Network address
81.0.0.0
Prefix length
17 (255.255.128.0)
Range
81.0.0.0 - 81.0.127.255
Hexadecimal
51000000
Binary
01010001 00000000 00000000 00000000
Binary subnet mask
11111111 11111111 10000000 00000000
Number of hosts
32,768
Parent subnet
81.0.0.0/16🔍
Previous subnet
80.255.128.0/17🔍
Next subnet
81.0.128.0/17🔍