| Date | IP Address |
| 2020-03-13 | 52.199.164.212 (ClassC) |
| 2020-03-13 | 52.68.64.223 (ClassC) |
| 2020-03-13 | 54.92.76.135 (ClassC) |
| 2021-02-13 | 18.177.90.198 (ClassC) |
| 2021-02-13 | 52.194.145.221 (ClassC) |
| 2021-02-13 | 52.197.183.59 (ClassC) |
| 2022-01-14 | 52.199.147.0 (ClassC) |
| 2022-01-14 | 13.113.187.28 (ClassC) |
| 2022-01-14 | 54.178.166.56 (ClassC) |
| 2025-09-07 | 99.83.141.98 (ClassC) |
| 2025-11-23 | 75.2.110.57 (ClassC) |
| Date | Domain | IP |
| rssc.demo-eccube2.submit.ne.jp | 2025-04-04 | 99.83.234.103 |
| rssc.oshima.submit.ne.jp | 2025-11-19 | 75.2.116.30 |
| blog.submit.ne.jp | 2025-11-10 | 199.60.103.226 |
| apimail.submit.ne.jp | 2024-07-26 | 199.60.103.226 |
| en.submit.ne.jp | 2024-12-07 | 3.163.189.15 |
| ko.submit.ne.jp | 2025-04-04 | 3.163.24.38 |
| rssc.saito.submit.ne.jp | 2025-09-07 | 99.83.141.98 |
| fr.submit.ne.jp | 2024-06-07 | 3.163.24.42 |
| www.submit.ne.jp | 2025-09-07 | 199.60.103.226 |