| Date | IP Address |
| 2025-02-06 | 50.225.57.101 (ClassC) |
| Date | Domain | IP |
| town.billerica.ma.us | 2024-11-28 | 208.90.191.113 |
| mail.town.billerica.ma.us | 2025-02-06 | 50.225.57.101 |
| autodiscover.town.billerica.ma.us | 2024-11-29 | 52.96.223.56 |
| www.town.billerica.ma.us | 2024-11-29 | 208.90.191.113 |