| Date | IP Address |
| 2023-12-04 | 3.225.219.214 (ClassC) |
| 2024-06-12 | 52.0.8.145 (ClassC) |
| 2024-08-28 | 107.21.203.28 (ClassC) |
| 2024-09-14 | 35.174.132.249 (ClassC) |
| 2024-10-21 | 52.2.41.96 (ClassC) |
| 2024-10-28 | 3.210.70.81 (ClassC) |
| 2024-11-11 | 3.225.97.136 (ClassC) |
| 2025-02-10 | 35.153.82.2 (ClassC) |
| 2025-02-20 | 35.172.131.20 (ClassC) |
| 2025-04-23 | 52.22.16.191 (ClassC) |
| 2025-06-23 | 52.55.129.154 (ClassC) |
| 2025-06-30 | 34.193.134.99 (ClassC) |
| 2025-08-04 | 34.238.75.168 (ClassC) |
| 2025-08-05 | 23.21.229.118 (ClassC) |
| 2025-08-09 | 34.195.42.29 (ClassC) |
| 2025-08-25 | 34.238.26.192 (ClassC) |
| 2025-09-12 | 54.173.221.198 (ClassC) |
| 2025-10-11 | 34.237.199.168 (ClassC) |
| 2025-10-21 | 34.237.251.137 (ClassC) |
| 2025-11-19 | 3.224.139.162 (ClassC) |
| 2026-01-02 | 100.51.251.149 (ClassC) |
| 2026-03-05 | 98.91.126.168 (ClassC) |
| Date | Domain | IP |
| learning.nccer.org | 2026-02-27 | 16.59.7.218 |
| redirects.nccer.org | 2026-02-11 | 3.131.175.210 |
| myaccount.nccer.org | 2025-02-20 | 35.172.131.20 |
| web.myaccount.nccer.org | 2025-12-14 | 3.175.34.106 |
| support.nccer.org | 2025-12-26 | 3.131.175.210 |
| www.nccer.org | 2026-02-12 | 216.128.141.89 |