| Date | IP Address |
| 2019-06-24 | 52.22.4.134 (ClassC) |
| 2025-05-25 | 52.23.69.48 (ClassC) |
| 2025-06-27 | 18.235.63.100 (ClassC) |
| Date | Domain | IP |
| client-eventing-staging01.cengage.info | 2021-07-28 | 204.246.191.82 |
| analytics-client-eventing-staging01.cengage.info | 2025-05-09 | 204.246.191.82 |
| cap-engagement-events-staging01.cengage.info | 2025-03-04 | 3.163.189.101 |
| analytics-manualgrading-production01.cengage.info | 2024-12-10 | 18.238.217.100 |
| client-eventing-production01.cengage.info | 2022-02-08 | 108.156.107.124 |
| wa-client-eventing-production01.cengage.info | 2022-02-10 | 54.192.73.52 |
| analytics-client-eventing-production01.cengage.info | 2022-02-08 | 108.156.120.100 |
| cap-ui-cdn-production01.cengage.info | 2024-01-21 | 3.163.189.125 |
| cap-engagement-events-production01.cengage.info | 2022-02-08 | 108.156.107.17 |
| analytics-portalapi-ws-production01.cengage.info | 2024-06-09 | 35.170.240.64 |
| cxp-cdn.cengage.info | 2024-08-10 | 184.29.71.189 |
| hapi-int.cengage.info | 2025-05-25 | 52.23.69.48 |