online CIDR and IP subnet calculator : Check host

66.39.41.0-66.39.41.63
66.39.41.0/26

66.39.41.64-66.39.41.79
66.39.41.64/28

66.39.41.80-66.39.41.81
66.39.41.80/31

66.39.4.0-66.39.7.255
66.39.4.0/22

66.39.8.0-66.39.15.255
66.39.8.0/21

66.39.16.0-66.39.31.255
66.39.16.0/20

66.39.32.0-66.39.39.255
66.39.32.0/21

66.39.40.0-66.39.40.255
66.39.40.0/24

IP subnet calculator 66.39.4.0-66.39.41.81