| Date | IP Address |
| 2023-08-26 | 50.16.203.151 (ClassC) |
| 2024-10-01 | 3.213.57.82 (ClassC) |
| 2024-12-09 | 44.217.231.91 (ClassC) |
| 2025-01-25 | 34.200.158.23 (ClassC) |
| 2025-02-26 | 50.17.159.120 (ClassC) |
| 2025-03-09 | 52.7.226.184 (ClassC) |
| 2025-03-16 | 54.225.148.6 (ClassC) |
| 2025-04-05 | 52.7.131.44 (ClassC) |
| 2025-07-01 | 54.164.253.201 (ClassC) |
| 2025-07-21 | 34.198.230.7 (ClassC) |
| 2025-08-19 | 52.203.68.144 (ClassC) |
| 2025-09-11 | 54.162.31.45 (ClassC) |
| 2026-01-27 | 35.153.252.23 (ClassC) |
| 2026-02-28 | 18.214.227.210 (ClassC) |
| Date | Domain | IP |
| online.sothebysinstitute.com | 2024-09-04 | 204.246.191.19 |
| mail.sothebysinstitute.com | 2025-02-27 | 52.96.166.66 |
| www.sothebysinstitute.com | 2024-12-30 | 44.217.231.91 |
| search.serialssolutions.com.ezproxy.sothebysinstitute.com | 2025-09-11 | 132.174.251.11 |
| scholar.serialssolutions.com.ezproxy.sothebysinstitute.com | 2025-10-21 | 132.174.251.11 |
| bvwkdweb.b.ebscohost.com.ezproxy.sothebysinstitute.com | 2025-09-20 | 132.174.251.11 |
| atkkwsearch.ebscohost.com.ezproxy.sothebysinstitute.com | 2025-09-14 | 132.174.251.11 |