| Date | IP Address |
| 2024-11-03 | 52.217.136.121 (ClassC) |
| 2024-11-03 | 3.5.25.176 (ClassC) |
| 2024-11-03 | 52.216.8.171 (ClassC) |
| 2025-11-07 | 52.217.115.113 (ClassC) |
| 2025-11-17 | 16.15.181.216 (ClassC) |
| 2026-01-07 | 16.15.199.120 (ClassC) |
| Date | Domain | IP |
| costco.com.admin-mcas.s3.amazonaws.com | 2025-12-20 | 16.15.192.1 |
| dmz.costco.com.admin-mcas.s3.amazonaws.com | 2025-11-07 | 52.217.115.113 |
| marketing.criticalinformatics.com.admin-mcas.s3.amazonaws.com | 2024-09-17 | 52.216.217.73 |