Advanced Subnet Calculator
Calculate subnet masks, network addresses, and more
IPv4
CIDR
Binary
IP Address
.
.
.
Subnet Mask
255.255.255.255 (/32)
255.255.255.254 (/31)
255.255.255.252 (/30)
255.255.255.248 (/29)
255.255.255.240 (/28)
255.255.255.224 (/27)
255.255.255.192 (/26)
255.255.255.128 (/25)
255.255.255.0 (/24)
255.255.254.0 (/23)
255.255.252.0 (/22)
255.255.248.0 (/21)
255.255.240.0 (/20)
255.255.224.0 (/19)
255.255.192.0 (/18)
255.255.128.0 (/17)
255.255.0.0 (/16)
255.254.0.0 (/15)
255.252.0.0 (/14)
255.248.0.0 (/13)
255.240.0.0 (/12)
255.224.0.0 (/11)
255.192.0.0 (/10)
255.128.0.0 (/9)
255.0.0.0 (/8)
254.0.0.0 (/7)
252.0.0.0 (/6)
248.0.0.0 (/5)
240.0.0.0 (/4)
224.0.0.0 (/3)
192.0.0.0 (/2)
128.0.0.0 (/1)
0.0.0.0 (/0)
Calculate Subnet
Results
Network Information
IP Address:
192.168.1.1
Subnet Mask:
255.255.255.0
CIDR Notation:
/24
Network Class:
C
Address Range
Network Address:
192.168.1.0
First Host:
192.168.1.1
Last Host:
192.168.1.254
Broadcast Address:
192.168.1.255
Address Calculations
Total Hosts:
256
Usable Hosts:
254
Wildcard Mask:
0.0.0.255
Binary Representation
IP Address:
11000000.10101000.00000001.00000001
Subnet Mask:
11111111.11111111.11111111.00000000
Subnet Information
CIDR
Subnet Mask
Wildcard
# of Hosts
Class
/32
255.255.255.255
0.0.0.0
1
-
/24
255.255.255.0
0.0.0.255
256
C
/16
255.255.0.0
0.0.255.255
65,536
B
/8
255.0.0.0
0.255.255.255
16,777,216
A