| Date | IP Address |
| 2019-11-04 | 81.177.139.184 (ClassC) |
| 2026-02-23 | 81.177.6.147 (ClassC) |
| Date | Domain | IP |
| smtp1.npoes.ru | 2025-08-19 | 81.177.139.184 |
| posta.npoes.ru | 2025-11-04 | 81.177.139.184 |
| mailgate.npoes.ru | 2025-09-03 | 81.177.139.184 |
| remote.npoes.ru | 2025-06-29 | 81.177.139.184 |
| email.npoes.ru | 2025-09-24 | 81.177.139.184 |
| vmail.npoes.ru | 2025-07-11 | 81.177.139.184 |
| m.npoes.ru | 2026-02-09 | 81.177.6.147 |
| spam.npoes.ru | 2026-02-09 | 81.177.6.147 |
| mailin.npoes.ru | 2026-02-13 | 81.177.6.147 |
| pop.npoes.ru | 2026-02-14 | 81.177.6.147 |
| smtps.npoes.ru | 2025-08-19 | 81.177.139.184 |
| host.npoes.ru | 2025-08-02 | 81.177.139.184 |
| mailgw.npoes.ru | 2025-07-02 | 81.177.139.184 |
| www.npoes.ru | 2026-02-23 | 81.177.6.147 |
| mailx.npoes.ru | 2026-02-10 | 81.177.6.147 |
| mx.npoes.ru | 2025-09-23 | 81.177.139.184 |
| relay.npoes.ru | 2025-07-03 | 81.177.139.184 |