| Date | IP Address |
| 2025-07-09 | 104.18.36.53 (ClassC) |
| 2026-01-08 | 172.64.151.203 (ClassC) |
| Date | Domain | IP |
| fallback.attntags.com | 2025-08-03 | 172.64.148.189 |
| cc2.dev.attntags.com | 2025-08-13 | 104.18.36.53 |
| ja4.dev.attntags.com | 2025-08-13 | 172.64.151.203 |
| cc.dev.attntags.com | 2025-07-09 | 104.18.36.53 |
| fp.dev.attntags.com | 2025-08-12 | 104.18.36.53 |