| Date | IP Address |
| 0000-00-00 | 66.219.116.140 (ClassC) |
| 2013-05-24 | 216.229.0.179 (ClassC) |
| 2013-06-24 | 64.250.229.100 (ClassC) |
| 2013-07-11 | 12.10.191.251 (ClassC) |
| 2013-07-19 | 64.236.96.53 (ClassC) |
| 2013-07-23 | 132.163.4.101 (ClassC) |
| 2013-10-25 | 96.47.67.105 (ClassC) |
| 2014-05-08 | 206.246.122.250 (ClassC) |
| 2014-07-08 | 206.246.122.250 (ClassC) |
| 2015-04-28 | 132.163.4.103 (ClassC) |
| 2019-09-14 | 129.6.15.29 (ClassC) |
| 2019-09-23 | 129.6.15.28 (ClassC) |
| 2024-10-14 | 132.163.97.6 (ClassC) |
| 2025-02-22 | 132.163.97.3 (ClassC) |
| 2025-04-07 | 132.163.96.2 (ClassC) |
| 2025-04-19 | 132.163.96.6 (ClassC) |
| 2025-04-24 | 132.163.97.4 (ClassC) |
| 2025-05-11 | 132.163.97.2 (ClassC) |
| 2025-05-19 | 128.138.141.172 (ClassC) |
| 2025-05-28 | 132.163.96.3 (ClassC) |
| 2025-06-30 | 132.163.96.4 (ClassC) |
| 2025-07-28 | 132.163.97.1 (ClassC) |
| 2025-08-05 | 128.138.140.44 (ClassC) |
| Date | Domain | IP |
| time-a.nist.gov | 2025-08-04 | 129.6.15.28 |
| v6-rev-ns-a.nist.gov | 2025-07-30 | 108.162.198.1 |
| bea.nist.gov | 2025-07-29 | 132.163.3.10 |
| gea.nist.gov | 2025-08-04 | 129.6.92.10 |
| time-b.nist.gov | 2025-08-04 | 129.6.15.29 |
| ntp-b.nist.gov | 2025-06-20 | 132.163.96.5 |
| usgcb.nist.gov | 2025-05-08 | 54.85.30.225 |
| ntp1.glb.nist.gov | 2024-08-16 | 132.163.97.6 |
| csrc.glb.nist.gov | 2025-06-23 | 18.235.227.114 |
| time.glb.nist.gov | 2025-05-29 | 132.163.4.22 |
| beacon.glb.nist.gov | 2025-06-20 | 18.235.227.114 |
| nistproxy-aws.glb.nist.gov | 2025-07-09 | 54.85.30.225 |
| ntptest.glb.nist.gov | 2024-11-22 | 132.163.96.3 |
| webbook-proxy.glb.nist.gov | 2023-11-07 | 132.163.4.99 |
| csrc.nist.gov | 2025-04-25 | 54.85.30.225 |
| wtc.nist.gov | 2024-06-03 | 54.162.67.105 |
| logind.nist.gov | 2025-06-27 | 15.200.153.34 |
| nvd.nist.gov | 2019-03-19 | 129.6.13.177 |
| web.nvd.nist.gov | 2025-05-13 | 54.85.30.225 |
| services.nvd.nist.gov | 2025-05-08 | 54.85.30.225 |
| ace.nist.gov | 2024-10-06 | 129.6.13.49 |
| code.nist.gov | 2025-04-20 | 18.235.227.114 |
| baldrige.nist.gov | 2024-12-07 | 52.45.83.228 |
| www.baldrige.nist.gov | 2024-08-14 | 54.165.224.197 |
| time.nist.gov | 2013-07-11 | 12.10.191.251 |
| www.nccoe.nist.gov | 2025-04-28 | 172.65.90.27 |
| fire.nist.gov | 2024-08-07 | 54.145.99.223 |
| sre.nist.gov | 2025-04-01 | 54.85.30.225 |
| vote.nist.gov | 2024-09-13 | 54.175.52.26 |
| time-a-g.nist.gov | 2025-07-29 | 129.6.15.28 |
| time-b-g.nist.gov | 2025-07-29 | 129.6.15.29 |
| time-d-g.nist.gov | 2025-07-29 | 129.6.15.27 |
| gtmg.nist.gov | 2025-07-30 | 129.6.13.8 |
| actev-staging.nist.gov | 2023-12-23 | 54.85.30.225 |
| mbark.nist.gov | 2025-04-20 | 18.235.227.114 |
| www.mel.nist.gov | 2024-08-20 | 54.152.138.124 |
| stonewall.nist.gov | 2024-07-07 | 54.144.191.225 |
| www.hml.nist.gov | 2024-10-21 | 52.71.191.86 |
| www.bfrl.nist.gov | 2024-08-12 | 54.173.78.238 |
| www.nsrl.nist.gov | 2024-07-07 | 54.174.178.34 |
| 5gmm.nist.gov | 2025-04-07 | 18.235.227.114 |
| ncp.nist.gov | 2025-04-25 | 18.235.227.114 |
| time-a.boulder.nist.gov | 2025-08-04 | 132.163.96.1 |
| mail.boulder.nist.gov | 2025-08-04 | 129.6.16.94 |
| timegov.boulder.nist.gov | 2025-04-25 | 132.163.4.175 |
| www-nlpir.nist.gov | 2025-03-16 | 132.163.4.175 |
| nvlpubs.nist.gov | 2025-04-10 | 129.6.13.19 |
| www.cfreds.nist.gov | 2024-11-11 | 54.85.30.225 |
| pages.nist.gov | 2025-05-05 | 54.85.30.225 |
| image.updates.nist.gov | 2025-03-18 | 104.103.68.83 |
| meis.nist.gov | 2025-04-20 | 18.235.227.114 |
| iris.nist.gov | 2025-04-07 | 54.85.30.225 |
| abacus.nist.gov | 2025-04-11 | 18.235.227.114 |
| www.cftt.nist.gov | 2024-07-14 | 54.165.63.209 |
| timegov.nist.gov | 2025-04-25 | 129.6.13.19 |
| time-a-wwv.nist.gov | 2025-07-22 | 132.163.97.1 |
| time-c-wwv.nist.gov | 2025-08-04 | 132.163.97.3 |
| time-d-wwv.nist.gov | 2025-07-29 | 132.163.97.4 |
| www.nist.gov | 2023-08-04 | 54.172.23.112 |