Webmaster Tools » IP Subnet Calculator
IP Subnet Calculator
Calculation Results
CIDR range An IP address range represented in CIDR notation. | 31.13.64.0/18 |
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Network range An IP address range represented as the minimum and maximum IP addresses. | 31.13.64.0 - 31.13.127.255 |
Network address An IP network address is a special IP address used to identify a network. It is the first IP address in the network with zero host bits. | 31.13.64.0 |
Usable host IP range | 31.13.64.1 - 31.13.127.254 |
Broadcast address A broadcast address is a special IP address used to transmit messages and data packets to all the hosts in the network. | 31.13.127.255 |
Total number of addresses | 16,384 (16.3 thousand) |
Number of usable hosts | 16,382 |
Subnet mask | 255.255.192.0 |
Wildcard mask | 0.0.63.255 |
Address space All IP addresses are divided into public and private. Public (or global, external, WAN) IP addresses can be accessed over the internet. Private (or local, internal, LAN) IP addresses are used in the private network and not publicly routed. Also, there are several blocks of reserved IP addresses. | Public |
Integer range | 520962048 - 520978431 |
What is IP Subnet Calculator?
IP Subnet Calculator is a free online tool designed to calculate the network address, usable host IP range, broadcast address, and the subnet and wildcard masks. It can also help to estimate the subnet size by reporting the total number of addresses and the number of usable hosts.