/17 Subnet Guide
Learn what a /17 IPv4 subnet means, including subnet mask, total addresses and usable hosts.
/17 CIDR Details
CIDR/17
Subnet Mask255.255.128.0
Total Addresses32,768
Usable Hosts32,766
Explanation: A /17 prefix uses 17 bits for the network and 15 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.