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IP subnet calculator
217.21.188.125-217.21.191.255

uk ru

217.21.188.125-217.21.188.125
217.21.188.125/32

217.21.188.126-217.21.188.127
217.21.188.126/31

217.21.188.128-217.21.188.255
217.21.188.128/25

217.21.189.0-217.21.189.255
217.21.189.0/24

217.21.190.0-217.21.191.255
217.21.190.0/23