| Date | IP Address |
| 2021-06-17 | 34.237.44.165 (ClassC) |
| 2024-09-10 | 3.23.200.0 (ClassC) |
| 2024-10-04 | 3.142.165.193 (ClassC) |
| 2024-11-24 | 3.139.139.96 (ClassC) |
| 2024-12-10 | 3.16.95.131 (ClassC) |
| 2024-12-26 | 18.216.165.147 (ClassC) |
| 2025-03-16 | 3.140.99.155 (ClassC) |
| 2025-04-28 | 3.141.89.148 (ClassC) |
| 2025-05-26 | 3.132.6.7 (ClassC) |
| 2025-09-01 | 3.12.88.40 (ClassC) |
| 2026-01-15 | 3.147.92.98 (ClassC) |
| Date | Domain | IP |
| qa.checkout.yahoo.com | 2025-02-21 | 74.6.160.107 |
| oidc.checkout.yahoo.com | 2025-05-24 | 74.6.160.138 |
| stage.checkout.yahoo.com | 2024-12-26 | 74.6.160.106 |
| qa.origin.checkout.yahoo.com | 2024-09-10 | 3.23.200.0 |
| prod.origin.checkout.yahoo.com | 2024-11-25 | 34.193.60.120 |
| oidc.prod.origin.checkout.yahoo.com | 2025-12-27 | 74.6.160.138 |
| stage.origin.checkout.yahoo.com | 2024-10-04 | 34.199.116.11 |
| dev.origin.checkout.yahoo.com | 2024-10-04 | 3.221.252.245 |
| dev.checkout.yahoo.com | 2024-11-05 | 98.138.71.139 |