| Date | IP Address |
| 2026-02-23 | 54.254.203.141 (ClassC) |
| Date | Domain | IP |
| mail.semmatic.com | 2025-08-01 | 54.254.203.141 |
| webmail.semmatic.com | 2026-02-23 | 54.254.203.141 |
| imap.semmatic.com | 2026-02-23 | 54.254.203.141 |
| pop.semmatic.com | 2025-09-12 | 54.254.203.141 |
| smtp.semmatic.com | 2026-02-21 | 54.254.203.141 |