| Date | IP Address |
| 2025-01-13 | 44.219.124.169 (ClassC) |
| 2025-02-03 | 52.4.56.102 (ClassC) |
| 2025-03-20 | 3.213.238.238 (ClassC) |
| 2025-05-09 | 107.23.171.72 (ClassC) |
| 2025-05-15 | 52.71.89.179 (ClassC) |
| 2025-06-05 | 3.93.141.105 (ClassC) |
| 2025-06-12 | 34.235.195.21 (ClassC) |
| 2025-06-19 | 52.6.48.71 (ClassC) |
| 2025-06-26 | 44.209.122.85 (ClassC) |
| 2025-07-17 | 54.84.80.216 (ClassC) |
| 2025-07-31 | 52.22.184.178 (ClassC) |
| 2025-08-07 | 3.218.93.155 (ClassC) |
| 2025-08-14 | 3.224.113.24 (ClassC) |
| 2025-08-21 | 50.19.103.35 (ClassC) |
| 2025-09-04 | 3.211.96.102 (ClassC) |
| 2025-09-18 | 52.72.124.211 (ClassC) |
| 2025-09-25 | 52.23.97.113 (ClassC) |
| 2025-10-02 | 18.215.106.98 (ClassC) |
| 2025-10-16 | 54.86.106.186 (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 | 2025-10-17 | 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 |