Network address
81.0.0.0
Prefix length
10
Range
81.0.0.0 - 81.63.255.255
Hexadecimal
51000000
Binary
01010001 00000000 00000000 00000000
Binary subnet mask
11111111 11000000 00000000 00000000
Number of hosts
4,194,304
Parent subnet
81.0.0.0/9🔍
Previous subnet
80.192.0.0/10🔍
Next subnet
81.64.0.0/10🔍