Pdf Subnet Mask Cheat Sheet
Ipv6 is a complete and different animal as far as subnetting goes.
Pdf subnet mask cheat sheet. Subnet mask wildcard 255 1111 1111 0 0000 0000 254 1111 1110 1 0000 0001 252 1111 1100 3 0000 0011 248 1111 1000 7 0000 0111 240 1111 0000 15 0000 1111 224 1110 0000 31 0001 1111 192 1100 0000 63 0011 1111 128 1000 0000 127 0111 1111 0 0000 0000 255 1111 1111 subnet proportion classful ranges a 0 0 0 0 127 255 255 255 b 128 0 0 0 191 255. A full ip subnet cheat sheet in a table format for your day to day subnetting tasks. Subnet mask 255 1111 1111 254 1111 1110 252 1111 1100 248 1111 1000 240 1111 0000 224 1110 0000. Subnet mask cheat sheet if you are a network admin like us this is a little sheet that you will continually need access to.
In a 30 cidr subnet there are total of 4 host ips but the usable host ips are 4 2 2 this subnet is usually used in point to point link connections e g links between routers where you only need 2 ips one on each end of the point to point link. If there is nothing in the amount of a 64 column that means it is to miniscule or to massive to justify calculation. 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. In a 24 cidr subnet there are a total of 256 host ip addresses but the usable host ips are 256 2 254.
We hope you find it as helpful as we do. Ipv6 subnet cheat sheet. Subnetting cheat sheet pdf schemes and mind maps for network technologies and tcp ip. Cidr subnet mask cheat sheet we know it can be pain trying to remember which cidr notation to use or what subnet mask to enter for a specific subnet.
That s why we created this awesome looking ipv4 cidr cheat sheet for you to use. In this subnetting cheat sheet page you can view all you need about subnetting. Subnetting mask cheat sheet. Subnet chart decimal to binary classful ranges reserved ranges.
You can learn classful ip addresses ipv4 address classes private ipv4 blocks. Subnet cheat sheet cidr total of addresses hosts netmask 30 4 2 255 255 255 252 29 8 6 255 255 255 248 28 16 14 255. Complete subnetting cheat sheet. You can view cidr values that is the equivalent valueof your subnet mask address numbers that can be used with this subnet mask and wildcard masks.
Download cidr cheat sheet pdf.