| Date | IP Address |
| 2018-09-11 | 54.201.195.187 (ClassC) |
| 2021-01-30 | 52.43.12.5 (ClassC) |
| 2025-04-11 | 35.83.53.242 (ClassC) |
| 2025-08-18 | 54.184.219.69 (ClassC) |
| 2025-08-23 | 54.213.156.47 (ClassC) |
| 2025-09-04 | 54.187.172.39 (ClassC) |
| 2025-11-21 | 44.239.144.233 (ClassC) |
| 2025-11-28 | 54.213.148.69 (ClassC) |
| 2025-12-25 | 35.166.232.231 (ClassC) |
| 2026-01-04 | 44.230.20.163 (ClassC) |
| Date | Domain | IP |
| gamma.login.yahoo.com | 2025-12-26 | 98.136.103.21 |
| beta.login.yahoo.com | 2025-08-01 | 98.136.103.21 |
| guce.login.yahoo.com | 2024-02-06 | 44.230.117.164 |
| stage.guce.login.yahoo.com | 2024-10-04 | 52.40.155.5 |
| trunk.guce.login.yahoo.com | 2025-04-11 | 35.83.53.242 |
| mobile.login.yahoo.com | 2025-08-05 | 74.6.160.138 |
| credstore.login.yahoo.com | 2025-12-26 | 98.136.147.15 |
| api.login.yahoo.com | 2025-12-26 | 74.6.160.138 |
| gamma.api.login.yahoo.com | 2025-12-04 | 98.136.103.21 |
| beta.api.login.yahoo.com | 2025-12-26 | 98.136.103.21 |
| canary.api.login.yahoo.com | 2026-01-01 | 98.136.144.161 |
| jsapi.login.yahoo.com | 2015-03-12 | 98.139.21.169 |
| myaccount.login.yahoo.com | 2025-08-10 | 74.6.160.138 |