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Subnet Calc
Ping Tool
Subnet
Calculator
Calculate subnets, split networks, and plan IP allocations
IP Address
CIDR / Prefix
/8 — 16,777,214 hosts
/16 — 65,534 hosts
/20 — 4,094 hosts
/21 — 2,046 hosts
/22 — 1,022 hosts
/23 — 510 hosts
/24 — 254 hosts
/25 — 126 hosts
/26 — 62 hosts
/27 — 30 hosts
/28 — 14 hosts
/29 — 6 hosts
/30 — 2 hosts
/31 — 2 hosts (p2p)
/32 — 1 host
Calculate
Network Address
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Subnet Mask
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Wildcard Mask
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Gateway (First Usable)
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Last Usable
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Broadcast
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Usable Hosts
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Total IPs
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CIDR Notation
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IP Class
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IP Type
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Binary Mask
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Binary Breakdown
IP
Mask
Network
Broadcast
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