| Date | IP Address |
| 2014-05-29 | 159.142.1.236 (ClassC) |
| 2015-05-27 | - |
| 2019-10-02 | 159.142.191.80 (ClassC) |
| 2025-06-14 | 159.142.165.17 (ClassC) |
| Date | Domain | IP |
| dns5.gsa.gov | 2025-05-13 | 76.223.9.162 |
| barracuda.gsa.gov | 2014-05-29 | 159.142.160.187 |
| ext-courtsweb.gsa.gov | 2024-11-24 | 3.219.126.1 |
| cic.gsa.gov | 2024-01-07 | 52.22.106.87 |
| calc.gsa.gov | 2016-12-15 | 107.23.95.235 |
| workplace.gsa.gov | 2025-06-03 | 23.22.13.113 |
| mta-sts.grace.gsa.gov | 2025-04-15 | 159.142.191.107 |
| advantage.gsa.gov | 2025-01-10 | 159.142.122.168 |
| gsaadvantage.gsa.gov | 2024-11-25 | 159.142.122.168 |
| gsadvantage.gsa.gov | 2025-01-10 | 159.142.122.168 |
| coe.gsa.gov | 2024-11-13 | 52.84.162.78 |
| anywhere.gsa.gov | 2025-03-16 | 159.142.60.141 |
| insite.gsa.gov | 2024-07-06 | 50.17.177.27 |
| 18f.gsa.gov | 2019-08-06 | 13.224.2.90 |
| tech.gsa.gov | 2024-08-31 | 18.161.6.56 |
| search.gsa.gov | 2024-11-25 | 3.212.98.165 |
| mta-sts.research.gsa.gov | 2025-06-01 | 159.142.191.107 |
| mta-sts.fpki.gsa.gov | 2025-06-13 | 159.142.191.107 |
| feedback.gsa.gov | 2023-08-25 | 104.86.239.138 |
| disposal.gsa.gov | 2024-02-06 | 52.61.133.209 |
| propertydisposal.gsa.gov | 2015-01-03 | 204.95.26.179 |
| mta-sts.mail.propertydisposal.gsa.gov | 2025-05-16 | 159.142.191.107 |
| m.gsa.gov | 2025-04-17 | 23.22.13.113 |
| fedsim.gsa.gov | 2024-04-04 | 18.65.229.64 |
| ussm.gsa.gov | 2021-10-09 | 13.225.229.117 |
| open.gsa.gov | 2024-05-21 | 3.163.24.124 |
| itvmo.gsa.gov | 2024-03-06 | 99.86.38.118 |
| mta-sts.exterro.gsa.gov | 2025-04-17 | 159.142.191.107 |
| aas.gsa.gov | 2024-02-21 | 204.246.191.20 |
| expressplatform.aas.gsa.gov | 2024-02-15 | 99.84.66.67 |
| mta-sts.naas.gsa.gov | 2025-05-31 | 159.142.191.107 |
| mfalogin.fas.gsa.gov | 2025-03-05 | 34.223.206.17 |
| auth.jenkins.fss19-prod.fcs.gsa.gov | 2024-09-03 | 3.163.24.123 |
| api.bm.fleet-stg.fcs.gsa.gov | 2025-01-11 | 52.84.162.111 |
| auth.jenkins.fss19-test.fcs.gsa.gov | 2024-05-24 | 3.163.24.53 |
| fleet-test.fcs.gsa.gov | 2024-04-30 | 3.163.24.6 |
| api-gw.marketplace.fleet-test.fcs.gsa.gov | 2024-06-16 | 52.22.109.39 |
| asset.fleet-test.fcs.gsa.gov | 2024-06-16 | 18.238.238.62 |
| auth.jenkins.fss19-dev.fcs.gsa.gov | 2025-02-07 | 3.163.24.87 |
| asset.fleet-dev.fcs.gsa.gov | 2024-09-03 | 18.161.6.96 |
| oes.gsa.gov | 2024-02-11 | 204.246.191.65 |
| fleetautoauctions.gsa.gov | 2025-04-18 | 159.142.4.120 |
| mta-sts.it-solutions.gsa.gov | 2025-04-16 | 159.142.191.107 |
| images.gsasolutions.gsa.gov | 2015-02-02 | 165.254.207.73 |
| eis-agency-pricer.test-eos.gsa.gov | 2024-11-24 | 44.206.81.62 |
| connectionsii-clin-checker.test-eos.gsa.gov | 2025-01-20 | 52.203.40.208 |
| vendors.eos.gsa.gov | 2025-03-11 | 44.207.130.195 |
| eis-agency-pricer-cert.eos.gsa.gov | 2024-06-03 | 54.160.33.252 |
| mta-sts.usaccess.gsa.gov | 2025-05-28 | 159.142.191.107 |
| mta-sts.gsa-icats.gsa.gov | 2025-06-10 | 159.142.191.107 |
| mta-sts.gsa.gov | 2025-04-18 | 159.142.191.107 |
| tts.gsa.gov | 2025-03-16 | 52.84.162.31 |
| handbook.tts.gsa.gov | 2024-06-14 | 18.161.6.42 |
| join.tts.gsa.gov | 2024-05-25 | 3.163.24.73 |
| fas.connect.gsa.gov | 2025-05-28 | 159.142.191.107 |
| email.test.gsa.gov | 2025-04-13 | 159.142.122.26 |
| listserv.gsa.gov | 2014-05-29 | 159.142.1.236 |
| mta-sts.listserv.gsa.gov | 2025-06-03 | 159.142.191.107 |
| www.gsa.gov | 2019-10-15 | 13.224.2.93 |
| 10x.gsa.gov | 2019-08-10 | 13.224.29.3 |
| mta-sts.fax.gsa.gov | 2025-01-17 | 159.142.191.107 |
| gsaelibrary.gsa.gov | 2024-11-25 | 159.142.122.170 |
| www.gsaelibrary.gsa.gov | 2025-01-10 | 159.142.122.170 |
| discovery.gsa.gov | 2024-10-04 | 34.205.182.80 |
| ebuy.gsa.gov | 2025-04-03 | 159.142.122.157 |
| www.ebuy.gsa.gov | 2025-01-07 | 159.142.122.156 |