SubnetCal vs NetBits

SubNetCalc is your all-in-one subnet calculator for IPv4 and IPv6. Whether you're a networking student or a seasoned IT professional, SubNetCalc helps you calculate network ranges, broadcast addresses, and host capacity using CIDR notation. With real-time validation and educational guides, you’ll master subnetting in no time. Upgrade to premium for IPv6 support, subnet visualization, PDF/CSV export, iCloud sync, and scanning your local network for active IPs. Features include: IPv4 Subnet Calculator with CIDR and Mask support Real-time IP and CIDR input validation Convert between CIDR and Subnet Masks Visual subnet breakdown (Premium) IPv6 support and Ping Scanner (Premium) Export results to PDF/CSV (Premium) iCloud sync for calculation history (Premium) Terms of Use: https://sites.google.com/view/paid-application-terms-of-use/%ED%99%88 Privacy Policy : https://sites.google.com/view/app0private/%ED%99%88 Contact Email : hesung0805@gmail.com

NetBits is a fast, no-nonsense IP subnet calculator. Enter an IPv4 address and subnet mask — or just type CIDR notation like 192.168.1.10/24 — and instantly get: • Network and broadcast address • Wildcard mask • Usable host range (min / max) • Number of usable hosts • Binary representation of the address and mask Built for network engineers, sysadmins, students, and anyone who needs quick, accurate subnet math without ads or clutter. FEATURES — CIDR notation input — Binary address/mask view — Copy any value with a long press — Light and Dark mode — English and Russian PRIVACY NetBits works fully offline. No accounts, no analytics, no data collection — ever.