| Date | IP Address |
| 2021-07-02 | 54.237.114.76 (ClassC) |
| 2024-10-04 | 3.221.252.245 (ClassC) |
| 2024-10-17 | 34.232.140.214 (ClassC) |
| 2024-11-05 | 54.161.117.154 (ClassC) |
| 2024-11-25 | 3.224.157.140 (ClassC) |
| 2024-12-30 | 44.218.77.179 (ClassC) |
| 2025-05-04 | 13.216.200.110 (ClassC) |
| 2025-08-10 | 44.208.13.135 (ClassC) |
| 2025-09-01 | 44.220.215.191 (ClassC) |
| 2025-09-19 | 50.16.12.59 (ClassC) |
| 2025-12-27 | 52.72.71.122 (ClassC) |
| 2026-01-16 | 18.211.82.105 (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 |