| Date | IP Address |
| 2025-05-11 | 167.164.4.237 (ClassC) |
| 2026-01-21 | 157.154.4.237 (ClassC) |
| Date | Domain | IP |
| ns1.hmhs.com | 2025-11-06 | 162.159.0.248 |
| apiweb.hmhs.com | 2025-04-30 | 157.154.4.137 |
| static.hmhs.com | 2025-07-01 | 167.164.4.54 |
| oauth.hmhs.com | 2025-06-18 | 157.154.4.230 |
| api.hmhs.com | 2025-09-06 | 167.164.4.179 |
| secureredirect.hmhs.com | 2025-05-13 | 167.164.4.100 |
| www.hmhs.com | 2025-01-11 | 157.154.4.30 |