/18 Subnet Guide
Learn what a /18 IPv4 subnet means, including subnet mask, total addresses and usable hosts.
/18 CIDR Details
CIDR/18
Subnet Mask255.255.192.0
Total Addresses16,384
Usable Hosts16,382
Explanation: A /18 prefix uses 18 bits for the network and 14 bits for host addresses.
Try /18 in the calculator
Use this calculator to test a real IP address with a /18 subnet.
Open CalculatorCommon uses for /18
This page is useful for subnet planning, CCNA study, MikroTik IP addressing, VLAN design and firewall documentation.