online CIDR and IP subnet calculator : Check host

66.84.6.0-66.84.7.255
66.84.6.0/23

66.84.8.0-66.84.15.255
66.84.8.0/21

66.84.16.0-66.84.31.255
66.84.16.0/20

66.84.32.0-66.84.47.255
66.84.32.0/20

66.84.48.0-66.84.55.255
66.84.48.0/21

66.84.56.0-66.84.59.255
66.84.56.0/22

66.84.60.0-66.84.61.255
66.84.60.0/23

66.84.62.0-66.84.62.255
66.84.62.0/24

IP subnet calculator 66.84.6.0-66.84.62.255