🎓 PTSA / Netacad VLSM Helper
🧮 Network Calculator
Enter maximum usable hosts and optionally choose a preferred starting IPv4 address.
Choose the PTSA helper for LAN-wise VLSM allocation or use the general network calculator to generate IP ranges, subnet mask and usable host details.
Please select one option. According to your selection, the suitable calculator form will open on the next screen.