| Date | IP Address |
| 2023-08-27 | 52.198.88.174 (ClassC) |
| 2023-10-28 | 35.73.32.76 (ClassC) |
| 2023-11-11 | 35.72.157.30 (ClassC) |
| 2024-08-13 | 18.181.100.191 (ClassC) |
| 2024-09-10 | 3.114.85.226 (ClassC) |
| 2024-09-22 | 18.176.15.219 (ClassC) |
| 2024-10-19 | 13.113.162.98 (ClassC) |
| 2024-10-22 | 35.76.239.38 (ClassC) |
| 2024-11-11 | 35.73.243.254 (ClassC) |
| 2024-11-25 | 13.114.174.65 (ClassC) |
| 2024-12-23 | 35.75.179.149 (ClassC) |
| 2025-01-01 | 35.74.188.109 (ClassC) |
| 2025-02-05 | 52.198.239.55 (ClassC) |
| 2025-02-23 | 52.195.251.98 (ClassC) |
| 2025-03-11 | 13.112.23.187 (ClassC) |
| 2025-05-08 | 35.72.74.127 (ClassC) |
| 2025-08-21 | 52.195.138.41 (ClassC) |
| 2025-12-19 | 35.75.142.23 (ClassC) |
| 2026-03-01 | 54.65.197.204 (ClassC) |
| Date | Domain | IP |
| jicpaca.jicpa.or.jp | 2025-12-19 | 61.126.15.11 |
| chiyoda.jicpa.or.jp | 2026-02-17 | 202.234.181.164 |
| ja.jicpa.or.jp | 2025-12-19 | 211.120.40.47 |
| e-ja.jicpa.or.jp | 2026-02-14 | 122.208.232.51 |
| jija.jicpa.or.jp | 2025-10-21 | 150.60.210.106 |
| www.jija.jicpa.or.jp | 2025-09-07 | 150.60.210.106 |
| db.jicpa.or.jp | 2026-02-14 | 211.120.40.30 |
| paib.jicpa.or.jp | 2025-10-21 | 203.216.206.6 |
| api.cpd.jicpa.or.jp | 2026-02-10 | 18.161.6.46 |
| admin.cpd.jicpa.or.jp | 2025-01-16 | 18.161.6.26 |
| secure.cpe.jicpa.or.jp | 2025-01-16 | 52.84.162.80 |
| www.region.jicpa.or.jp | 2026-02-14 | 117.20.105.65 |
| sso.jicpa.or.jp | 2024-11-12 | 35.73.243.254 |
| tokyo.jicpa.or.jp | 2024-11-11 | 35.73.243.254 |
| erep.jicpa.or.jp | 2024-11-10 | 35.73.243.254 |
| www.hp.jicpa.or.jp | 2024-11-09 | 54.249.85.252 |
| career.jicpa.or.jp | 2025-05-17 | 203.216.206.6 |
| www.jicpa.or.jp | 2025-10-21 | 203.216.206.6 |