| Date | IP Address |
| 2017-01-13 | 23.21.77.86 (ClassC) |
| 2017-09-20 | 54.225.70.24 (ClassC) |
| 2017-09-22 | 50.17.206.192 (ClassC) |
| 2017-09-22 | 54.225.199.138 (ClassC) |
| 2017-09-26 | 23.23.241.244 (ClassC) |
| 2017-10-10 | 23.23.151.35 (ClassC) |
| 2017-11-01 | 54.243.173.79 (ClassC) |
| 2018-01-08 | 23.21.74.117 (ClassC) |
| 2018-02-08 | 54.204.47.4 (ClassC) |
| 2019-09-01 | 52.1.12.216 (ClassC) |
| 2025-03-30 | 35.244.166.25 (ClassC) |
| Date | Domain | IP |
| sentry2.cos.io | 2025-02-26 | 35.190.69.186 |
| cdn.cos.io | 2024-11-23 | 99.84.66.17 |
| dev-labs.cos.io | 2025-02-01 | 35.186.239.146 |
| nessus.cos.io | 2025-01-04 | 35.186.241.198 |
| status.cos.io | 2024-10-04 | 3.165.160.30 |
| sentry2-client.cos.io | 2024-11-25 | 35.186.195.73 |
| www.cos.io | 2024-11-26 | 199.60.103.30 |
| staging-sentry.cos.io | 2025-01-08 | 35.186.241.163 |