online CIDR and IP subnet calculator : Check host

123.123.98.0-123.123.99.255
123.123.98.0/23

123.123.100.0-123.123.103.255
123.123.100.0/22

123.123.104.0-123.123.111.255
123.123.104.0/21

123.123.112.0-123.123.127.255
123.123.112.0/20

123.123.128.0-123.123.131.255
123.123.128.0/22

123.123.132.0-123.123.133.255
123.123.132.0/23

123.123.134.0-123.123.134.255
123.123.134.0/24

IP subnet calculator 123.123.98.0-123.123.134.255