| Date | IP Address |
| 2024-03-10 | 18.233.236.207 (ClassC) |
| 2024-06-09 | 35.172.237.38 (ClassC) |
| 2024-08-21 | 34.230.203.108 (ClassC) |
| 2024-10-23 | 54.208.51.157 (ClassC) |
| 2024-11-25 | 54.164.120.51 (ClassC) |
| 2025-02-03 | 34.206.207.177 (ClassC) |
| 2025-02-06 | 3.218.177.49 (ClassC) |
| 2025-05-16 | 52.6.96.241 (ClassC) |
| 2025-06-19 | 34.239.66.26 (ClassC) |
| 2025-07-01 | 18.209.118.170 (ClassC) |
| 2025-11-03 | 107.22.82.144 (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 |