Subnetting questions

1.      Question: Which subnet does host 172.26.128.188 255.255.240.0 belong to?

Answer: 172.26.128.0

2.      Question: What valid host range is the IP address 192.168.248.100/28 a part of?

Answer: 192.168.248.97 through to 192.168.248.110

3.      Question: Which subnet does host 192.168.209.98/28 belong to?

Answer: 192.168.209.96

4.      Question: What is the first valid host on the subnetwork that the node 192.168.94.70 255.255.255.128 belongs to?

Answer: 192.168.94.1

5.      Question: What valid host range is the IP address 172.16.111.162/22 a part of?

Answer: 172.16.108.1 through to 172.16.111.254

6.      Question: Which subnet does host 172.18.23.202 255.255.254.0 belong to?

Answer: 172.18.22.0

7.      Question: What valid host range is the IP address 172.16.62.224/24 a part of?

Answer: 172.16.62.1 through to 172.16.62.254

8.      Question: What is the broadcast address of the network 192.168.56.8 255.255.255.248?

Answer: 192.168.56.15

9.      Question: You are designing a subnet mask for the 172.20.0.0 network. You want 170 subnets with up to 160 hosts on each subnet. What subnet mask should you use?

Answer: 255.255.255.0

10.  Question: What is the first valid host on the subnetwork that the node 172.19.130.43/23 belongs to?

Answer: 172.19.130.1

11.  Question: What is the last valid host on the subnetwork 10.36.0.0/20?

Answer: 10.36.15.254

12.  Question: What is the broadcast address of the network 192.168.126.128/29?

Answer: 192.168.126.135

13.  Question: What valid host range is the IP address 10.250.224.23 255.255.240.0 a part of?

Answer: 10.250.224.1 through to 10.250.239.254

14.  Question: What is the first valid host on the subnetwork that the node 172.21.252.171/23 belongs to?

Answer: 172.21.252.1

15.  Question: How many subnets and hosts per subnet can you get from the network 172.17.0.0/24?

Answer: 256 subnets and 254 hosts

16.  Question: What valid host range is the IP address 10.31.164.36/20 a part of?

Answer: 10.31.160.1 through to 10.31.175.254

17.  Question: What is the last valid host on the subnetwork 172.24.53.0 255.255.255.224?

Answer: 172.24.53.30

18.  Question: How many subnets and hosts per subnet can you get from the network 172.26.0.0/23?

Answer: 128 subnets and 510 hosts

19.  Question: What is the last valid host on the subnetwork 192.168.9.64 255.255.255.240?

Answer: 192.168.9.78

20.  Question: What is the first valid host on the subnetwork that the node 172.18.197.187/23 belongs to?

Answer: 172.18.196.1