| Date | IP Address |
| 2015-09-09 | 208.73.211.178 (ClassC) |
| 2016-12-08 | 208.73.210.214 (ClassC) |
| 2017-05-19 | 208.73.211.165 (ClassC) |
| 2017-05-19 | 208.73.210.202 (ClassC) |
| 2024-09-01 | 3.64.163.50 (ClassC) |
| 2024-09-24 | 13.248.252.114 (ClassC) |
| 2024-11-06 | 76.223.54.146 (ClassC) |
| 2025-04-22 | 13.248.169.48 (ClassC) |
| Date | Domain | IP |
| www.123stamps.com | 2024-09-24 | 13.248.252.114 |