Network address
81.0.0.0
Prefix length
11 (255.224.0.0)
Range
81.0.0.0 - 81.31.255.255
Hexadecimal
51000000
Binary
01010001 00000000 00000000 00000000
Binary subnet mask
11111111 11100000 00000000 00000000
Number of hosts
2,097,152
Parent subnet
81.0.0.0/10🔍
Previous subnet
80.224.0.0/11🔍
Next subnet
81.32.0.0/11🔍