| Date | IP Address |
| 2020-03-16 | 143.204.35.106 (ClassC) |
| 2020-10-07 | 52.85.224.43 (ClassC) |
| 2020-10-07 | 52.85.224.59 (ClassC) |
| 2020-11-17 | 143.204.217.33 (ClassC) |
| 2020-11-23 | 143.204.217.110 (ClassC) |
| 2020-12-01 | 143.204.226.48 (ClassC) |
| 2020-12-21 | 52.84.145.36 (ClassC) |
| 2021-04-12 | 54.192.100.60 (ClassC) |
| 2022-01-31 | 54.192.121.106 (ClassC) |
| 2022-01-31 | 54.192.121.44 (ClassC) |
| 2025-01-15 | 3.168.86.75 (ClassC) |
| 2025-03-08 | 18.238.217.112 (ClassC) |
| 2025-03-23 | 18.161.6.122 (ClassC) |
| 2025-04-24 | 18.161.6.123 (ClassC) |
| 2025-05-30 | 18.161.6.15 (ClassC) |
| 2025-06-09 | 99.84.66.13 (ClassC) |
| 2025-07-09 | 18.238.217.125 (ClassC) |
| 2025-08-08 | 18.161.6.26 (ClassC) |
| Date | Domain | IP |
| api.immowelt.com | 2023-08-04 | 18.193.87.35 |
| dev-api.immowelt.com | 2024-06-11 | 3.126.226.111 |
| content.cdn.immowelt.com | 2025-01-15 | 3.168.86.75 |
| dev.content.cdn.immowelt.com | 2025-07-01 | 18.161.6.128 |
| www.immowelt.com | 2025-04-28 | 212.34.186.173 |