Network address
81.0.0.0
Prefix length
8
Range
81.0.0.0 - 81.255.255.255
Hexadecimal
51000000
Binary
01010001 00000000 00000000 00000000
Binary subnet mask
11111111 00000000 00000000 00000000
Number of hosts
16,777,216
Parent subnet
80.0.0.0/7🔍
Previous subnet
80.0.0.0/8🔍