Tech/30 Subnet Mask admin1 month ago01 mins CIDR Subnet Mask Total IPs Usable hosts /30 255.255.255.252 4 2 Post navigation Previous: IPv4 and IPv6 Subnetting CalculatorNext: Oakland/Emeryville Colocation Centers Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.