| Date | IP Address |
| 2020-12-15 | 91.228.197.140 (ClassC) |
| 2025-11-13 | 77.55.253.85 (ClassC) |
| Date | Domain | IP |
| mail1.swan.net.pl | 2025-09-20 | 77.55.253.85 |
| www1.swan.net.pl | 2025-07-11 | 77.55.253.85 |
| mx1.swan.net.pl | 2025-09-23 | 77.55.253.85 |
| imap2.swan.net.pl | 2025-10-15 | 77.55.253.85 |
| mx2.swan.net.pl | 2025-09-17 | 77.55.253.85 |
| pop3.swan.net.pl | 2025-09-11 | 77.55.253.85 |
| secure.swan.net.pl | 2025-08-24 | 77.55.253.85 |
| mailgate.swan.net.pl | 2025-09-11 | 77.55.253.85 |
| auth.swan.net.pl | 2025-09-22 | 77.55.253.85 |
| smtpauth.swan.net.pl | 2025-11-04 | 77.55.253.85 |
| spam.swan.net.pl | 2025-11-13 | 77.55.253.85 |
| mailin.swan.net.pl | 2025-10-31 | 77.55.253.85 |
| pop.swan.net.pl | 2025-10-10 | 77.55.253.85 |
| authsmtp.swan.net.pl | 2025-11-13 | 77.55.253.85 |
| mailserver.swan.net.pl | 2025-09-14 | 77.55.253.85 |
| mailgw.swan.net.pl | 2025-09-11 | 77.55.253.85 |