b 3 Determining the Subnet Mask of an IP Network Address in CIDR Notation The purpose of this tab is to familiarize students with determining the wheet mask of an IP network address when the student has been given the IP network address in CIDR notation This lab is important to the student because it will help them begin to correctly interpret CIDR notation and help them on their way to being able to determine the subnet ranges of an IP network address when seeing it in CIDR notation. MATERIALS Notepad Pencil DO THE LAB Determine the Subnet Mask Using Table 4-12 from the lesson, the student needs to determine the subnet mask for the following IP Network Addresses presented in CIDR notation. Write the subnet mask in the right column of this table. 205.23.189.0/24 157.234.0.0/16 12.0.0.0/8 209.34.81.0/27 167.55.0.0/18 15.0.0.0/12 197.245.1.0/30 201.23.143.0/26