Network address
121.139.21.128
Prefix length
28 (255.255.255.240)
Range
121.139.21.128 - 121.139.21.143
Hexadecimal
798b1580
Binary
01111001 10001011 00010101 10000000
Binary subnet mask
11111111 11111111 11111111 11110000
Number of hosts
16
Parent subnet
121.139.21.128/27🔍
Previous subnet
121.139.21.112/28🔍
Next subnet
121.139.21.144/28🔍