| Date | IP Address |
| 2014-01-08 | 157.238.74.57 (ClassC) |
| 2014-06-24 | 67.131.38.16 (ClassC) |
| 2014-07-07 | 63.216.54.185 (ClassC) |
| 2014-10-08 | 107.14.32.26 (ClassC) |
| 2014-11-07 | 207.152.124.73 (ClassC) |
| 2014-11-12 | 207.152.124.50 (ClassC) |
| 2014-11-19 | 205.234.225.155 (ClassC) |
| 2015-02-24 | 107.14.32.40 (ClassC) |
| 2016-04-06 | 23.2.16.42 (ClassC) |
| 2016-11-21 | 72.246.40.17 (ClassC) |
| 2024-09-29 | 104.16.78.72 (ClassC) |
| 2024-11-25 | 104.16.77.72 (ClassC) |
| 2024-12-25 | 104.18.11.139 (ClassC) |
| Date | Domain | IP |
| bc.ef.com.co | 2021-11-15 | 99.84.64.56 |
| www.ef.com.co | 2014-10-08 | 107.14.32.26 |