Saturday, September 8, 2018

300+ Subnetting Questions



A subnet is a strategy used to divide a physical network into two or more smaller logical subnets (subnets). IP addresses include network segments and host segments. Subnets are designed by accepting the bits of the host portion of the IP address and using these bits to assign smaller subnets within the original network. Subnets allow you to add a subnet without having to acquire a new network number through your Internet Service Provider (ISP). The use of subnets can reduce network traffic and reduce the complexity of the network. If you need to assign a unique network number to multiple segments of a local area network (LAN), it is essential to configure the subnet.

The subnets are initially designed to address the lack of IP addresses over the Internet.


How many subnets and hosts per subnet can you get from the network 172.20.0.0/23?

Which subnet does host 192.168.159.126/27 belong to?

Which subnet does host 192.168.226.171/28 belong to?

You are designing a subnet mask for the 10.0.0.0 network. You want 2100 subnets with up to              3900 hosts on each subnet. What subnet mask should you use?

What is the last valid host on the subnetwork 172.16.183.0/28?

What is the last valid host on the subnetwork 10.153.176.0/20?

How many subnets and hosts per subnet can you get from the network 172.20.0.0/26?

How many subnets and hosts per subnet can you get from the network 192.168.41.0/29?

What is the first valid host on the subnetwork that the node 10.114.98.215/20 belongs to?

How many subnets and hosts per subnet can you get from the network 192.168.73.0                            255.255.255.248?

What is the last valid host on the subnetwork 192.168.107.0/26?

How many subnets and hosts per subnet can you get from the network 172.28.0.0                                255.255.255.128?

Which subnet does host 172.31.241.76 255.255.255.0 belong to?

What is the broadcast address of the network 172.27.170.0 255.255.254.0?

What is the last valid host on the subnetwork 172.30.176.0/21?

What is the broadcast address of the network 172.25.158.0/23?

What is the last valid host on the subnetwork 192.168.241.100 255.255.255.252?

How many subnets and hosts per subnet can you get from the network 172.16.0.0                                255.255.255.240?

Which subnet does host 172.26.89.168/21 belong to?

What is the first valid host on the subnetwork that the node 172.28.75.70/23 belongs to?

What is the last valid host on the subnetwork 172.18.50.0 255.255.255.128?

Which subnet does host 172.22.103.104 255.255.254.0 belong to?

Which subnet does host 172.18.182.222 255.255.255.128 belong to?

What valid host range is the IP address 172.17.121.243 255.255.254.0 a part of?

How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?

What is the broadcast address of the network 10.59.128.0/20?

Which subnet does host 172.19.218.59 255.255.254.0 belong to?

Which subnet does host 172.31.174.70 255.255.254.0 belong to?

How many subnets and hosts per subnet can you get from the network 172.17.0.0/23?

What is the last valid host on the subnetwork 10.217.0.0 255.255.240.0?

What valid host range is the IP address 172.25.199.43/27 a part of?

What is the broadcast address of the network 172.20.118.64/28?

What valid host range is the IP address 172.27.28.55/26 a part of?

How many subnets and hosts per subnet can you get from the network 172.28.0.0/24?

What is the broadcast address of the network 192.168.104.96/28?

Which subnet does host 172.27.58.133/23 belong to?

What is the first valid host on the subnetwork that the node 172.31.159.51 255.255.255.224 belongs to?

Which subnet does host 10.134.193.71 255.255.240.0 belong to?

What is the broadcast address of the network 172.19.88.0 255.255.248.0?

How many subnets and hosts per subnet can you get from the network 172.29.0.0/26?

What is the broadcast address of the network 172.23.14.0 255.255.254.0?

How many subnets and hosts per subnet can you get from the network 172.20.0.0/23?

How many subnets and hosts per subnet can you get from the network 172.26.0.0 255.255.255.128?

What is the first valid host on the subnetwork that the node 172.20.155.212 255.255.255.224 belongs to?

Which subnet does host 192.168.187.94 255.255.255.192 belong to?

What is the broadcast address of the network 172.27.74.160/27?

Which subnet does host 172.29.120.163/28 belong to?

How many subnets and hosts per subnet can you get from the network 172.16.0.0/22?

How many subnets and hosts per subnet can you get from the network 172.17.0.0/25?

What is the last valid host on the subnetwork 192.168.26.64 255.255.255.224?

Which subnet does host 172.31.166.143/20 belong to?

Which subnet does host 172.17.240.227 255.255.240.0 belong to?

Which subnet does host 192.168.196.22/27 belong to?

You are designing a subnet mask for the 172.23.0.0 network. You want 40 subnets with up to 800 hosts on each subnet. What subnet mask should you use?

How many subnets and hosts per subnet can you get from the network 192.168.31.0/25?

Which subnet does host 172.31.174.91/23 belong to?

Which subnet does host 192.168.15.46/26 belong to?

What valid host range is the IP address 172.30.63.156/22 a part of?

What is the broadcast address of the network 172.24.64.0/20?

What valid host range is the IP address 172.30.6.220 255.255.255.240 a part of?

How many subnets and hosts per subnet can you get from the network 192.168.212.0 255.255.255.240?

What is the first valid host on the subnetwork that the node 192.168.112.78 255.255.255.224 belongs to?

Which subnet does host 172.19.248.153 255.255.254.0 belong to?

How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?

What is the first valid host on the subnetwork that the node 192.168.51.33 255.255.255.192 belongs to?

How many subnets and hosts per subnet can you get from the network 192.168.98.0 255.255.255.224?

What is the last valid host on the subnetwork 172.27.144.0/25?

What valid host range is the IP address 172.18.89.103/25 a part of?

How many subnets and hosts per subnet can you get from the network 10.0.0.0/20?

What is the first valid host on the subnetwork that the node 172.24.185.176/25 belongs to?

What is the last valid host on the subnetwork 172.17.160.0/23?

What is the first valid host on the subnetwork that the node 172.19.245.58/27 belongs to?

What is the broadcast address of the network 192.168.102.232 255.255.255.248?

How many subnets and hosts per subnet can you get from the network 172.17.0.0/23?

Which subnet does host 10.247.102.159 255.255.240.0 belong to?

What is the first valid host on the subnetwork that the node 172.26.131.80 255.255.252.0 belongs to?

How many subnets and hosts per subnet can you get from the network 192.168.154.0 255.255.255.240?

What valid host range is the IP address 172.30.114.92/26 a part of?

What is the broadcast address of the network 172.30.93.192 255.255.255.192?

Which subnet does host 192.168.5.250/26 belong to?

What is the last valid host on the subnetwork 172.20.96.0/20?

Which subnet does host 10.208.36.65/20 belong to?

What is the last valid host on the subnetwork 192.168.166.176/28?

What valid host range is the IP address 172.26.102.228/23 a part of?

What is the broadcast address of the network 172.25.154.0/23?

What valid host range is the IP address 172.21.37.246/28 a part of?

You are designing a subnet mask for the 172.25.0.0 network. You want 190 subnets with up to 180 hosts on each subnet. What subnet mask should you use?

What is the first valid host on the subnetwork that the node 172.19.85.151/23 belongs to?

Which subnet does host 172.21.90.200/23 belong to?

What is the last valid host on the subnetwork 172.25.153.0 255.255.255.128?

Which subnet does host 192.168.227.25 255.255.255.248 belong to?

What is the last valid host on the subnetwork 172.29.26.0 255.255.254.0?

What valid host range is the IP address 172.20.22.57/23 a part of?

What is the broadcast address of the network 172.21.142.0/23?

How many subnets and hosts per subnet can you get from the network 172.24.0.0 255.255.248.0?

What valid host range is the IP address 10.36.113.97/20 a part of?

What valid host range is the IP address 172.26.253.219/23 a part of?

What is the broadcast address of the network 172.31.133.192/26?

What is the broadcast address of the network 172.23.214.0/24?

What is the last valid host on the subnetwork 172.31.16.0/21?

What valid host range is the IP address 192.168.106.243 255.255.255.224 a part of?

Which subnet does host 172.22.149.7 255.255.252.0 belong to?

How many subnets and hosts per subnet can you get from the network 172.28.0.0/23?

How many subnets and hosts per subnet can you get from the network 192.168.156.0 255.255.255.252?

What is the broadcast address of the network 172.25.254.0 255.255.255.0?

at is the first valid host on the subnetwork that the node 172.26.10.215 255.255.255.0 belongs to?

How many subnets and hosts per subnet can you get from the network 172.17.0.0/26?

What is the first valid host on the subnetwork that the node 192.168.162.34/28 belongs to?

How many subnets and hosts per subnet can you get from the network 192.168.147.0 255.255.255.224?

What is the last valid host on the subnetwork 10.181.224.0/20?

How many subnets and hosts per subnet can you get from the network 192.168.230.0/29?

Which subnet does host 172.22.137.210/23 belong to?

How many subnets and hosts per subnet can you get from the network 172.30.0.0/26?

many subnets and hosts per subnet can you get from the network 192.168.250.0 255.255.255.192?

How many subnets and hosts per subnet can you get from the network 172.31.0.0 255.255.254.0?

What is the first valid host on the subnetwork that the node 172.30.131.175/27 belongs to?

What is the last valid host on the subnetwork 10.167.32.0 255.255.240.0?

How many subnets and hosts per subnet can you get from the network 172.26.0.0/21?

What is the broadcast address of the network 172.28.22.0/23?

Which subnet does host 172.21.205.222/21 belong to?

What is the broadcast address of the network 10.66.208.0/20?

What valid host range is the IP address 172.28.145.226/27 a part of?

What is the broadcast address of the network 192.168.229.128 255.255.255.128?

How many subnets and hosts per subnet can you get from the network 192.168.159.0/27?

What is the broadcast address of the network 172.18.146.0 255.255.254.0?

How many subnets and hosts per subnet can you get from the network 172.28.0.0/22?

Which subnet does host 172.22.141.20/23 belong to?

What is the broadcast address of the network 10.74.240.0/20?

How many subnets and hosts per subnet can you get from the network 172.26.0.0/27?

Which subnet does host 172.18.170.199 255.255.255.0 belong to?

What is the broadcast address of the network 172.18.47.240/28?

What is the last valid host on the subnetwork 172.20.162.224 255.255.255.224?

What valid host range is the IP address 192.168.52.51/27 a part of?

What is the last valid host on the subnetwork 192.168.247.128 255.255.255.128?

How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?

What is the broadcast address of the network 172.24.96.16 255.255.255.240?

What is the first valid host on the subnetwork that the node 172.29.41.235 255.255.255.240 belongs to?

Which subnet does host 172.18.131.138 255.255.254.0 belong to?

How many subnets and hosts per subnet can you get from the network 192.168.82.0 255.255.255.128?

What is the last valid host on the subnetwork 192.168.112.128/25?

Which subnet does host 10.97.52.150/20 belong to?

What is the last valid host on the subnetwork 10.121.80.0 255.255.240.0?

Which subnet does host 172.25.231.78/23 belong to?

What valid host range is the IP address 172.18.212.48 255.255.254.0 a part of?

How many subnets and hosts per subnet can you get from the network 172.30.0.0/27?

What is the last valid host on the subnetwork 10.34.16.0 255.255.240.0?

How many subnets and hosts per subnet can you get from the network 192.168.166.0/27?

What is the first valid host on the subnetwork that the node 172.24.37.172 255.255.255.128 belongs to?

What valid host range is the IP address 172.27.90.56 255.255.255.224 a part of?

What is the broadcast address of the network 192.168.119.0/25?

What is the last valid host on the subnetwork 192.168.155.64/26?

What is the last valid host on the subnetwork 172.19.40.0/22?

What is the last valid host on the subnetwork 172.27.60.0 255.255.252.0?

What is the last valid host on the subnetwork 172.23.208.0 255.255.252.0?

What valid host range is the IP address 192.168.142.89/30 a part of?

How many subnets and hosts per subnet can you get from the network 172.24.0.0 255.255.255.128?

What is the first valid host on the subnetwork that the node 192.168.62.105/29 belongs to?

What is the first valid host on the subnetwork that the node 172.21.142.8 255.255.254.0 belongs to?

How many subnets and hosts per subnet can you get from the network 172.18.0.0 255.255.254.0?

How many subnets and hosts per subnet can you get from the network 172.17.0.0 255.255.254.0?

at is the first valid host on the subnetwork that the node 172.27.41.198/22 belongs to?

How many subnets and hosts per subnet can you get from the network 172.22.0.0/24?

What is the first valid host on the subnetwork that the node 172.18.240.219 255.255.254.0 belongs to?

What is the first valid host on the subnetwork that the node 192.168.147.196 255.255.255.240 belongs to?

What is the broadcast address of the network 172.25.193.0/24?

What is the broadcast address of the network 172.21.144.0/24?

What is the last valid host on the subnetwork 172.20.198.0/23?

What is the last valid host on the subnetwork 172.27.231.48 255.255.255.240?

What is the broadcast address of the network 192.168.34.96 255.255.255.224?

What valid host range is the IP address 172.27.58.236 255.255.255.224 a part of?

What is the last valid host on the subnetwork 172.18.180.0/24?

How many subnets and hosts per subnet can you get from the network 172.27.0.0/28?

What is the first valid host on the subnetwork that the node 192.168.179.117 255.255.255.240 belongs to?

What is the last valid host on the subnetwork 172.19.70.0 255.255.254.0?

What is the first valid host on the subnetwork that the node 172.19.100.107 255.255.240.0 belongs to?

How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?

What is the last valid host on the subnetwork 172.30.120.0/24?

Which subnet does host 172.29.27.8 255.255.255.128 belong to?

Which subnet does host 172.25.8.174/26 belong to?

What is the last valid host on the subnetwork 172.25.224.0/20?

What valid host range is the IP address 192.168.212.253/29 a part of?

Which subnet does host 192.168.212.236/28 belong to?

Which subnet does host 172.20.99.100/21 belong to?

Which subnet does host 172.17.254.249/23 belong to?

How many subnets and hosts per subnet can you get from the network 10.0.0.0/20?

How many subnets and hosts per subnet can you get from the network 172.19.0.0 255.255.254.0?

Which subnet does host 10.7.59.82/20 belong to?

What is the last valid host on the subnetwork 172.23.171.0 255.255.255.0?

What is the broadcast address of the network 172.17.108.0 255.255.252.0?

What is the first valid host on the subnetwork that the node 172.29.26.201/25 belongs to?

What is the last valid host on the subnetwork 10.144.16.0/20?

What is the last valid host on the subnetwork 192.168.130.128/25?

How many subnets and hosts per subnet can you get from the network 172.28.0.0/23?

Which subnet does host 172.17.32.193/25 belong to?

What is the first valid host on the subnetwork that the node 172.26.192.237/28 belongs to?

Which subnet does host 172.21.3.118 255.255.254.0 belong to?

What is the last valid host on the subnetwork 172.31.250.64/26?

What is the last valid host on the subnetwork 172.22.98.0 255.255.255.224?

How many subnets and hosts per subnet can you get from the network 192.168.17.0 255.255.255.192?

What valid host range is the IP address 192.168.146.73 255.255.255.192 a part of?

Which subnet does host 172.19.146.129 255.255.254.0 belong to?

How many subnets and hosts per subnet can you get from the network 172.23.0.0/20?

You are designing a subnet mask for the 192.168.234.0 network. You want 4 subnets with up to 40 hosts on each subnet. What subnet mask should you use?

Which subnet does host 172.19.61.156/23 belong to?

How many subnets and hosts per subnet can you get from the network 192.168.53.0 255.255.255.240?

What is the last valid host on the subnetwork 172.20.198.0/23?

What valid host range is the IP address 172.23.87.43/28 a part of?

What is the first valid host on the subnetwork that the node 172.30.192.191/23 belongs to?

What is the broadcast address of the network 172.27.6.0 255.255.254.0?

How many subnets and hosts per subnet can you get from the network 10.0.0.0/20?

What is the broadcast address of the network 172.22.142.0 255.255.254.0?

What is the last valid host on the subnetwork 172.27.223.0/27?

How many subnets and hosts per subnet can you get from the network 172.24.0.0/28?

Which subnet does host 172.31.117.253 255.255.255.224 belong to?

You are designing a subnet mask for the 172.22.0.0 network. You want 11 subnets with up to 3700 hosts on each subnet. What subnet mask should you use?

What is the broadcast address of the network 10.192.112.0 255.255.240.0?

What is the first valid host on the subnetwork that the node 172.27.155.0 255.255.252.0 belongs to?

What is the first valid host on the subnetwork that the node 172.17.162.245/25 belongs to?

What valid host range is the IP address 192.168.40.193 255.255.255.224 a part of?

What valid host range is the IP address 192.168.126.195/27 a part of?

What is the last valid host on the subnetwork 172.20.220.0/22?

Which subnet does host 172.18.115.165/24 belong to?

What is the broadcast address of the network 172.23.208.0 255.255.240.0?

How many subnets and hosts per subnet can you get from the network 172.24.0.0 255.255.252.0?

What valid host range is the IP address 172.23.188.222/21 a part of?

What is the last valid host on the subnetwork 172.28.176.0 255.255.248.0?

What valid host range is the IP address 172.22.217.216 255.255.255.128 a part of?

What is the first valid host on the subnetwork that the node 172.23.95.107 255.255.255.240 belongs to?

Which subnet does host 172.19.20.171/22 belong to?

What valid host range is the IP address 10.249.44.248 255.255.240.0 a part of?

Which subnet does host 172.22.120.165 255.255.255.240 belong to?

Which subnet does host 172.24.205.233 255.255.255.128 belong to?

Which subnet does host 192.168.208.149/26 belong to?

What valid host range is the IP address 10.28.236.149/20 a part of?

How many subnets and hosts per subnet can you get from the network 192.168.181.0 255.255.255.248?

What is the last valid host on the subnetwork 172.28.188.0 255.255.255.0?

What valid host range is the IP address 172.22.115.184 255.255.248.0 a part of?

What is the broadcast address of the network 172.16.143.64/26?

How many subnets and hosts per subnet can you get from the network 172.19.0.0 255.255.248.0?

What is the broadcast address of the network 172.26.64.0/20?

Which subnet does host 172.19.187.137 255.255.255.0 belong to?

What is the broadcast address of the network 172.26.238.32 255.255.255.240?

What is the first valid host on the subnetwork that the node 192.168.191.185/28 belongs to?

What is the last valid host on the subnetwork 192.168.114.240 255.255.255.240?

What is the first valid host on the subnetwork that the node 172.24.76.43/26 belongs to?

Which subnet does host 10.43.230.235 255.255.240.0 belong to?

What is the last valid host on the subnetwork 172.28.46.0/23?

Which subnet does host 172.19.133.94 255.255.255.0 belong to?

How many subnets and hosts per subnet can you get from the network 172.22.0.0/22?

What is the first valid host on the subnetwork that the node 10.69.33.109/20 belongs to?

What is the broadcast address of the network 192.168.183.128 255.255.255.192?

What valid host range is the IP address 172.16.106.249/23 a part of?

What is the first valid host on the subnetwork that the node 192.168.209.18/30 belongs to?

What is the broadcast address of the network 172.20.88.64/26?

What valid host range is the IP address 192.168.111.67 255.255.255.248 a part of?

What is the first valid host on the subnetwork that the node 172.25.218.44 255.255.255.240 belongs to?

What is the first valid host on the subnetwork that the node 192.168.173.179/29 belongs to?

Which subnet does host 192.168.242.141 255.255.255.128 belong to?

You are designing a subnet mask for the 10.0.0.0 network. You want 3100 subnets with up to 3000 hosts on each subnet. What subnet mask should you use?

What is the last valid host on the subnetwork 172.24.21.0 255.255.255.128?

What is the last valid host on the subnetwork 172.26.32.0/22?

How many subnets and hosts per subnet can you get from the network 172.21.0.0/24?

What valid host range is the IP address 172.18.33.38/23 a part of?

What is the last valid host on the subnetwork 192.168.220.216 255.255.255.248?

What is the first valid host on the subnetwork that the node 172.20.148.201 255.255.248.0 belongs to?

What is the last valid host on the subnetwork 172.25.148.0/23?

What is the first valid host on the subnetwork that the node 192.168.50.189/30 belongs to?

Which subnet does host 172.25.71.15 255.255.254.0 belong to?

Which subnet does host 172.19.240.53/20 belong to?

What is the broadcast address of the network 172.17.157.128/26?

Which subnet does host 172.22.112.136 255.255.255.192 belong to?

What is the first valid host on the subnetwork that the node 172.26.238.196 255.255.255.0 belongs to?

What is the first valid host on the subnetwork that the node 172.24.231.45/26 belongs to?

What is the broadcast address of the network 10.136.112.0 255.255.240.0?

What valid host range is the IP address 172.26.92.159/23 a part of?

What is the last valid host on the subnetwork 192.168.169.144/28?

Which subnet does host 172.22.44.221 255.255.252.0 belong to?

What is the first valid host on the subnetwork that the node 172.29.15.115 255.255.255.128 belongs to?

What is the broadcast address of the network 172.28.160.0 255.255.240.0?

What valid host range is the IP address 172.27.28.108/25 a part of?

What is the broadcast address of the network 172.23.201.144/28?

Which subnet does host 172.21.156.47 255.255.255.224 belong to?

Which subnet does host 10.135.180.25 255.255.240.0 belong to?

What valid host range is the IP address 172.21.51.211/23 a part of?

How many subnets and hosts per subnet can you get from the network 172.27.0.0 255.255.255.240?

What is the first valid host on the subnetwork that the node 172.27.59.29 255.255.254.0 belongs to?

What valid host range is the IP address 172.30.165.59/27 a part of?

Which subnet does host 10.30.12.236/20 belong to?

What is the first valid host on the subnetwork that the node 172.23.192.84/25 belongs to?

What is the first valid host on the subnetwork that the node 10.60.22.137/20 belongs to?

What is the last valid host on the subnetwork 172.25.236.0 255.255.254.0?

Which subnet does host 192.168.18.181 255.255.255.240 belong to?

What is the last valid host on the subnetwork 172.24.2.128 255.255.255.128?

What is the first valid host on the subnetwork that the node 172.22.141.173/25 belongs to?

What is the first valid host on the subnetwork that the node 192.168.147.20 255.255.255.240 belongs to?

What is the last valid host on the subnetwork 172.16.135.0 255.255.255.128?

What is the last valid host on the subnetwork 192.168.30.128 255.255.255.248?

You are designing a subnet mask for the 172.20.0.0 network. You want 600 subnets with up to 40 hosts on each subnet. What subnet mask should you use?

How many subnets and hosts per subnet can you get from the network 172.18.0.0/24?

What is the last valid host on the subnetwork 192.168.164.0/25?

Which subnet does host 192.168.167.81/28 belong to?

What is the broadcast address of the network 172.18.240.0/21?

What valid host range is the IP address 172.23.4.185/28 a part of?

What is the broadcast address of the network 172.29.40.0 255.255.252.0?

What valid host range is the IP address 192.168.221.7/28 a part of?

What is the broadcast address of the network 172.18.116.0/23?



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