| Date | IP Address |
| 2012-10-04 | 92.122.50.145 (ClassC) |
| 2015-02-16 | 2.16.100.115 (ClassC) |
| 2019-01-28 | 23.43.164.24 (ClassC) |
| 2019-02-05 | 23.35.150.24 (ClassC) |
| 2019-02-06 | 128.177.96.203 (ClassC) |
| 2020-07-06 | 23.197.43.126 (ClassC) |
| 2021-05-12 | 104.78.244.248 (ClassC) |
| 2023-08-04 | 104.99.84.117 (ClassC) |
| 2023-08-26 | 104.100.58.85 (ClassC) |
| 2023-11-13 | 69.192.80.120 (ClassC) |
| 2024-01-12 | 184.86.202.37 (ClassC) |
| 2024-02-21 | 23.198.171.201 (ClassC) |
| 2024-07-24 | 104.90.249.91 (ClassC) |
| 2024-07-30 | 23.61.177.186 (ClassC) |
| 2024-08-06 | 184.29.185.183 (ClassC) |
| 2024-08-11 | 23.38.237.249 (ClassC) |
| 2024-09-10 | 23.222.144.93 (ClassC) |
| 2024-11-13 | 96.6.233.155 (ClassC) |
| 2024-11-24 | 92.123.203.73 (ClassC) |
| 2024-12-26 | 23.196.202.148 (ClassC) |
| Date | Domain | IP |
| cecivav6.uscis.gov | 2024-08-28 | 152.180.18.169 |
| cecculivanlb01a.uscis.gov | 2024-12-14 | 152.180.18.41 |
| beta.uscis.gov | 2023-08-25 | 23.37.217.177 |
| edit-beta.uscis.gov | 2024-03-12 | 23.196.196.228 |
| vwa.uscis.gov | 2014-03-07 | 96.6.46.35 |
| login-preprod.uscis.gov | 2023-08-26 | 104.100.58.85 |
| save.uscis.gov | 2024-12-24 | 173.255.59.53 |
| stage.save.uscis.gov | 2024-12-24 | 173.255.59.52 |
| staging.uscis.gov | 2023-08-25 | 104.108.95.151 |
| beta-staging.uscis.gov | 2023-08-25 | 104.108.95.151 |
| edit.beta-staging.uscis.gov | 2023-08-25 | 104.108.87.202 |
| edit.staging.uscis.gov | 2023-08-25 | 104.108.95.151 |
| blog.uscis.gov | 2013-09-16 | 173.194.77.121 |
| search.uscis.gov | 2024-04-04 | 3.163.165.129 |
| selfcheck.uscis.gov | 2023-08-25 | 23.196.119.128 |
| staging.selfcheck.uscis.gov | 2023-08-26 | 23.214.103.231 |
| login.uscis.gov | 2023-08-26 | 104.100.58.85 |
| verification.uscis.gov | 2024-03-08 | 23.196.195.112 |
| stage.verification.uscis.gov | 2023-08-25 | 104.108.85.182 |
| idp.uscis.gov | 2024-07-12 | 184.24.193.104 |
| externaltest.idp.uscis.gov | 2024-01-14 | 104.81.184.90 |
| preview.idp.uscis.gov | 2023-08-25 | 23.37.217.177 |
| blog-es.uscis.gov | 2023-08-26 | 104.100.58.85 |
| edit.uscis.gov | 2024-01-07 | 23.49.131.35 |
| testint.uscis.gov | 2023-08-25 | 104.108.95.151 |
| beta-testint.uscis.gov | 2023-08-25 | 104.108.95.151 |
| edit.beta-testint.uscis.gov | 2023-08-25 | 104.108.87.202 |
| edit.testint.uscis.gov | 2023-08-25 | 104.108.95.151 |
| myaccount.uscis.gov | 2023-08-04 | 23.55.22.184 |
| login-test.uscis.gov | 2023-08-26 | 23.198.171.201 |
| login-dev.uscis.gov | 2023-08-26 | 23.198.171.201 |
| preview.uscis.gov | 2023-08-25 | 23.37.217.177 |
| myaccount-preview.uscis.gov | 2023-08-26 | 23.196.197.213 |
| www.uscis.gov | 2014-10-24 | 205.234.218.34 |