Network address
81.91.0.0
Prefix length
20 (255.255.240.0)
Range
81.91.0.0 - 81.91.15.255
Hexadecimal
515b0000
Binary
01010001 01011011 00000000 00000000
Binary subnet mask
11111111 11111111 11110000 00000000
Number of hosts
4,096
Parent subnet
81.91.0.0/19🔍
Previous subnet
81.90.240.0/20🔍
Next subnet
81.91.16.0/20🔍