Address Classes Worksheet

When completing this worksheet, make sure to change your font color to red or 5 points will be deducted. Do not change the font color of the given information, just the answers. This worksheet will be worth 400 points (100 pts PER table).

Provide the correct default subnet mask based on their default class in decimal format for each of the following addresses. The first one is completed for you.

177.100.18.4	255.255.0.0
119.18.45.0
191.249.234.191
223.23.223.109
10.10.250.1
126.123.23.1
223.69.230.250
192.12.35.105
77.251.200.51
189.210.50.1
88.45.65.35
128.212.250.254
193.100.77.83
125.125.250.1
1.1.10.50
220.90.130.45
134.125.34.9
95.250.91.99

Address Class Identification

Highlight the network portion of these addresses based on the class of the address and the default subnet mask. The first one is completed for you.

177.100.18.4	192.200.15.0	150.10.15.0
119.18.45.0	95.0.21.90	192.14.2.0
209.240.80.78	33.0.0.0	148.17.9.1
199.155.77.56	158.98.80.0	193.42.1.1
117.89.56.45	217.21.56.0	126.8.156.0
215.45.45.0	10.250.1.1	220.200.23.1

Highlight the host portion of these addresses based on the class of the address and the default subnet mask. The first one is completed for you.

10.15.123.50	191.41.35.112	195.0.21.98
171.2.199.31	155.25.169.227	25.250.135.46
198.125.87.177	192.15.155.2	171.102.77.77
223.250.200.222	123.102.45.254	55.250.5.5
17.45.222.45	148.17.9.155	218.155.230.14
126.201.54.231	100.25.1.1	10.250.1.1

Convert the dotted decimal subnet mask to the correct IP Prefix for each of the following addresses. Number 1 and 4 is completed for you.

255.255.255.0	/24
255.255.0.0
255.0.0.0
255.255.255.248	/29
255.254.0.0
255.255.224.0
255.255.255.252
255.255.255.128
255.255.255.224
255.255.248.0
255.240.0.0
255.255.192.0
255.255.255.128
255.255.128.0
255.224.0.0
255.255.255.240
255.255.252.0
255.255.255.192