IP subnet calculator

148.251.0.0-148.251.70.255

148.251.0.0-148.251.63.255
148.251.0.0/18

148.251.64.0-148.251.67.255
148.251.64.0/22

148.251.68.0-148.251.69.255
148.251.68.0/23

148.251.70.0-148.251.70.255
148.251.70.0/24