IP subnet calculator

78.28.113.0-78.28.127.255

78.28.113.0-78.28.113.255
78.28.113.0/24

78.28.114.0-78.28.115.255
78.28.114.0/23

78.28.116.0-78.28.119.255
78.28.116.0/22

78.28.120.0-78.28.127.255
78.28.120.0/21