| Date | IP Address |
| 2015-11-18 | 63.158.227.24 (ClassC) |
| 2015-11-19 | 63.158.227.17 (ClassC) |
| 2016-11-28 | 23.194.173.198 (ClassC) |
| 2022-05-03 | 108.156.60.63 (ClassC) |
| 2022-06-04 | 13.224.221.19 (ClassC) |
| 2022-06-06 | 65.9.85.9 (ClassC) |
| 2022-06-16 | 13.32.99.3 (ClassC) |
| 2022-06-22 | 13.224.222.52 (ClassC) |
| 2022-06-28 | 18.67.17.102 (ClassC) |
| 2022-07-06 | 65.9.86.101 (ClassC) |
| 2022-07-29 | 13.249.205.59 (ClassC) |
| 2023-08-22 | 65.8.228.129 (ClassC) |
| 2023-09-29 | 3.161.213.91 (ClassC) |
| 2023-12-08 | 18.65.3.99 (ClassC) |
| 2024-07-14 | 18.161.6.51 (ClassC) |
| 2024-08-09 | 99.84.66.31 (ClassC) |
| 2024-10-05 | 18.161.6.8 (ClassC) |
| 2024-10-14 | 18.161.6.64 (ClassC) |
| 2024-11-03 | 18.161.6.125 (ClassC) |
| 2024-11-12 | 204.246.191.25 (ClassC) |
| 2024-11-24 | 99.84.66.50 (ClassC) |
| 2025-03-05 | 18.65.229.71 (ClassC) |
| 2025-03-14 | 18.65.229.67 (ClassC) |
| 2025-03-21 | 18.65.229.99 (ClassC) |
| 2025-03-31 | 18.65.229.105 (ClassC) |
| 2025-04-03 | 99.84.66.18 (ClassC) |
| 2025-04-16 | 204.246.191.63 (ClassC) |
| 2025-04-25 | 99.84.66.53 (ClassC) |
| Date | Domain | IP |
| dcns2.epa.gov | 2025-04-16 | 161.80.212.15 |
| www2.epa.gov | 2014-06-27 | 63.216.54.253 |
| www3.epa.gov | 2025-04-20 | 134.67.21.34 |
| data.epa.gov | 2025-04-13 | 161.80.73.54 |
| beta.epa.gov | 2023-08-25 | 18.161.6.115 |
| archive.epa.gov | 2025-04-18 | 134.67.21.34 |
| blog.epa.gov | 2019-04-11 | 13.249.142.11 |
| espanol.epa.gov | 2023-12-17 | 18.65.229.121 |
| awsrobinson.epa.gov | 2025-03-03 | 204.47.252.52 |
| bap.epa.gov | 2024-06-06 | 23.44.175.190 |
| developer.epa.gov | 2019-09-06 | 13.224.227.55 |
| water.epa.gov | 2015-03-21 | 63.236.252.171 |
| energystar.prod.es.epa.gov | 2025-04-12 | 204.47.252.17 |
| snapshot.epa.gov | 2025-04-12 | 134.67.21.34 |
| 19january2021snapshot.epa.gov | 2025-03-15 | 134.67.21.34 |
| cleanairnortheast.epa.gov | 2025-04-17 | 134.67.21.34 |
| lew.epa.gov | 2025-01-05 | 15.200.211.21 |
| www.epa.gov | 2024-07-14 | 18.161.6.51 |