| Date | IP Address |
| 2016-04-25 | 23.2.16.80 (ClassC) |
| 2016-08-11 | 165.254.114.24 (ClassC) |
| 2016-09-14 | 23.215.104.99 (ClassC) |
| 2016-11-30 | 64.86.132.16 (ClassC) |
| 2018-08-27 | 23.48.94.35 (ClassC) |
| 2018-09-14 | 104.91.167.42 (ClassC) |
| 2019-06-04 | 23.56.175.184 (ClassC) |
| 2019-08-13 | 23.220.96.88 (ClassC) |
| 2019-10-14 | 23.220.96.16 (ClassC) |
| 2019-11-08 | 23.56.175.168 (ClassC) |
| 2019-11-25 | 23.56.168.216 (ClassC) |
| 2019-11-25 | 23.56.168.225 (ClassC) |
| 2019-12-11 | 23.42.158.24 (ClassC) |
| 2020-02-23 | 165.254.95.0 (ClassC) |
| 2020-06-19 | 23.53.127.33 (ClassC) |
| 2020-08-13 | 23.219.36.34 (ClassC) |
| 2020-10-07 | 104.94.100.192 (ClassC) |
| 2021-01-05 | 23.48.210.99 (ClassC) |
| 2021-02-18 | 2.17.43.16 (ClassC) |
| 2021-11-23 | 23.66.127.175 (ClassC) |
| 2024-02-20 | 104.96.163.196 (ClassC) |
| 2024-06-11 | 23.46.17.6 (ClassC) |
| 2024-09-07 | 23.46.17.13 (ClassC) |
| 2024-11-25 | 23.46.17.52 (ClassC) |
| 2024-12-02 | 104.70.127.33 (ClassC) |
| 2024-12-24 | 23.46.228.170 (ClassC) |
| 2025-01-14 | 23.44.175.148 (ClassC) |
| Date | Domain | IP |
| byosphere.cytomx.com | 2024-12-26 | 146.148.38.73 |
| www.byosphere.cytomx.com | 2024-12-23 | 146.148.38.73 |
| 11mail.cytomx.com | 2024-12-26 | 146.148.38.73 |
| ir.cytomx.com | 2024-02-20 | 104.96.163.196 |
| www.cytomx.com | 2014-12-05 | 66.147.244.132 |