| Date | IP Address |
| 2024-12-28 | 15.200.153.34 (ClassC) |
| Date | Domain | IP |
| pmail2.doc.gov | 2024-09-07 | 170.110.225.188 |
| ntia.doc.gov | 2024-12-04 | 20.246.31.175 |
| webmail.ntia.doc.gov | 2024-10-11 | 52.96.164.210 |
| fs.ntia.doc.gov | 2023-08-26 | 198.51.11.174 |
| www.ntia.doc.gov | 2024-11-24 | 13.107.246.70 |
| mail.oig.doc.gov | 2024-10-11 | 142.215.34.60 |
| www.oig.doc.gov | 2023-08-26 | 170.110.225.63 |
| sslvpn.doc.gov | 2024-12-03 | 170.110.224.252 |
| boulder.doc.gov | 2024-04-18 | 18.235.227.114 |
| inside.boulder.doc.gov | 2024-07-31 | 18.235.227.114 |
| www.boulder.doc.gov | 2024-09-10 | 18.235.227.114 |
| bis.doc.gov | 2024-03-30 | 20.141.246.87 |
| snapr.bis.doc.gov | 2024-10-14 | 20.141.12.34 |
| authdev.doc.gov | 2024-12-28 | 15.200.153.34 |
| www.doc.gov | 2024-04-09 | 170.110.225.196 |