Network address
129.21.0.0
Prefix length
20 (255.255.240.0)
Range
129.21.0.0 - 129.21.15.255
Hexadecimal
81150000
Binary
10000001 00010101 00000000 00000000
Binary subnet mask
11111111 11111111 11110000 00000000
Number of hosts
4,096
Parent subnet
129.21.0.0/19🔍
Previous subnet
129.20.240.0/20🔍
Next subnet
129.21.16.0/20🔍