| Date | IP Address |
| 2025-12-01 | 156.145.14.199 (ClassC) |
| Date | Domain | IP |
| bc-dns20.cpmc.columbia.edu | 2024-10-03 | 156.111.70.150 |
| athens-public-ph1-ctrl1.cpmc.columbia.edu | 2025-11-30 | 156.111.111.151 |
| mail.icg.cpmc.columbia.edu | 2025-12-01 | 156.145.14.199 |
| alipes.cpmc.columbia.edu | 2025-04-28 | 156.111.172.16 |
| psychophysiology.cpmc.columbia.edu | 2025-04-15 | 23.21.196.150 |