| Date | IP Address |
| 2016-03-01 | 107.23.42.50 (ClassC) |
| 2016-03-03 | 52.0.96.24 (ClassC) |
| 2016-03-03 | 52.71.117.99 (ClassC) |
| 2016-10-13 | 107.23.198.240 (ClassC) |
| 2018-06-04 | 54.208.174.161 (ClassC) |
| 2018-06-04 | 52.72.89.116 (ClassC) |
| 2019-02-14 | 23.20.239.12 (ClassC) |
| 2022-02-17 | 44.202.147.38 (ClassC) |
| 2022-08-10 | 104.21.21.112 (ClassC) |
| 2022-08-10 | 172.67.198.74 (ClassC) |
| 2024-10-06 | 76.76.21.21 (ClassC) |
| 2024-10-14 | 104.21.30.16 (ClassC) |
| 2024-10-25 | 172.67.150.52 (ClassC) |
| 2025-03-10 | 104.26.14.178 (ClassC) |
| 2025-06-26 | 104.26.15.178 (ClassC) |
| 2025-08-25 | 172.67.74.183 (ClassC) |
| Date | Domain | IP |
| customer-io-email.lisafoundation.com | 2025-06-01 | 35.244.218.227 |