| Date | IP Address |
| 2023-08-25 | 52.222.8.190 (ClassC) |
| 2024-01-07 | 52.222.90.83 (ClassC) |
| 2024-03-08 | 3.31.177.209 (ClassC) |
| 2024-04-12 | 15.200.207.30 (ClassC) |
| 2024-08-07 | 52.222.5.81 (ClassC) |
| 2024-08-25 | 3.32.213.87 (ClassC) |
| 2024-09-18 | 3.31.146.183 (ClassC) |
| 2024-11-25 | 56.136.109.164 (ClassC) |
| 2025-01-07 | 160.1.182.151 (ClassC) |
| 2025-02-11 | 56.136.17.171 (ClassC) |
| 2025-03-21 | 15.205.152.136 (ClassC) |
| 2025-05-10 | 15.200.86.251 (ClassC) |
| 2025-05-19 | 52.61.147.214 (ClassC) |
| 2025-05-27 | 56.136.229.254 (ClassC) |
| 2025-07-03 | 56.136.17.184 (ClassC) |
| 2025-07-10 | 15.205.91.80 (ClassC) |
| 2025-07-20 | 3.31.98.237 (ClassC) |
| Date | Domain | IP |
| smtp10.dot.gov | 2014-07-06 | 204.68.194.52 |
| acquia-stage-permits8.dot.gov | 2024-08-01 | 23.6.191.102 |
| acquia-test-permits8.dot.gov | 2024-08-14 | 184.24.192.193 |
| buildamerica.dot.gov | 2023-08-26 | 23.196.197.101 |
| cms.buildamerica.dot.gov | 2023-08-25 | 23.37.217.29 |
| www.data.fra.dot.gov | 2023-08-26 | 23.196.122.12 |
| railroads.fra.dot.gov | 2023-08-25 | 23.37.217.29 |
| dotcms.fra.dot.gov | 2023-08-26 | 2.19.136.141 |
| fmcsa.dot.gov | 2025-06-08 | 104.47.63.36 |
| nr-1.fmcsa.dot.gov | 2024-07-30 | 3.83.180.133 |
| nr-2.fmcsa.dot.gov | 2025-07-16 | 52.22.52.186 |
| www7.fmcsa.dot.gov | 2024-01-10 | 23.6.254.198 |
| csa.fmcsa.dot.gov | 2024-07-30 | 18.232.229.149 |
| nccdb.fmcsa.dot.gov | 2024-07-30 | 52.205.126.216 |
| li-public.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| eld.fmcsa.dot.gov | 2024-07-30 | 52.205.126.216 |
| itd.fmcsa.dot.gov | 2024-07-30 | 18.232.229.149 |
| mobile.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| score.fmcsa.dot.gov | 2023-08-25 | 23.37.217.29 |
| clearinghouse.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| eldenf.fmcsa.dot.gov | 2024-07-30 | 18.232.229.149 |
| ai.fmcsa.dot.gov | 2024-07-30 | 52.205.126.216 |
| api.fmcsa.dot.gov | 2025-04-16 | 204.69.252.165 |
| auth-api.fmcsa.dot.gov | 2025-06-11 | 204.69.252.19 |
| safespect-api.fmcsa.dot.gov | 2024-07-30 | 100.24.250.68 |
| portal.fmcsa.dot.gov | 2024-07-30 | 18.232.229.149 |
| sfm.fmcsa.dot.gov | 2023-08-26 | 2.19.136.141 |
| safespect-train.fmcsa.dot.gov | 2024-07-30 | 18.161.6.51 |
| safer.fmcsa.dot.gov | 2024-07-30 | 52.205.126.216 |
| ntcscheduler.fmcsa.dot.gov | 2023-08-26 | 23.196.197.101 |
| appian-nr.fmcsa.dot.gov | 2024-07-30 | 23.20.21.227 |
| tpo-nr.fmcsa.dot.gov | 2024-07-30 | 75.101.159.31 |
| tpr.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| dataqs.fmcsa.dot.gov | 2024-07-30 | 3.212.236.129 |
| clearinghouse-ws.fmcsa.dot.gov | 2025-06-11 | 34.237.7.144 |
| eldws.fmcsa.dot.gov | 2025-07-10 | 52.204.117.236 |
| prismws.fmcsa.dot.gov | 2025-06-26 | 52.202.88.155 |
| safespect.fmcsa.dot.gov | 2024-08-13 | 3.163.24.103 |
| reset.fmcsa.dot.gov | 2025-07-15 | 52.45.117.252 |
| www.fmcsa.dot.gov | 2024-01-08 | 23.196.197.101 |
| nationalregistry.fmcsa.dot.gov | 2024-08-04 | 18.161.6.43 |
| phmsa.dot.gov | 2025-07-10 | 204.68.196.12 |
| phmhqnwas024.phmsa.dot.gov | 2025-07-13 | 204.68.194.26 |
| www7.phmsa.dot.gov | 2023-08-26 | 23.196.197.101 |
| opsweb.phmsa.dot.gov | 2025-07-07 | 204.68.194.191 |
| ia-sync.phmsa.dot.gov | 2025-05-23 | 204.68.194.210 |
| ppsapprod.phmsa.dot.gov | 2024-11-02 | 18.161.6.108 |
| ia-sync-stage.phmsa.dot.gov | 2025-07-14 | 204.68.194.217 |
| primis-meetings-stage.phmsa.dot.gov | 2025-07-02 | 204.69.252.36 |
| primis-stage.phmsa.dot.gov | 2025-01-18 | 204.68.194.224 |
| ia-content-stage.phmsa.dot.gov | 2025-07-14 | 204.68.194.232 |
| authstaging.phmsa.dot.gov | 2024-09-28 | 3.163.24.69 |
| ia-training.phmsa.dot.gov | 2025-01-26 | 204.68.194.133 |
| portal.phmsa.dot.gov | 2025-07-09 | 204.68.194.27 |
| fedstar.phmsa.dot.gov | 2025-07-12 | 204.68.194.32 |
| portaldr.phmsa.dot.gov | 2025-07-03 | 204.152.44.40 |
| primis-transfer.phmsa.dot.gov | 2025-06-29 | 204.68.194.185 |
| phmsaservices.phmsa.dot.gov | 2025-07-19 | 204.68.194.62 |
| primis.phmsa.dot.gov | 2025-07-17 | 204.68.194.139 |
| www.npms.phmsa.dot.gov | 2014-02-26 | 199.107.71.50 |
| pvnpms.phmsa.dot.gov | 2025-06-11 | 204.68.194.176 |
| hazmatgrants.phmsa.dot.gov | 2025-04-27 | 204.68.194.187 |
| portalaws.phmsa.dot.gov | 2023-08-26 | 204.68.194.47 |
| primis-uat.phmsa.dot.gov | 2025-07-13 | 204.68.194.132 |
| phmsaservicesuat.phmsa.dot.gov | 2025-07-19 | 204.68.194.64 |
| ia-content.phmsa.dot.gov | 2025-07-01 | 204.68.194.223 |
| primis-test.phmsa.dot.gov | 2025-07-02 | 204.68.194.219 |
| hazmatonlinedevtest.phmsa.dot.gov | 2024-03-09 | 204.68.194.26 |
| portaldev.phmsa.dot.gov | 2025-07-19 | 204.68.194.29 |
| www.phmsa.dot.gov | 2023-08-26 | 23.196.197.101 |
| vpic.nhtsa.dot.gov | 2023-08-04 | 104.99.95.215 |
| origin-vpic.nhtsa.dot.gov | 2025-06-10 | 204.68.194.72 |
| nrd-static.nhtsa.dot.gov | 2023-08-26 | 104.100.56.150 |
| stage-nrd-static.nhtsa.dot.gov | 2023-08-26 | 104.100.56.150 |
| origin-vpic-prod.nhtsa.dot.gov | 2025-07-19 | 204.69.250.194 |
| www-nrd.nhtsa.dot.gov | 2024-01-09 | 184.86.198.158 |
| vpic-stage.nhtsa.dot.gov | 2023-08-26 | 104.100.82.39 |
| origin-vpic-stage.nhtsa.dot.gov | 2025-06-10 | 204.69.250.190 |
| cbi-stage.nhtsa.dot.gov | 2024-11-01 | 184.25.188.145 |
| vista-api-stage.nhtsa.dot.gov | 2024-11-25 | 23.198.108.188 |
| ncap-api-stage.nhtsa.dot.gov | 2024-03-07 | 23.196.205.199 |
| cbiuserapi-stage.nhtsa.dot.gov | 2024-12-29 | 23.198.108.188 |
| ncap-stage.nhtsa.dot.gov | 2023-08-26 | 104.100.56.150 |
| cbiuser-stage.nhtsa.dot.gov | 2024-09-30 | 23.195.228.156 |
| sparks-stage.nhtsa.dot.gov | 2023-08-26 | 104.100.56.150 |
| cbi.nhtsa.dot.gov | 2024-08-13 | 184.25.188.145 |
| www-odi.nhtsa.dot.gov | 2023-08-26 | 104.100.56.150 |
| vista-api.nhtsa.dot.gov | 2024-09-21 | 23.198.108.188 |
| stage-ncap-api.nhtsa.dot.gov | 2025-03-15 | 23.6.240.125 |
| ovsc.api.nhtsa.dot.gov | 2024-09-26 | 23.195.228.156 |
| nrd.api.nhtsa.dot.gov | 2023-08-26 | 104.100.56.150 |
| stage-nrd.api.nhtsa.dot.gov | 2023-08-26 | 104.100.56.150 |