| Date | IP Address |
| 2015-09-23 | 184.86.240.179 (ClassC) |
| 2016-04-27 | 128.177.96.64 (ClassC) |
| 2016-05-14 | 23.218.156.58 (ClassC) |
| 2016-06-17 | 23.218.156.73 (ClassC) |
| 2016-09-10 | 23.215.104.96 (ClassC) |
| 2017-05-04 | 23.63.226.105 (ClassC) |
| 2021-08-25 | 104.119.189.26 (ClassC) |
| 2021-08-25 | 104.119.189.82 (ClassC) |
| 2024-09-19 | 104.98.114.187 (ClassC) |
| 2025-04-24 | 23.55.167.9 (ClassC) |
| 2025-05-03 | 23.213.34.84 (ClassC) |
| 2025-07-15 | 23.55.167.26 (ClassC) |
| 2025-09-10 | 23.192.230.141 (ClassC) |
| 2025-10-17 | 23.192.230.151 (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 | 2025-07-15 | 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 | 2025-09-11 | 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 |