Subnet Calculator

Calculate How Many Subnets you need..

IP to Binary

Ip to Binary Converter..

IPv4 Validator

Validate if an ip is a valid ipv4 addres..

ip class checker

Check to see the class of an ip address...

Subnet Mask to Wildcard Mask

Subnet Mask to Wildcard Mask Converter



What is a Wildcard Mask

Wildcard Mask is inverse subnet mask which is used to determine the range of network addresses. Wildcard masks are 32 bits in length. Wildcard Masks are used for ACL rules and OSPF routing processes.