“Many entity enumeration methods like active and passive DNS have stale states and suffer greatly with false positives and gaps in enumeration. It's evident that IPinfo takes data quality very seriously, employing many methods for both attribution and validation. Doing entity enumeration at the scales that we are demands the …

“The implementation is very easy and straightforward. The API is very concrete - features are highlighted and that’s it, nothing too fancy. I remember checking out some other services but none of them were easy to use or attractive from the economical point of view.”