In IP networking, a private network is a network that uses private IP address space. Both the IPv4 and the IPv6 specifications define private IP address ranges. These addresses are commonly used for local area networks (LANs) in residential, office, and enterprise environments.

Class B Space is denoted in numbers of Class C's; Ripe Subnet # of Class C's /23: 255.255.254.0: 2 /22: 255.255.252.0: 4 /21: 255.255.248.0: 8 /20: 255.255.240.0: 16 ABOUT SUBNET CALCULATOR. 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. 74.125.227.0, then select Optional Mask from dropdown. This is a useful feature for service providers and network operator who frequently allocate and work with subnets. Network # IP Range Broadcast.0.1-.2.3.4.5-.6.7.8.9-.10.11.12.13-.14.15.16.17-.18.19.20.21-.22.23.24.25-.26.27.28.29-.30.31.32.33-.34.35.36.37-.38 IPv6 Subnet Chart. The subnet mask cheat sheet units is based on IEC 60027-2: Y = 1,208,925,819,614,629,174,706,176; Z = 1,180,591,620,717,411,303,424; E = 1,152,921,504,606,846,976; T = 1,099,511,627,776; G = 1,073,741,824; M = 1,048,576; K = 1,024. In a valid subnet mask network part is represented with "1" from left side followed and ended by host part "0" - 11111111.11111111.11111111.00000000 (binary form), 255.255.255.0 (dotted-decimal form) or simply "/24" (where 24 represents that subnet network part is 24 bits long). Subnet calculator allows calculation for 255.255.255.254. Host Bits Class: Size: Subnet Mask: Range of IPs: Class A: 10.0.0.0/8: 255.0.0.0: 10.0.0.0 - 10.255.255.255: Class B: 172.16.0.0/12: 255.240.0.0: 172.16.0.0 - 172.31.255.255

Jul 15, 2020 · Your subnetting address allocation will divide up the available range of addresses into a range reserved for each subnet. The valid address range for a subnet always starts with an even number and ends with an odd number. The first number of the range is designated as the Network ID.

The subnet calculator is a handy tool for finding the number of possible subnets for any given network address block. You can choose the combination of subnets and number of hosts per subnet that suits your network and get the host address range and broadcast address for any given subnet mask.

This calculator can crash your browser if you attempt to have it calculate billions of subnets! Because of this, only the first 999 subnets are displayed. Use the above calculator to plan your IPv6 networks. Because of the huge size of IPv6, we do not care about the number of hosts in a network. Remember, that the smallest recommended subnet is

Jun 23, 2017 · Fortunately for you, Colocation America has your back with our IP range calculator suitable for all ages! Just plug in your IP range to figure out your subnet mask, IPv4/6 range, and the amount of usable IPs. Now, let’s get into the nitty-gritty. The calculator is useful because it does the work for you. IP Calculator. ipcalc takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range. By giving a second netmask, you can design subnets and supernets. It is also intended to be a teaching tool and presents the subnetting results as easy-to-understand binary values. The subnet mask specifies the range of the ip addresses in a group. The subnet mask looks a lot like an ip address. It is made up of four eight bit numbers separated by periods. These numbers once again range from 0 to 255. A typical subnet mask is 255.255.255.0. There are a couple intresting things about subnet masks.