| Date | IP Address |
| 2013-04-01 | 173.194.76.121 (ClassC) |
| 2013-04-11 | 74.125.137.121 (ClassC) |
| 2013-09-12 | 173.194.77.121 (ClassC) |
| 2014-02-07 | 74.125.198.121 (ClassC) |
| 2014-06-17 | 74.125.21.121 (ClassC) |
| 2014-07-17 | 64.233.183.121 (ClassC) |
| 2015-04-16 | 173.194.197.121 (ClassC) |
| 2015-04-28 | 173.194.193.121 (ClassC) |
| 2015-05-21 | 64.233.191.121 (ClassC) |
| 2016-02-16 | 64.233.178.121 (ClassC) |
| 2016-08-14 | 74.125.193.214 (ClassC) |
| 2017-09-18 | 172.217.19.243 (ClassC) |
| 2018-01-06 | 216.58.205.19 (ClassC) |
| 2025-06-12 | 13.248.169.48 (ClassC) |
| 2025-07-31 | 76.223.54.146 (ClassC) |
| Date | Domain | IP |
| calc.opensecurityresearch.com | 2025-05-15 | 76.223.54.146 |
| blog.opensecurityresearch.com | 2014-07-17 | 64.233.183.121 |
| www.opensecurityresearch.com | 2024-09-25 | 13.248.169.48 |