| Date | IP Address |
| 2021-02-28 | 52.84.122.52 (ClassC) |
| 2021-02-28 | 52.84.122.13 (ClassC) |
| 2021-02-28 | 52.84.122.172 (ClassC) |
| 2024-08-20 | 99.84.71.160 (ClassC) |
| 2024-08-26 | 99.84.71.183 (ClassC) |
| 2024-12-31 | 3.163.174.179 (ClassC) |
| 2025-01-18 | 54.230.125.88 (ClassC) |
| 2025-01-24 | 3.163.174.184 (ClassC) |
| 2025-05-28 | 54.230.125.94 (ClassC) |
| 2025-07-18 | 54.230.125.68 (ClassC) |
| 2025-08-07 | 54.230.125.73 (ClassC) |
| Date | Domain | IP |
| trust-qa.k2.com | 2024-03-10 | 138.91.244.106 |
| mail.k2.com | 2025-05-16 | 63.214.131.109 |
| cdn.k2.com | 2024-08-20 | 99.84.71.160 |
| help.k2.com | 2025-07-15 | 13.91.126.44 |
| trust.k2.com | 2024-04-10 | 40.78.25.11 |
| trust-dev.k2.com | 2025-04-24 | 102.133.250.160 |
| www.k2.com | 2025-06-07 | 13.91.126.44 |
| community.k2.com | 2024-08-16 | 220.101.33.139 |