| Date | IP Address |
| 2023-05-05 | 13.231.24.236 (ClassC) |
| 2024-01-26 | 52.194.57.113 (ClassC) |
| 2024-04-20 | 18.180.2.198 (ClassC) |
| 2024-06-03 | 57.180.200.250 (ClassC) |
| 2024-07-12 | 54.92.121.234 (ClassC) |
| 2024-08-12 | 52.192.168.192 (ClassC) |
| 2024-11-13 | 52.69.109.135 (ClassC) |
| 2024-11-23 | 3.114.159.20 (ClassC) |
| 2024-11-24 | 52.69.55.217 (ClassC) |
| 2024-12-12 | 52.198.247.16 (ClassC) |
| 2024-12-28 | 57.181.63.144 (ClassC) |
| 2025-01-12 | 52.198.106.236 (ClassC) |
| 2025-02-03 | 54.178.49.221 (ClassC) |
| 2025-02-09 | 13.115.111.74 (ClassC) |
| 2025-04-30 | 13.230.25.175 (ClassC) |
| 2025-05-14 | 54.64.12.154 (ClassC) |
| 2025-06-30 | 54.64.173.87 (ClassC) |
| 2025-08-11 | 52.198.101.94 (ClassC) |
| 2025-09-08 | 57.180.149.95 (ClassC) |
| 2025-12-08 | 18.176.194.1 (ClassC) |
| Date | Domain | IP |
| dev01.tokyo-gas-knowledge-sharing.com | 2024-11-13 | 52.68.255.12 |
| auth.dev01.tokyo-gas-knowledge-sharing.com | 2024-09-04 | 18.161.6.11 |
| api.dev01.tokyo-gas-knowledge-sharing.com | 2024-06-26 | 99.84.66.107 |
| contents.dev01.tokyo-gas-knowledge-sharing.com | 2024-06-30 | 18.161.6.44 |
| stg.tokyo-gas-knowledge-sharing.com | 2024-06-03 | 52.192.213.166 |
| auth.stg.tokyo-gas-knowledge-sharing.com | 2025-01-03 | 52.84.162.33 |
| api.stg.tokyo-gas-knowledge-sharing.com | 2024-07-21 | 99.84.66.100 |
| api.tokyo-gas-knowledge-sharing.com | 2024-09-24 | 18.161.6.76 |
| auth.uat.tokyo-gas-knowledge-sharing.com | 2024-12-07 | 99.86.38.63 |
| api.uat.tokyo-gas-knowledge-sharing.com | 2025-10-28 | 3.169.173.126 |