| Date | IP Address |
| 2022-01-13 | 192.29.105.247 (ClassC) |
| 2024-09-28 | 130.35.103.62 (ClassC) |
| 2025-01-27 | 147.154.3.128 (ClassC) |
| 2025-06-29 | 147.154.119.19 (ClassC) |
| 2025-07-30 | 147.154.112.73 (ClassC) |
| 2025-08-14 | 192.29.152.167 (ClassC) |
| 2025-09-01 | 147.154.116.181 (ClassC) |
| 2025-11-30 | 192.29.107.131 (ClassC) |
| 2025-12-07 | 147.154.1.1 (ClassC) |
| Date | Domain | IP |
| pshrselfservice.syneoshealth.com | 2025-11-09 | 172.64.153.88 |
| interchange.syneoshealth.com | 2024-08-04 | 147.154.116.181 |
| pshrstg.syneoshealth.com | 2025-04-30 | 104.18.34.168 |
| ecdn.syneoshealth.com | 2025-12-04 | 3.169.173.12 |
| integration.syneoshealth.com | 2025-06-30 | 104.18.34.168 |
| presentation.syneoshealth.com | 2025-06-30 | 172.64.147.4 |
| optibotneo.syneoshealth.com | 2023-08-26 | 172.64.145.69 |
| go.syneoshealth.com | 2024-10-03 | 34.237.219.119 |
| sftp.syneoshealth.com | 2024-11-24 | 4.34.235.175 |
| autodiscover.syneoshealth.com | 2023-08-26 | 52.96.113.248 |
| investor.syneoshealth.com | 2024-07-05 | 104.18.42.187 |
| www.investor.syneoshealth.com | 2025-09-29 | 172.64.153.88 |
| commercialcareers.syneoshealth.com | 2025-01-12 | 104.17.129.199 |
| interchangetest.syneoshealth.com | 2024-09-28 | 130.35.103.62 |
| optibotneo-dev.syneoshealth.com | 2023-08-26 | 104.18.42.187 |
| apidev.syneoshealth.com | 2025-09-12 | 104.18.35.7 |
| www.syneoshealth.com | 2025-08-14 | 172.64.154.26 |
| ebsdev1ex.syneoshealth.com | 2025-06-06 | 104.18.34.168 |
| ebsprdex.syneoshealth.com | 2024-10-05 | 40.122.165.147 |
| ebsstgex.syneoshealth.com | 2024-11-22 | 104.18.41.2 |