| Date | IP Address |
| 2019-08-24 | 52.203.132.102 (ClassC) |
| 2021-04-13 | 52.202.35.241 (ClassC) |
| 2025-09-21 | 56.136.63.13 (ClassC) |
| 2025-10-06 | 3.32.160.211 (ClassC) |
| 2025-11-02 | 15.200.194.127 (ClassC) |
| 2025-12-06 | 56.136.43.20 (ClassC) |
| 2026-03-05 | 56.137.220.245 (ClassC) |
| Date | Domain | IP |
| inpsccmdmzmp01.nps.gov | 2025-09-22 | 4.156.14.56 |
| home.nps.gov | 2025-06-25 | 34.232.5.230 |
| secure.nps.gov | 2026-03-05 | 165.83.19.13 |
| cmstraining.nps.gov | 2025-12-06 | 34.233.115.141 |
| npssearch.nps.gov | 2024-11-25 | 54.86.75.48 |
| central.nps.gov | 2025-09-30 | 3.169.173.100 |
| go.nps.gov | 2025-10-29 | 52.5.195.153 |
| developer.nps.gov | 2025-09-21 | 56.136.63.13 |
| cms.nps.gov | 2025-12-07 | 34.233.115.141 |
| stats.nps.gov | 2014-03-04 | 66.235.138.225 |
| www.nps.gov | 2014-10-16 | 90.84.60.145 |