IP subnet calculator

78.46.20.127-78.46.21.5

78.46.20.127-78.46.20.127
78.46.20.127/32

78.46.20.128-78.46.20.255
78.46.20.128/25

78.46.21.0-78.46.21.3
78.46.21.0/30

78.46.21.4-78.46.21.5
78.46.21.4/31