anchor.diff:  Lab 4: 195.151.34.96/27
   ```
   
  -First we need to find a subnet that can support 30 hosts, the largest computer lab. `/27` can do that because `/27` has 32 hosts and 30 usable hosts. Remember they need to be usable! If we need 32 host a `/27` would not work because it only has 30 usable ips. So our first subnet is `195.151.34.0/27` with a range of:
  -```
  -195.151.34.0 - 195.151.34.31
  -```
  -
  -When then add 32 to 0 and start are new range of `/27`, `195.151.34.32/27`:
  -```
  -195.151.34.32 - 195.151.34.63
  -```
  -
  -Then add 32 to 32 and start are new range of `/27`, `195.151.34.64/27`:
  -```
  -195.151.34.64 - 195.151.34.95
  -```
  -
  -Then add 32 to 64 and start are new range of `/27`, `195.151.34.96/27`:
  -```
  -195.151.34.96 - 195.151.34.127
  -```
  +
   
   And done, you just subnetted. As you can probably see this is wasting a lot of ips for the smaller subnets like Lab 1 but it can't be helped. That is why Variable Length Subnet Masking (VLSM) was created. VLSM is a much more efficient way to subnet because you can vary the size of the subnets selecting minimal size mask you need for each subnet. Nearly everyone uses VLSM at every level of networking.
   
  
positive.code: 
  Or how about `/29`:
  ```
  /29 = 1 + 2 + 4 = 7 + 1 = 8 - 2 = 6
        \_______/   \___/   \___/
            |         |       |
            |         |       +------------ -2 because first+last are not usable
  
negative.code: Lab 4: 18 computers
  ```
  
  First we need to find a subnet that can support 30 hosts, the largest computer lab. `/27` can do that because `/27` has 32 hosts and 30 usable hosts. Remember we need usable hosts! If we need 32 host a `/27` would not work because it only has 30 usable IPs. So our first subnet is `195.151.34.0/27` with a range of:
  ```
  195.151.34.0 - 195.151.34.31
  ```
  
  When then add 32 to 0 and start are new range of `/27`, `195.151.34.32/27`:
  ```
  195.151.34.32 - 195.151.34.63
  ```
  
  Then add 32 to 32 and start are new range of `/27`, `195.151.34.64/27`:
  ```
  195.151.34.64 - 195.151.34.95
  ```
  
  Then add 32 to 64 and start are new range of `/27`, `195.151.34.96/27`:
  ```
  195.151.34.96 - 195.151.34.127
  ```
  
  So to recap our labs look like this:
  ```
  Lab 1: 195.151.34.0/27
  Lab 2: 195.151.34.32/27
  