| Date | IP Address |
| 2018-11-05 | 72.52.178.196 (ClassC) |
| 2026-01-28 | 72.52.178.138 (ClassC) |
| Date | Domain | IP |
| dc.thobson.com | 2026-01-28 | 72.52.178.138 |
| portal.thobson.com | 2025-09-24 | 72.52.178.138 |
| webdisk.portal.thobson.com | 2025-09-12 | 72.52.178.138 |
| cpcalendars.portal.thobson.com | 2025-07-21 | 72.52.178.138 |
| projects.thobson.com | 2018-08-21 | 72.52.178.67 |
| portaldev.thobson.com | 2025-10-17 | 72.52.178.138 |
| www.thobson.com | 2025-06-23 | 72.52.178.138 |