| Date | IP Address |
| 2026-02-18 | 49.212.243.91 (ClassC) |
| Date | Domain | IP |
| test11.hepco.co.jp | 2025-08-07 | 203.180.245.133 |
| www11.hepco.co.jp | 2025-06-01 | 160.13.160.17 |
| ns1.hepco.co.jp | 2026-02-18 | 61.198.24.102 |
| www1.hepco.co.jp | 2025-03-06 | 160.13.160.21 |
| ns2.hepco.co.jp | 2025-09-20 | 61.198.16.42 |
| cdn.enemall.hepco.co.jp | 2025-09-14 | 13.107.246.70 |
| www.enemall.hepco.co.jp | 2025-05-17 | 150.95.165.228 |
| simulation.hepco.co.jp | 2025-07-15 | 202.237.148.166 |
| teiden-info.hepco.co.jp | 2026-02-18 | 13.107.253.70 |
| denkiyoho.hepco.co.jp | 2024-11-29 | 152.195.19.97 |
| recruit.hepco.co.jp | 2025-06-02 | 49.212.243.91 |
| www.recruit.hepco.co.jp | 2026-02-18 | 49.212.243.91 |
| spd-lt.hepco.co.jp | 2025-12-16 | 20.210.48.24 |
| cdn.enemalltest.hepco.co.jp | 2025-08-22 | 13.107.253.70 |
| cdn.enemallqtst.hepco.co.jp | 2025-05-28 | 13.107.253.70 |
| www.enemallqtst.hepco.co.jp | 2025-05-17 | 202.238.245.150 |
| www.hepco.co.jp | 2023-08-18 | 152.195.19.97 |