You can prevent your ads from showing for certain IPs. Excluding IP addresses of computers or networks is done on the Settings tab.
Use the Settings tab to exclude IP addresses at the campaign level. Thus, the distribution of all campaign ads is blocked on computers and networks associated with these addresses.
You may want to use the exclusion by IP address because you’d like to:
People working in your business regularly check how the ads appear in Google. Unwanted impressions and accidental clicks are expensive, you can choose to exclude the IP address of your company network.
Here’s how to prevent your ads from showing to certain IP addresses:
To view or edit an excluded IP address of a campaign, return to the Settings tab.
Some ISPs attribute the same IP address to multiple computers. If you exclude an IP address of this type, you could prevent many legitimate customers seeing your ads.
To remove an IP address exclusion of your campaign, follow these steps: