Subnetting #3

Find the Class each IP address belong to.

1. 10.250.1.1
2. 150.10.15.0
3. 192.14.2.0
4. 148.17.9.1
5. 193.42.1.1
6. 126.8.156.0
7. 220.200.23.1
8. 230.230.45.58
9. 177.100.18.4
10. 119.18.45.0
11. 249.240.80.78
12. 199.155.77.56
13. 117.89.56.45
14. 215.45.45.0
15. 199.200.15.0
16. 95.0.21.90
17. 33.0.0.0
18. 158.98.80.0
19. 219.21.56.0

Network & Host Part Identification

Circle the network portion of these addresses:

177.100.18.4
119.18.45.0
209.240.80.78
199.155.77.56
117.89.56.45
215.45.45.0
192.200.15.0
95.0.21.90
33.0.0.0
158.98.80.0
217.21.56.0
10.250.1.1
150.10.15.0
192.14.2.0
148.17.9.1
193.42.1.1
126.8.156.0
220.200.23.1
10.15.123.50
171.2.199.31
198.125.87.177
223.250.200.222
17.45.222.45
126.201.54.231
191.41.35.112
155.25.169.227
192.15.155.2
123.102.45.254
148.17.9.155
100.25.1.1
195.0.21.98
25.250.135.46
171.102.77.77
55.250.5.5
218.155.230.14
10.250.1.1


Default Subnet Masks

Write the correct default subnet mask for each of the following addresses:

177.100.18.4 ____________________________

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 __________________________