Network address
129.21.20.0
Prefix length
23 (255.255.254.0)
Range
129.21.20.0 - 129.21.21.255
Hexadecimal
81151400
Binary
10000001 00010101 00010100 00000000
Binary subnet mask
11111111 11111111 11111110 00000000
Number of hosts
512
Parent subnet
129.21.20.0/22🔍
Previous subnet
129.21.18.0/23🔍
Next subnet
129.21.22.0/23🔍