IP subnet calculator

83.220.236.0-83.220.238.139

83.220.238.0-83.220.238.127
83.220.238.0/25

83.220.238.128-83.220.238.135
83.220.238.128/29

83.220.238.136-83.220.238.139
83.220.238.136/30

83.220.236.0-83.220.237.255
83.220.236.0/23