子网 CIDR 计算器
1Free subnet calculator: enter an IPv4 address and CIDR prefix (like 192.168.1.0/24) to get the network address, broadcast, subnet mask, usable host range and number of hosts.
IPv4 only. Everything is calculated in your browser.
Free subnet calculator: enter an IPv4 address and CIDR prefix (like 192.168.1.0/24) to get the network address, broadcast, subnet mask, usable host range and number of hosts.
IPv4 only. Everything is calculated in your browser.