My IP lookup tool is drunk

hey everyone, just launched our new web tool, and honestly, it's acting a bit... tipsy.

our "IP Lookup Tool - Geo-locate Any IP Address & Get Details" is intermittently giving wildly inaccurate geolocation data. it's supposed to pinpoint location, but sometimes it thinks a user in london is suddenly chilling in antarctica. this is really messing with our user experience and data accuracy for IP geolocation.

we've tried a few things to sober it up:

• checked the third-party ip address lookup API for rate limits or errors – seems fine, no obvious hangovers there.
• verified our own server-side logic for parsing the API response – no obvious bugs, the code looks solid.
• tried different IP addresses, including known ones, from various regions, just to see if it was a specific type of IP.
• cleared caching layers (CDN, server cache) just in case stale data was the culprit. thought maybe it was just a bad memory.
• compared results with other public IP lookup services; sometimes ours is an outlier, like that one friend who always has a different story.

it's not consistently wrong, which is the most frustrating part. but we've seen IPs that should resolve to specific cities in the US show up in completely different continents, or even just 'unknown' when they clearly shouldn't be. like, 'hey, that IP is definitely in NYC, not 'unknown' somewhere in the atlantic!'

has anyone experienced similar issues with IP geolocation services or ip address lookup tools? are there common pitfalls i'm missing? maybe a specific database i should be using, or a known issue with certain API providers that makes them act up? any advice on debugging this kind of intermittent weirdness would be super helpful.

thanks in advance for any insights!