An ad you cannot see is an ad you cannot check. Campaigns render differently per country, per device and per network, and the version served to your office IP is rarely the one your audience gets.
Verifying from residential and mobile addresses in the target market shows the real placement, the real creative and the real landing page.
Fraudulent placements detect verification traffic and serve a clean page to it while everyone else gets the redirect.
Impressions billed for one market get served in another. Without a local IP you never see it.
The placement passed review, then the page around it changed. Only a live check from the right location catches that.
Carrier IPs are the only realistic way to verify mobile and in-app inventory.
See plans and pricingRead the Ad verification guideVerification vendors are the first thing fraudsters filter for, and hosting ranges are trivially identified. The check comes back clean while the fraud continues.
Yes, through the 4G/5G pool, which exits on real carrier networks.
Full-page loads with creatives typically run 1-3 MB per check. Budget from your daily check volume.
Sign up with Google and test the pool on your own targets before you pay anything.