M
MJJ Tools
Home
Developer Tool
IPv4 Subnet Calculator
🇺🇸 English
🇪🇸 Español
🇵🇹 Português
🇨🇳 中文
🇯🇵 日本語
🇺🇸 English
🇪🇸 Español
🇵🇹 Português
🇨🇳 中文
🇯🇵 日本語
IPv4 Subnet Calculator
IPv4 Subnet Calculator
Calculate IPv4 subnet details including network address, broadcast, host range, and CIDR notation
Share
Input
IPv4 Address
CIDR Prefix Length
/0
/1
/2
/3
/4
/5
/6
/7
/8
/9
/10
/11
/12
/13
/14
/15
/16
/17
/18
/19
/20
/21
/22
/23
/24
/25
/26
/27
/28
/29
/30
/31
/32
Subnet Mask
0.0.0.0 (/0)
128.0.0.0 (/1)
192.0.0.0 (/2)
224.0.0.0 (/3)
240.0.0.0 (/4)
248.0.0.0 (/5)
252.0.0.0 (/6)
254.0.0.0 (/7)
255.0.0.0 (/8)
255.128.0.0 (/9)
255.192.0.0 (/10)
255.224.0.0 (/11)
255.240.0.0 (/12)
255.248.0.0 (/13)
255.252.0.0 (/14)
255.254.0.0 (/15)
255.255.0.0 (/16)
255.255.128.0 (/17)
255.255.192.0 (/18)
255.255.224.0 (/19)
255.255.240.0 (/20)
255.255.248.0 (/21)
255.255.252.0 (/22)
255.255.254.0 (/23)
255.255.255.0 (/24)
255.255.255.128 (/25)
255.255.255.192 (/26)
255.255.255.224 (/27)
255.255.255.240 (/28)
255.255.255.248 (/29)
255.255.255.252 (/30)
255.255.255.254 (/31)
255.255.255.255 (/32)
Common Presets
/8 - 16,777,216 hosts
/16 - 65,536 hosts
/24 - 256 hosts
/25 - 128 hosts
/26 - 64 hosts
/27 - 32 hosts
/28 - 16 hosts
/29 - 8 hosts
/30 - 4 hosts
/32 - 1 host