| Date | IP Address |
| 2024-12-24 | 3.163.165.112 (ClassC) |
| 2025-02-28 | 13.200.123.187 (ClassC) |
| 2025-05-20 | 3.163.165.43 (ClassC) |
| 2025-05-30 | 3.163.165.124 (ClassC) |
| 2025-06-07 | 204.246.191.6 (ClassC) |
| 2025-07-11 | 18.161.6.66 (ClassC) |
| 2025-09-06 | 3.169.173.111 (ClassC) |
| 2025-11-23 | 52.66.52.58 (ClassC) |
| Date | Domain | IP |
| voc.nios.ac.in | 2025-09-04 | 3.163.24.15 |
| vocapi.nios.ac.in | 2025-05-27 | 3.163.189.102 |
| examsapi.nios.ac.in | 2025-10-12 | 3.169.173.80 |
| digital.nios.ac.in | 2025-09-05 | 43.205.15.193 |
| vocadmin.nios.ac.in | 2025-05-26 | 3.163.24.85 |
| sdmisadmin.nios.ac.in | 2025-09-06 | 3.175.34.126 |
| examsadmin.nios.ac.in | 2025-09-18 | 3.169.173.9 |
| niosadmin.nios.ac.in | 2025-10-11 | 3.169.173.9 |
| eaccr.nios.ac.in | 2025-04-16 | 3.163.24.94 |
| sdmis.nios.ac.in | 2024-09-23 | 204.246.191.106 |
| exams.nios.ac.in | 2025-09-16 | 3.169.173.9 |
| grs.nios.ac.in | 2025-10-25 | 13.127.72.37 |
| results.nios.ac.in | 2024-12-24 | 3.163.165.112 |
| www.nios.ac.in | 2013-08-16 | 220.156.188.231 |