online CIDR and IP subnet calculator : Check host

109.254.254.18-109.254.254.19
109.254.254.18/31

109.254.254.20-109.254.254.23
109.254.254.20/30

109.254.254.24-109.254.254.31
109.254.254.24/29

109.254.254.32-109.254.254.63
109.254.254.32/27

109.254.254.64-109.254.254.127
109.254.254.64/26

109.254.254.128-109.254.254.255
109.254.254.128/25

109.254.255.0-109.254.255.255
109.254.255.0/24

IP subnet calculator 109.254.254.18-109.254.255.255