| Date | IP Address |
| 2014-09-25 | 108.168.255.200 (ClassC) |
| 2014-10-04 | 108.168.254.38 (ClassC) |
| 2014-11-21 | 108.168.255.201 (ClassC) |
| 2014-12-20 | 108.168.254.139 (ClassC) |
| 2019-09-18 | 35.174.151.106 (ClassC) |
| 2019-09-19 | 52.21.178.134 (ClassC) |
| 2019-09-27 | 35.174.78.146 (ClassC) |
| 2025-04-26 | 52.54.96.194 (ClassC) |
| 2025-06-08 | 18.208.125.13 (ClassC) |
| 2025-07-29 | 34.237.219.119 (ClassC) |
| 2026-02-24 | 3.92.120.28 (ClassC) |
| Date | Domain | IP |
| dns2.oclc.org | 2025-09-01 | 132.174.15.39 |
| image.e.oclc.org | 2024-09-19 | 104.98.114.187 |
| click.e.oclc.org | 2014-09-29 | 68.232.203.70 |
| view.e.oclc.org | 2025-10-18 | 13.111.218.172 |
| help-de.oclc.org | 2024-08-28 | 34.203.134.16 |
| help-nl.wise.oclc.org | 2025-04-19 | 18.161.6.13 |
| community-staging.oclc.org | 2025-05-05 | 3.163.24.36 |
| developer.api.oclc.org | 2024-09-17 | 18.161.6.65 |
| help-nl.oclc.org | 2024-07-08 | 3.221.11.107 |
| kb.idm.oclc.org | 2024-11-24 | 18.193.13.23 |
| manchester.idm.oclc.org | 2025-09-01 | 154.59.124.59 |
| uts.idm.oclc.org | 2026-02-20 | 52.63.145.24 |
| help.oclc.org | 2025-01-29 | 3.163.165.70 |
| metrics.oclc.org | 2014-11-08 | 66.235.139.110 |
| help-es.oclc.org | 2024-08-13 | 44.195.65.215 |
| connect.oclc.org | 2014-10-04 | 108.168.254.38 |
| help-it.oclc.org | 2025-02-09 | 52.22.162.233 |
| www.oclc.org | 2025-02-02 | 132.174.0.132 |
| community.oclc.org | 2024-11-24 | 3.163.24.75 |