| Date | IP Address |
| 2024-10-31 | 205.254.131.23 (ClassC) |
| Date | Domain | IP |
| nnsa.energy.gov | 2021-02-21 | 54.230.126.94 |
| ncc.energy.gov | 2024-02-28 | 23.209.29.36 |
| www.ncc.energy.gov | 2024-02-18 | 23.209.29.36 |
| afdc.energy.gov | 2023-08-15 | 3.132.1.111 |
| oneid.energy.gov | 2024-09-30 | 128.115.245.229 |
| science.energy.gov | 2024-02-18 | 204.246.191.32 |
| unconventional.energy.gov | 2013-07-05 | 69.31.58.160 |
| nationalcoalcouncil.energy.gov | 2024-02-19 | 104.81.179.182 |
| fossil.energy.gov | 2014-07-06 | 63.80.4.34 |
| media.fossil.energy.gov | 2024-08-14 | 23.32.75.26 |
| us-uk.fossil.energy.gov | 2024-02-21 | 23.209.29.36 |
| heatingoil.fossil.energy.gov | 2023-08-25 | 23.209.29.36 |
| refinedproduct.fossil.energy.gov | 2023-08-25 | 23.209.29.36 |
| www.fossil.energy.gov | 2015-01-30 | 128.177.96.97 |
| fecm.energy.gov | 2024-02-28 | 23.209.29.36 |
| cio.energy.gov | 2024-02-18 | 204.246.191.32 |
| betterbuildingssolutioncenter.energy.gov | 2024-07-27 | 205.254.148.244 |
| www.shalegas.energy.gov | 2013-07-08 | 64.145.84.80 |
| apcs.energy.gov | 2024-05-03 | 3.132.122.77 |
| reports.energy.gov | 2024-10-31 | 205.254.131.23 |
| management.energy.gov | 2024-02-13 | 18.161.6.22 |
| www.energy.gov | 2021-02-23 | 54.230.126.94 |