IP subnet calculator

139.196.147.0-139.196.167.255

139.196.147.0-139.196.147.255
139.196.147.0/24

139.196.148.0-139.196.151.255
139.196.148.0/22

139.196.152.0-139.196.159.255
139.196.152.0/21

139.196.160.0-139.196.167.255
139.196.160.0/21