Burak Delice
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Home
About
Network Tools
Subnet Calculator
IP / CIDR Lookup
Port Checker
Mail Tools
Blacklist Checker
SPF / DKIM / DMARC
SMTP Tester
Header Analyzer
Utilities
Base64 Encoder
Uptime / SLA
Password Generator ↗
// Network Tool
Subnet
Calculator
IP Address
Prefix / Mask
/8 — 255.0.0.0
/9 — 255.128.0.0
/10 — 255.192.0.0
/11 — 255.224.0.0
/12 — 255.240.0.0
/13 — 255.248.0.0
/14 — 255.252.0.0
/15 — 255.254.0.0
/16 — 255.255.0.0
/17 — 255.255.128.0
/18 — 255.255.192.0
/19 — 255.255.224.0
/20 — 255.255.240.0
/21 — 255.255.248.0
/22 — 255.255.252.0
/23 — 255.255.254.0
/24 — 255.255.255.0
/25 — 255.255.255.128
/26 — 255.255.255.192
/27 — 255.255.255.224
/28 — 255.255.255.240
/29 — 255.255.255.248
/30 — 255.255.255.252
/31 — 255.255.255.254
/32 — 255.255.255.255
Calculate
Results — click any value to copy
Address space utilization (usable hosts / total)
0