Calculate network address, broadcast address, and IP range with CIDR notation
CIDR (Classless Inter-Domain Routing) is a notation used to compactly represent IP addresses and network masks. For example, 192.168.1.0/24 covers 256 IP addresses from 192.168.1.0 to 192.168.1.255. The number after the slash (prefix length) indicates the number of bits that define the network portion.
CIDR notation is frequently used in proxy server management. In ProxyTurk ISP IPv4 and IPv6 proxy packages, you can use CIDR notation to define and manage IP ranges. This tool will help you with subnet calculation, whitelist/blacklist definition, and network planning.
Common questions about IP range calculation and their answers
A subnet mask is a 32-bit value that separates the network portion from the host portion of an IP address. For example, the subnet mask 255.255.255.0 (/24) indicates the first 24 bits are the network address and the last 8 bits are the host address.
In CIDR notation, the number after the / indicates the network prefix length. For example, /24 means 256 IP addresses; /32 means a single IP address. As the number decreases, the number of IPs in the network increases.
The network address is the first address in a subnet and identifies the network. The broadcast address is the last address and is used to send packets to all devices on the network. Neither can be assigned to hosts.
The network and broadcast addresses are subtracted from the total IP count. In a /24 subnet, 256 total IPs minus 2 gives 254 usable IPs. In a /32 subnet, there is only one usable IP.
By entering the subnet information from your proxy provider, you can see how many IP addresses you have, the first and last usable IPs, and the complete IP list. ProxyTurk offers 512+ different /24 subnets.