| Date | IP Address |
| 2013-04-01 | 173.231.129.26 (ClassC) |
| 2014-05-10 | 174.129.42.251 (ClassC) |
| 2015-12-17 | 52.5.233.154 (ClassC) |
| 2016-12-07 | 151.101.44.133 (ClassC) |
| 2016-12-24 | 151.101.192.133 (ClassC) |
| 2017-01-17 | 192.30.252.154 (ClassC) |
| 2017-02-28 | 192.30.252.153 (ClassC) |
| 2017-09-19 | 104.31.91.142 (ClassC) |
| 2017-10-03 | 104.31.90.142 (ClassC) |
| 2018-01-18 | 35.199.32.102 (ClassC) |
| 2019-03-10 | 35.186.202.77 (ClassC) |
| 2019-12-02 | 34.95.97.224 (ClassC) |
| 2026-02-27 | 34.120.170.164 (ClassC) |
| Date | Domain | IP |
| i.citizen.com | 2025-12-23 | 34.120.170.164 |
| go.citizen.com | 2025-04-06 | 184.72.26.80 |
| safepass.citizen.com | 2026-02-22 | 44.252.253.233 |
| assets.citizen.com | 2026-02-22 | 130.211.19.122 |
| go-test.citizen.com | 2026-01-22 | 44.230.115.150 |
| www.citizen.com | 2017-10-03 | 104.31.90.142 |