| Date | IP Address |
| 2025-01-15 | 15.205.166.251 (ClassC) |
| 2025-04-15 | 15.200.176.166 (ClassC) |
| 2025-04-24 | 15.200.153.34 (ClassC) |
| Date | Domain | IP |
| pmail2.doc.gov | 2025-04-16 | 170.110.225.188 |
| sm2.doc.gov | 2025-04-20 | 170.110.225.160 |
| authdev2.doc.gov | 2025-04-13 | 15.200.176.166 |
| ntia.doc.gov | 2025-04-11 | 20.246.31.175 |
| ntiaotiant2.ntia.doc.gov | 2025-04-13 | 13.107.253.70 |
| st2.ntia.doc.gov | 2025-04-12 | 13.107.253.70 |
| www2.ntia.doc.gov | 2025-04-12 | 13.107.253.70 |
| d7.ntia.doc.gov | 2025-04-19 | 13.107.253.70 |
| broadbandusa.ntia.doc.gov | 2025-04-17 | 20.1.156.90 |
| hybrid.ntia.doc.gov | 2025-04-15 | 20.96.203.18 |
| freqcoord.ntia.doc.gov | 2025-04-12 | 137.116.64.24 |
| dbmws.freqcoord.ntia.doc.gov | 2025-04-18 | 13.107.253.70 |
| ntiacsd.ntia.doc.gov | 2025-04-17 | 13.107.253.70 |
| safe.ntia.doc.gov | 2025-04-13 | 13.107.246.70 |
| ofacswcf.ntia.doc.gov | 2025-04-11 | 13.107.253.70 |
| btopsbi.ntia.doc.gov | 2025-04-12 | 170.110.225.148 |
| webmail.ntia.doc.gov | 2024-10-11 | 52.96.164.210 |
| ssl.ntia.doc.gov | 2025-04-11 | 13.107.246.70 |
| freqcoordcan.ntia.doc.gov | 2025-04-18 | 137.116.64.24 |
| fs.ntia.doc.gov | 2023-08-26 | 198.51.11.174 |
| dcfs.ntia.doc.gov | 2025-04-13 | 13.107.253.70 |
| iracnet.ntia.doc.gov | 2025-04-11 | 13.107.253.70 |
| ofacswcftest.ntia.doc.gov | 2025-04-12 | 13.107.253.70 |
| www.ntia.doc.gov | 2024-11-24 | 13.107.246.70 |
| myservicehub.doc.gov | 2025-04-12 | 149.96.184.158 |
| sfc.doc.gov | 2025-04-12 | 34.194.104.153 |
| oob.oig.doc.gov | 2025-04-13 | 149.97.200.82 |
| auth.oig.doc.gov | 2025-04-12 | 15.200.176.166 |
| mail.oig.doc.gov | 2025-04-11 | 142.215.34.60 |
| support.oig.doc.gov | 2025-04-20 | 40.71.118.232 |
| test.oig.doc.gov | 2025-04-12 | 13.107.253.70 |
| www.oig.doc.gov | 2023-08-26 | 170.110.225.63 |
| auth.doc.gov | 2025-04-18 | 15.205.166.251 |
| osdev.auth.doc.gov | 2025-04-11 | 15.205.166.251 |
| sslvpn.doc.gov | 2025-04-11 | 170.110.224.252 |
| boulder.doc.gov | 2025-04-11 | 18.235.227.114 |
| inside.boulder.doc.gov | 2025-04-16 | 18.235.227.114 |
| www.boulder.doc.gov | 2025-04-12 | 18.235.227.114 |
| ecs.doc.gov | 2025-04-13 | 149.96.185.177 |
| bis.doc.gov | 2024-03-30 | 20.141.246.87 |
| snapr.bis.doc.gov | 2024-10-14 | 20.141.12.34 |
| dev-snapr.apps.bis.doc.gov | 2025-04-11 | 20.140.56.69 |
| sts.export.bis.doc.gov | 2025-04-22 | 20.158.40.115 |
| certauth.sts.export.bis.doc.gov | 2025-04-11 | 20.141.130.231 |
| csamdoc.justapps.doc.gov | 2025-04-13 | 149.101.48.159 |
| csamdoctest.justapps.doc.gov | 2025-04-15 | 149.101.48.160 |
| servicehubtest.doc.gov | 2025-04-12 | 149.96.188.158 |
| ecstest.doc.gov | 2025-04-21 | 149.96.185.177 |
| authdev.doc.gov | 2025-01-15 | 15.205.166.251 |
| ecsdev.doc.gov | 2025-04-13 | 149.96.185.177 |
| www.doc.gov | 2024-04-09 | 170.110.225.196 |
| search.library.doc.gov | 2025-04-11 | 216.147.209.162 |
| calendar.library.doc.gov | 2025-04-13 | 18.214.47.102 |
| register.library.doc.gov | 2025-04-22 | 52.0.120.27 |
| www.library.doc.gov | 2025-04-21 | 54.88.35.99 |