CIDR. Subnet Mask. Total IPs. Usable IPs /32: 255.255.255.255: 1: 1 /31: 255.255.255.254: 2: 2* /30: 255.255.255.252: 4: 2 /29: 255.255.255.248: 8: 6 /28: 255.255.255

Azure VPN Gateway: configuration settings | Microsoft Docs While you can create a gateway subnet as small as /29, we recommend that you create a gateway subnet of /27 or larger (/27, /26 etc.) if you have the available address space to do so. This will accommodate most configurations. The following Resource Manager PowerShell example shows a gateway subnet named GatewaySubnet. What is Subnetting? This is a single subnet with a subnet mask of 255.255.255.0. If you started off with a range of 192.168.0.0/16 (which is the full range of private class C addresses), and you want to separate this range into /24 subnets, then this means that you can have up to 256 networks with 256 addresses (254 without network and broadcast) in each. IPv6 - Subnetting - Tutorialspoint

Available Hosts per Subnet

The subnet calculator allows a subnet ID to have its final octet equal to the final octet of its subnet mask - for example, a class C network address of 192.168.0.192 with a subnet mask of 255.255.255.192 is permitted. The above is generally accepted as being 'normal', however, certification students should keep in mind that, in some Guide to Subnet Mask (Subnetting) & IP Subnet Calculator Subnet mask– 255.255.255.248 (binary) 11111111.11111111.11111111.11111000 (decimal notation) From the decimal notation we can calculate the number of bits having 1 in each octet: 8+8+8+5= 29. Thus the Subnet mask can be denoted as /29. With Network ID it can be denoted as 192.168.1.9/29. Classless Inter-Domain Routing - Wikipedia

ip - Why do I get 8 addresses and 6 hosts on a /29 subnet

Oct 18, 2019 Azure VPN Gateway: configuration settings | Microsoft Docs While you can create a gateway subnet as small as /29, we recommend that you create a gateway subnet of /27 or larger (/27, /26 etc.) if you have the available address space to do so. This will accommodate most configurations. The following Resource Manager PowerShell example shows a gateway subnet named GatewaySubnet. What is Subnetting? This is a single subnet with a subnet mask of 255.255.255.0. If you started off with a range of 192.168.0.0/16 (which is the full range of private class C addresses), and you want to separate this range into /24 subnets, then this means that you can have up to 256 networks with 256 addresses (254 without network and broadcast) in each. IPv6 - Subnetting - Tutorialspoint