Most use cases are satisfied by 'give me an IP in Germany'. But a meaningful minority need to be far more specific, and getting the granularity wrong means your data is quietly useless.
When city-level matters
- Ad verification — confirming a campaign renders correctly to users in a specific metro.
- Localized pricing and inventory checks for retail and travel.
- Search-result auditing, where results differ block by block.
When ASN targeting matters
ASN targeting lets you choose the network an IP belongs to — useful when a target treats traffic from specific carriers or ISPs differently. It's a niche tool, but when you need it, nothing else will do.