| Date | IP Address |
| 2019-12-02 | 99.84.167.54 (ClassC) |
| 2019-12-02 | 99.84.167.75 (ClassC) |
| 2019-12-02 | 99.84.167.128 (ClassC) |
| 2019-12-03 | 99.86.58.45 (ClassC) |
| 2019-12-03 | 99.86.58.6 (ClassC) |
| 2019-12-03 | 99.86.58.104 (ClassC) |
| 2020-11-04 | 52.85.224.108 (ClassC) |
| 2020-11-04 | 52.85.224.113 (ClassC) |
| 2020-11-04 | 52.85.224.26 (ClassC) |
| 2020-11-04 | 52.85.224.91 (ClassC) |
| 2021-12-06 | 99.84.250.42 (ClassC) |
| 2024-02-29 | 18.244.214.82 (ClassC) |
| 2024-06-14 | 204.246.191.98 (ClassC) |
| 2024-08-21 | 18.161.6.49 (ClassC) |
| 2025-01-14 | 3.165.160.112 (ClassC) |
| 2025-03-18 | 18.238.217.13 (ClassC) |
| 2025-04-10 | 204.246.191.20 (ClassC) |
| 2025-07-13 | 204.246.191.86 (ClassC) |
| 2025-09-02 | 18.161.6.76 (ClassC) |
| 2025-09-19 | 204.246.191.26 (ClassC) |
| Date | Domain | IP |
| artifact.eventdata.crossref.org | 2024-02-29 | 18.244.214.82 |
| www.eventdata.crossref.org | 2024-09-21 | 3.163.24.9 |
| crossmark.crossref.org | 2025-09-02 | 208.254.38.81 |
| crossmark-cdn.crossref.org | 2019-05-15 | 13.33.147.32 |