| Date | IP Address |
| 2023-08-04 | 172.66.41.24 (ClassC) |
| 2025-02-07 | 172.66.43.162 (ClassC) |
| 2025-04-28 | 172.66.40.94 (ClassC) |
| 2025-11-28 | 104.18.6.144 (ClassC) |
| 2026-02-18 | 104.18.7.144 (ClassC) |
| Date | Domain | IP |
| marketing-site.skiff.com | 2025-06-04 | 172.66.43.162 |
| api.skiff.com | 2023-08-16 | 172.66.42.232 |
| mail.skiff.com | 2025-02-07 | 172.66.43.162 |
| app.skiff.com | 2023-08-16 | 172.66.42.232 |
| skeditor-server-app.skiff.com | 2025-05-08 | 172.66.43.162 |
| cspreports.skiff.com | 2025-01-29 | 172.66.43.162 |
| www.skiff.com | 2024-04-21 | 172.66.42.232 |
| openpgpkey.skiff.com | 2025-04-30 | 172.66.40.94 |
| resource-proxy.skiff.com | 2023-09-29 | 172.66.41.24 |
| relay-proxy.skiff.com | 2025-01-29 | 172.66.40.94 |