| Date | IP Address |
| 2021-01-20 | 143.204.26.19 (ClassC) |
| 2021-01-20 | 143.204.26.56 (ClassC) |
| 2024-02-21 | 3.163.24.40 (ClassC) |
| 2024-12-01 | 3.163.24.15 (ClassC) |
| 2024-12-26 | 18.65.229.75 (ClassC) |
| Date | Domain | IP |
| e-reader-frontend.macmillanlearning.com | 2024-06-10 | 99.84.66.99 |
| live-he-score.macmillanlearning.com | 2024-06-15 | 54.221.213.23 |
| achieve.macmillanlearning.com | 2024-08-11 | 18.161.6.42 |
| services-live.macmillanlearning.com | 2024-06-15 | 3.237.52.180 |
| cw-services-live.macmillanlearning.com | 2024-07-03 | 18.210.50.141 |
| iam.macmillanlearning.com | 2024-12-23 | 54.163.124.137 |
| savi-cdn.macmillanlearning.com | 2024-06-26 | 18.161.6.72 |
| pathfinder.macmillanlearning.com | 2024-02-21 | 3.163.24.40 |
| credentials.macmillanlearning.com | 2024-12-14 | 15.197.167.90 |
| instructor-credentials.macmillanlearning.com | 2024-12-14 | 15.197.167.90 |
| student-credentials.macmillanlearning.com | 2024-09-07 | 54.67.4.46 |
| assessments.macmillanlearning.com | 2023-08-16 | 34.232.98.84 |
| www.macmillanlearning.com | 2024-12-12 | 3.82.166.182 |
| community.macmillanlearning.com | 2024-06-02 | 3.163.24.86 |