ALL 서브넷마스크 계산기 IP 범위 확인
IP주소를입력하고서브넷을선택하고계산하기를누르면정보가표시됩니다./32 (/255.255.255.255)/31 (/255.255.255.254)/30 (/255.255.255.252)/29 (/255.255.255.248)/28 (/255.255.255.240)/27 (/255.255.255.224)/26 (/255.255.255.192)/25 (/255.255.255.128)/24 (/255.255.255.0)/23 (/255.255.254.0)/22 (/255.255.252.0)/21 (/255.255.248.0)/20 (/255....