IPv6 Subnet Cheat Sheet and IPv6 Cheat Sheet Reference

CIDR, Subnet Masks, and Usable IP Addresses Quick Aug 26, 2011 SubnettingPractice.com The most extensive subnetting practice site on the Internet. The best place to practice for your networking career and the CCNA, Network+, etc. AWS Cheat Sheet - Amazon VPC - Tutorials Dojo

IP address and Subnet Mask Cheat Sheet [cmdref.net - Cheat

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

The (-2) is to remind you to take two away when you are working out hosts in a subnet. Take one away for the subnet and one away for the broadcast. That is how you write out the Subnetting Secrets Cheat Sheet. Here it is in full:

The Easy CIDR Cheatsheet. Post Author. By Dave; Post Date. Thu Feb 09 2012; Even though I’ve been working with Classless Inter-Domain Routing (henceforth known as CIDR) for years now, I always need a bit up a help remember how many addresses are in each block and how many sub-blocks fit into larger blocks. I have the following printed out for IPV4 Subnet Calculator | SubnetKing Subnet Clac – Subnet Practice Questions – Subnet Cheat Sheet. Subnet Calc. Enter IP Address and Subnet Mask: IP Address: Subnet Mask Subnet Mask Cheatsheet - Network Fun!!! -- A Security Subnet Mask Cheatsheet I found a subnet mask help somewhere online years ago and have held onto it. Id like to give someone credit for this, but I have no idea where I got this. But, I myself did not come up with this. Again, I found it online somewhere and now Im sharing it with anyone who might need some subnet …