| Date | IP Address |
| 2020-09-19 | 44.236.166.124 (ClassC) |
| 2025-12-19 | 52.88.35.178 (ClassC) |
| 2026-01-06 | 52.39.197.184 (ClassC) |
| 2026-01-18 | 44.253.98.11 (ClassC) |
| Date | Domain | IP |
| prod-hound.prod.a.bill.com | 2025-08-06 | 99.84.66.52 |
| api.preprod.a.bill.com | 2025-12-11 | 18.161.6.5 |
| teststarmail.preprod.a.bill.com | 2025-10-16 | 44.240.128.218 |
| awstestapp.preprod.a.bill.com | 2025-12-19 | 52.88.35.178 |
| api.stage.a.bill.com | 2025-09-16 | 99.84.66.41 |
| 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 |
| artifactory.devops.a.bill.com | 2025-10-06 | 100.21.7.41 |
| dev.a.bill.com | 2025-12-31 | 8.8.8.8 |
| dev-hound.dev.a.bill.com | 2025-09-05 | 3.163.24.107 |
| app-example.dev.a.bill.com | 2025-05-03 | 18.161.6.104 |
| auth.dev.a.bill.com | 2025-03-06 | 18.172.170.91 |
| api.dev.a.bill.com | 2024-09-14 | 18.161.6.33 |