| Date | IP Address |
| 2016-02-10 | 104.28.12.15 (ClassC) |
| 2016-02-13 | 104.28.13.15 (ClassC) |
| 2018-04-25 | 198.61.251.14 (ClassC) |
| 2020-09-14 | 157.230.35.153 (ClassC) |
| 2023-08-27 | 35.199.181.187 (ClassC) |
| 2024-07-06 | 52.9.166.110 (ClassC) |
| 2024-08-04 | 50.18.142.31 (ClassC) |
| 2024-09-11 | 13.57.148.141 (ClassC) |
| 2024-12-09 | 34.234.106.80 (ClassC) |
| 2024-12-27 | 100.28.201.155 (ClassC) |
| 2025-01-12 | 54.215.62.21 (ClassC) |
| 2025-06-19 | 13.52.115.166 (ClassC) |
| 2026-02-21 | 13.52.188.95 (ClassC) |
| Date | Domain | IP |
| api.grumpycats.com | 2025-04-22 | 104.21.2.79 |
| cdn.grumpycats.com | 2013-09-17 | 108.161.189.3 |