Network address
81.0.0.0
Prefix length
12 (255.240.0.0)
Range
81.0.0.0 - 81.15.255.255
Hexadecimal
51000000
Binary
01010001 00000000 00000000 00000000
Binary subnet mask
11111111 11110000 00000000 00000000
Number of hosts
1,048,576
Parent subnet
81.0.0.0/11🔍
Previous subnet
80.240.0.0/12🔍
Next subnet
81.16.0.0/12🔍