/27 Subnet Guide
Learn what a /27 IPv4 subnet means, including subnet mask, total addresses and usable hosts.
/27 CIDR Details
CIDR/27
Subnet Mask255.255.255.224
Total Addresses32
Usable Hosts30
Explanation: A /27 prefix uses 27 bits for the network and 5 bits for host addresses.
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This page is useful for subnet planning, CCNA study, MikroTik IP addressing, VLAN design and firewall documentation.