| Date | IP Address |
| 2024-04-12 | 3.224.71.117 (ClassC) |
| 2024-05-03 | 34.203.120.12 (ClassC) |
| 2024-05-10 | 18.214.19.47 (ClassC) |
| 2024-05-26 | 34.196.155.159 (ClassC) |
| 2024-06-03 | 52.4.124.244 (ClassC) |
| 2024-09-14 | 52.203.83.22 (ClassC) |
| 2024-09-28 | 52.54.244.52 (ClassC) |
| 2025-01-16 | 34.233.195.172 (ClassC) |
| 2025-03-19 | 54.208.20.170 (ClassC) |
| 2025-04-28 | 34.224.118.209 (ClassC) |
| 2025-06-13 | 34.200.21.24 (ClassC) |
| 2025-07-15 | 54.205.120.21 (ClassC) |
| 2025-07-18 | 3.217.95.76 (ClassC) |
| 2025-09-01 | 34.236.62.102 (ClassC) |
| 2025-09-19 | 54.225.198.131 (ClassC) |
| 2025-09-26 | 98.83.201.183 (ClassC) |
| 2025-10-16 | 18.235.124.233 (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 |