서브넷 마스크 계산기

IPv4 주소:
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서브넷 마스크: /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 (255.255.240.0)/19 (255.255.224.0)/18 (255.255.192.0)/17 (255.255.128.0)/16 (255.255.0.0)/15 (255.254.0.0)/14 (255.252.0.0)/13 (255.248.0.0)/12 (255.240.0.0)/11 (255.224.0.0)/10 (255.192.0.0)/9 (255.128.0.0)/8 (255.0.0.0)/7 (254.0.0.0)/6 (252.0.0.0)/5 (248.0.0.0)/4 (240.0.0.0)/3 (224.0.0.0)/2 (192.0.0.0)/1 (128.0.0.0)