/20 Subnet Guide
Learn what a /20 IPv4 subnet means, including subnet mask, total addresses and usable hosts.
/20 CIDR Details
CIDR/20
Subnet Mask255.255.240.0
Total Addresses4,096
Usable Hosts4,094
Explanation: A /20 prefix uses 20 bits for the network and 12 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.