CIDR Calculator — Subnet Mask, IP Range, Broadcast Address
// ipv4 subnet calculator
Enter any IPv4 address with a CIDR prefix — get the network address, broadcast, usable host range, subnet mask, wildcard mask and a per-octet bit breakdown, instantly.
cidr notation
ipv4 · prefix /0–/32
try:
results
enter a cidr block above to calculate
ipv4 cidr reference