| Date | IP Address |
| 2021-01-20 | 66.150.161.140 (ClassC) |
| 2024-10-03 | 69.25.27.170 (ClassC) |
| 2025-04-25 | 63.251.171.80 (ClassC) |
| 2025-05-06 | 66.150.161.141 (ClassC) |
| Date | Domain | IP |
| barracuda.bobuk.com | 2024-12-29 | 66.96.161.142 |
| antispam.bobuk.com | 2024-10-03 | 69.25.27.170 |
| authsmtp.bobuk.com | 2024-08-19 | 63.251.171.80 |
| www.bobuk.com | 2014-12-22 | 69.25.27.173 |