| Date | IP Address |
| 2025-04-10 | 3.170.152.85 (ClassC) |
| 2025-07-29 | 18.160.102.49 (ClassC) |
| 2026-01-21 | 3.169.173.126 (ClassC) |
| Date | Domain | IP |
| eu-central-1.grand-challenge.org | 2024-11-24 | 3.72.181.48 |
| drac22.grand-challenge.org | 2025-09-07 | 99.84.66.40 |
| aggc22.grand-challenge.org | 2025-12-16 | 3.169.173.80 |
| mitos-atypia-14.grand-challenge.org | 2025-10-22 | 3.169.173.80 |
| workshop2024.grand-challenge.org | 2025-12-24 | 3.169.173.80 |
| dehazingecho2025.grand-challenge.org | 2026-01-17 | 3.169.173.17 |
| kits19.grand-challenge.org | 2025-10-07 | 3.169.173.96 |
| panda.grand-challenge.org | 2025-09-18 | 99.84.66.35 |
| crossmoda.grand-challenge.org | 2025-06-02 | 99.84.66.88 |
| bcnb.grand-challenge.org | 2025-07-08 | 99.84.66.88 |
| idrid.grand-challenge.org | 2025-09-30 | 3.169.173.80 |
| leopard.grand-challenge.org | 2025-10-29 | 3.169.173.17 |
| flare.grand-challenge.org | 2025-10-16 | 3.169.173.126 |
| drive.grand-challenge.org | 2025-09-18 | 99.84.66.69 |
| pi-cai.grand-challenge.org | 2025-11-22 | 3.169.173.80 |
| covid-segmentation.grand-challenge.org | 2025-09-18 | 99.84.66.40 |
| bcsegmentation.grand-challenge.org | 2026-01-21 | 3.169.173.126 |
| nucls.grand-challenge.org | 2025-11-13 | 3.169.173.80 |
| www.grand-challenge.org | 2024-11-25 | 54.171.99.237 |