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The subnet calculator lets you enter a subnet range (CIDR) and see IP address information about that range You can type your range directly in CIDR notation, or use the optional Mask pull-down: 74.125.227.0/29.
Calculate IPv4 and IPv6 subnets, network addresses, subnet masks, and more with this online tool. Enter an IP address and a prefix length to get detailed information about the subnet and its hosts.
Calculate CIDR networks using IP address, subnet mask, mask bits, and required subnets and addresses. Learn about CIDR, IP address aggregation, and CIDR notation with examples and explanations.
Interactive tool for IP and CIDR calculations. Visualize subnet analysis and IP ranges. Educational resource for network planning and IT learning.
Calculate subnets, masks, and hosts for IP addresses or CIDR blocks with this online tool. Download a free subnet chart PDF or use the API for your projects.
IP Subnet Calculator tool divides a given IPv4 or IPv6 address network into the subnetworks by calculating helpful information like a Netmask, CIDR, Block size, Broadcast address, First IP, and Last IP, Network address, Prefix length, and Cisco wildcard mask.
Results of the subnet calculation provide the hexadecimal IP address, the wildcard mask, for use with ACL (Access Control Lists), subnet ID, broadcast address, the subnet address range for the resulting subnet network and a subnet bitmap. For classless supernetting, please use the CIDR Calculator.
