| Date | IP Address |
| 2024-06-03 | 3.220.32.222 (ClassC) |
| 2024-06-10 | 18.233.249.191 (ClassC) |
| 2024-07-10 | 34.236.252.236 (ClassC) |
| 2024-12-02 | 52.55.136.191 (ClassC) |
| 2025-03-20 | 3.224.58.232 (ClassC) |
| 2025-04-17 | 54.226.254.51 (ClassC) |
| 2025-05-08 | 52.202.170.101 (ClassC) |
| 2025-06-13 | 18.211.233.142 (ClassC) |
| 2025-07-12 | 35.175.41.151 (ClassC) |
| 2025-07-17 | 54.84.30.178 (ClassC) |
| 2025-08-07 | 98.86.73.66 (ClassC) |
| 2025-08-11 | 44.222.46.182 (ClassC) |
| 2025-09-06 | 52.22.252.157 (ClassC) |
| 2025-09-20 | 44.206.12.198 (ClassC) |
| 2025-10-15 | 44.209.223.114 (ClassC) |
| Date | Domain | IP |
| ns1.nsf.gov | 2025-08-31 | 128.150.2.55 |
| ns2.nsf.gov | 2025-09-13 | 128.150.2.56 |
| www-legacy-f5.nsf.gov | 2025-09-20 | 128.150.221.244 |
| iucrc.nsf.gov | 2024-02-13 | 18.65.229.93 |
| seedfund.nsf.gov | 2025-03-20 | 3.163.165.87 |
| dasserviceportalnonprod.nsf.gov | 2024-12-26 | 52.205.89.16 |
| search.nsf.gov | 2024-11-25 | 107.23.146.145 |
| dasserviceportal.nsf.gov | 2025-01-13 | 44.219.124.169 |
| paesmem.nsf.gov | 2024-06-03 | 54.91.48.180 |
| demo.paesmem.nsf.gov | 2024-06-03 | 44.199.2.37 |
| edocs.epscor.nsf.gov | 2024-06-03 | 3.220.32.222 |
| demo-edocs.epscor.nsf.gov | 2024-04-12 | 3.224.71.117 |
| nsf-gov-resources.nsf.gov | 2024-09-15 | 204.246.191.60 |
| beta-resources.test.nsf.gov | 2025-10-15 | 18.161.6.25 |
| demo.paemst.nsf.gov | 2024-02-21 | 52.3.27.222 |
| new.nsf.gov | 2025-07-17 | 128.150.221.241 |
| www.nsf.gov | 2024-12-24 | 128.150.221.106 |