| Date | IP Address |
| 2021-02-14 | 108.177.127.138 (ClassC) |
| 2021-02-14 | 108.177.127.139 (ClassC) |
| 2026-02-13 | 142.250.191.14 (ClassC) |
| Date | Domain | IP |
| alt10670.sparrowmailapp.com | 2025-11-05 | 142.250.191.14 |
| alt105712.sparrowmailapp.com | 2024-09-02 | 172.217.28.238 |
| alt103314.sparrowmailapp.com | 2024-09-19 | 172.217.28.238 |
| alt24.sparrowmailapp.com | 2025-02-14 | 172.217.172.78 |
| alt10675.sparrowmailapp.com | 2024-09-13 | 172.217.28.238 |
| alt485.sparrowmailapp.com | 2026-02-07 | 142.250.191.14 |
| alt10676.sparrowmailapp.com | 2024-09-02 | 172.217.28.238 |
| alt10677.sparrowmailapp.com | 2026-02-13 | 142.250.191.14 |
| alt4498.sparrowmailapp.com | 2026-01-19 | 142.250.69.142 |
| alt19.sparrowmailapp.com | 2024-03-10 | 172.217.1.14 |
| alt449.sparrowmailapp.com | 2024-07-25 | 142.251.128.142 |