| Date | IP Address |
| 2024-10-11 | 52.42.159.194 (ClassC) |
| 2025-01-11 | 52.33.121.124 (ClassC) |
| 2025-02-11 | 52.33.136.217 (ClassC) |
| 2025-02-26 | 34.209.222.24 (ClassC) |
| 2025-07-04 | 35.161.196.99 (ClassC) |
| 2025-11-22 | 54.148.162.59 (ClassC) |
| Date | Domain | IP |
| api.us-east-1.hightouch.com | 2024-06-09 | 35.172.237.38 |
| api.eu-west-1.hightouch.com | 2024-11-25 | 34.254.84.82 |
| personalization.us-west-2.hightouch.com | 2024-10-11 | 52.42.159.194 |
| api.hightouch.com | 2024-06-09 | 100.24.200.186 |
| api.us-east-1.production.hightouch.com | 2025-06-28 | 18.209.118.170 |
| api.gcp-europe-west1.production.hightouch.com | 2025-10-21 | 35.210.85.191 |
| api.gcp-us-east4.production.hightouch.com | 2025-08-28 | 35.212.108.168 |
| resources.hightouch.com | 2025-05-22 | 199.60.103.30 |
| www.hightouch.com | 2025-09-10 | 76.76.21.21 |