/23 Subnet Guide
Learn what a /23 IPv4 subnet means, including subnet mask, total addresses and usable hosts.
/23 CIDR Details
CIDR/23
Subnet Mask255.255.254.0
Total Addresses512
Usable Hosts510
Explanation: A /23 prefix uses 23 bits for the network and 9 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.