 | 3.215.9.26 (ClassC) |
| 2023-10-07 | 44.218.142.209 (ClassC) |
| 2024-06-25 | 35.168.43.243 (ClassC) |
| 2024-09-13 | 3.233.197.95 (ClassC) |
| 2024-10-06 | 54.89.169.120 (ClassC) |
| 2024-11-13 | 52.6.242.82 (ClassC) |
| 2025-01-09 | 54.160.120.117 (ClassC) |
| 2025-05-08 | 52.207.42.84 (ClassC) |
| 2025-06-30 | 18.213.82.100 (ClassC) |
| 2025-08-23 | 52.206.90.146 (ClassC) |
| 2025-09-01 | 18.213.121.198 (ClassC) |
| 2025-12-26 | 3.219.128.100 (ClassC) |
| 2026-01-08 | 54.145.227.229 (ClassC) |
| 2026-01-11 | 18.209.194.180 (ClassC) |
| 2026-02-15 | 3.221.166.192 (ClassC) |
| Date | Domain | IP |
| author-qa.joincambridge.com | 2024-11-13 | 3.230.219.229 |
| stage.joincambridge.com | 2024-06-25 | 35.168.43.243 |
| author-stage.joincambridge.com | 2024-06-25 | 35.168.43.243 |
| author.joincambridge.com | 2024-11-25 | 54.164.138.109 |
| careers.joincambridge.com | 2025-10-16 | 3.208.98.180 |
| author-dev.joincambridge.com | 2024-11-13 | 44.199.123.150 |
| www.joincambridge.com | 2024-05-25 | 54.225.220.170 |