IP subnet calculator

66.29.130.0-66.29.146.255

66.29.130.0-66.29.131.255
66.29.130.0/23

66.29.132.0-66.29.135.255
66.29.132.0/22

66.29.136.0-66.29.143.255
66.29.136.0/21

66.29.144.0-66.29.145.255
66.29.144.0/23

66.29.146.0-66.29.146.255
66.29.146.0/24