| Date | IP Address |
| 2023-07-17 | 18.160.200.45 (ClassC) |
| 2024-07-03 | 3.161.150.7 (ClassC) |
| 2024-09-28 | 99.84.66.60 (ClassC) |
| 2025-02-11 | 99.84.66.123 (ClassC) |
| 2025-03-06 | 18.172.170.53 (ClassC) |
| 2025-03-16 | 18.172.170.123 (ClassC) |
| 2025-04-21 | 3.175.34.37 (ClassC) |
| Date | Domain | IP |
| prod-hound.prod.a.bill.com | 2025-04-17 | 99.84.66.13 |
| api.perf.a.bill.com | 2024-09-28 | 99.84.66.60 |
| www-ctu.cs.a.bill.com | 2024-07-26 | 35.164.114.125 |
| dev.a.bill.com | 2025-04-12 | 8.8.8.8 |
| app-example.dev.a.bill.com | 2025-01-11 | 18.161.6.104 |
| auth.dev.a.bill.com | 2025-01-23 | 18.161.6.28 |
| api.dev.a.bill.com | 2024-09-14 | 18.161.6.33 |