| Date | IP Address |
| 2025-05-02 | 90.115.201.91 (ClassC) |
| Date | Domain | IP |
| sip.iss.soprasteria.com | 2025-04-16 | 90.115.201.35 |
| lyncdiscover.iss.soprasteria.com | 2025-04-26 | 90.115.201.91 |
| autodiscover.iss.soprasteria.com | 2025-05-02 | 90.115.201.86 |
| sip.ext.iss.soprasteria.com | 2024-11-06 | 90.115.201.36 |
| lyncdiscover.ext.iss.soprasteria.com | 2025-05-02 | 90.115.201.91 |
| autodiscover.ext.iss.soprasteria.com | 2024-08-09 | 52.96.223.56 |