| Date | IP Address |
| 2025-06-04 | 35.244.202.252 (ClassC) |
| Date | Domain | IP |
| media.costco.co.jp | 2023-08-26 | 104.100.76.236 |
| build.costco.co.jp | 2025-05-02 | 104.198.118.165 |
| image-store.costco.co.jp | 2025-05-07 | 130.211.171.249 |
| link.costco.co.jp | 2025-05-15 | 217.175.192.66 |
| origin.costco.co.jp | 2025-01-04 | 35.244.182.159 |
| preprod2-sip.costco.co.jp | 2023-08-25 | 23.196.192.202 |
| media-preprod2-sip.costco.co.jp | 2023-08-25 | 23.196.192.202 |
| origin-preprod2-sip.costco.co.jp | 2025-05-09 | 35.190.83.89 |
| bo-preprod2-sip.costco.co.jp | 2025-06-04 | 35.244.202.252 |
| content-preprod2-sip.costco.co.jp | 2025-04-23 | 34.98.103.188 |
| prod-sip.costco.co.jp | 2023-08-26 | 104.100.76.236 |
| preprod-sip.costco.co.jp | 2023-08-25 | 23.196.192.202 |
| media-preprod-sip.costco.co.jp | 2023-08-25 | 23.74.145.45 |
| origin-preprod-sip.costco.co.jp | 2025-05-09 | 35.244.199.235 |
| bo-preprod-sip.costco.co.jp | 2025-05-06 | 35.227.253.173 |
| content-preprod-sip.costco.co.jp | 2025-05-30 | 35.244.226.130 |
| perf-sip.costco.co.jp | 2023-08-25 | 23.196.192.202 |
| media-perf-sip.costco.co.jp | 2023-08-25 | 23.196.192.202 |
| recruit.costco.co.jp | 2025-04-24 | 199.36.158.100 |
| content.costco.co.jp | 2025-04-22 | 35.244.233.175 |
| rakuraku-inv.costco.co.jp | 2025-04-23 | 133.186.35.87 |
| www.costco.co.jp | 2023-08-26 | 104.100.76.236 |
| impex.costco.co.jp | 2025-03-04 | 35.190.233.125 |