Network address
66.128.0.0
Prefix length
9 (255.128.0.0)
Range
66.128.0.0 - 66.255.255.255
Hexadecimal
42800000
Binary
01000010 10000000 00000000 00000000
Binary subnet mask
11111111 10000000 00000000 00000000
Number of hosts
8,388,608
Parent subnet
66.0.0.0/8🔍
Previous subnet
66.0.0.0/9🔍