| Date | IP Address |
| 2025-06-30 | 12.181.141.83 (ClassC) |
| 2026-01-22 | 162.129.22.13 (ClassC) |
| Date | Domain | IP |
| ironport02.jhhc.com | 2025-09-09 | 162.129.22.137 |
| remote2.jhhc.com | 2026-01-22 | 162.129.22.53 |
| pra.jhhc.com | 2026-01-22 | 162.129.22.133 |
| epiccarewhrprd.jhhc.com | 2025-09-10 | 162.129.22.23 |
| obtestenclave.jhhc.com | 2025-11-14 | 162.129.22.41 |
| preauth.jhhc.com | 2025-05-12 | 104.18.33.201 |
| api.jhhc.com | 2025-09-04 | 162.129.22.49 |
| epiccarelink.jhhc.com | 2025-09-09 | 162.129.22.21 |
| email.jhhc.com | 2025-06-30 | 12.181.141.83 |
| preauthorizationtool.jhhc.com | 2026-01-22 | 209.235.202.120 |
| im.jhhc.com | 2025-06-13 | 12.181.141.67 |
| jmap.jhhc.com | 2026-01-01 | 12.181.141.146 |
| epiccarewhrnp.jhhc.com | 2025-09-04 | 162.129.22.22 |
| epicproxynp.jhhc.com | 2025-09-13 | 162.129.22.27 |
| viewdr.jhhc.com | 2025-09-09 | 12.155.52.100 |
| support.jhhc.com | 2026-01-10 | 162.129.22.129 |
| api-test.jhhc.com | 2025-09-04 | 162.129.22.39 |
| dmzoptumwebtest.jhhc.com | 2025-09-09 | 162.129.22.44 |
| remotetest.jhhc.com | 2025-09-20 | 12.155.52.80 |
| availitytest.jhhc.com | 2025-09-09 | 162.129.22.47 |
| www.jhhc.com | 2025-08-13 | 128.220.192.230 |