Why is my IP geolocation accuracy so off?

Hey everyone, following up on my previous "IP location API, so confused" post. I thought I had a handle on things, but now I'm facing a new, equally head-scratching issue with IP APIs.

The main problem now is that my IP geolocation accuracy is just... wild. I'm getting users reporting they're in a completely different country or even continent from where my analytics say they are. It's making our personalized content features look ridiculous and messing with our regional targeting.

Here's what I've tried so far to improve the IP geolocation accuracy:

• Switched between a few different paid and free IP lookup services (e.g., IPinfo, ipstack, GeoJS) hoping for better data.
• Implemented a caching layer, thinking maybe repeated lookups were causing issues (no change).
• Cross-referenced results with a couple of online IP checkers for my own IP and test IPs – sometimes they agree, sometimes they're all over the place.
• Checked my server's own IP location (it's correct, so not a proxy issue on my end).

The funniest part is when I try to log the user's detected location. It's like the API is playing a cruel joke. Check out this console output from a recent test:

--- User IP Geolocation Log ---
User: [email protected]
Detected IP: 203.0.113.42
API Source: IPinfo.io
Location: {"country":"Antarctica","region":"Marie Byrd Land","city":"Penguinville"}
Timestamp: 2023-10-27T10:30:00Z
--- End Log ---

--- Another User Log ---
User: [email protected] (actually in New York)
Detected IP: 198.51.100.10
API Source: GeoJS
Location: {"country":"Australia","region":"New South Wales","city":"Sydney"}
Timestamp: 2023-10-27T10:35:00Z
--- End Log ---

I'm tearing my hair out trying to figure out why the IP geolocation accuracy is so inconsistent. Is there some magic trick I'm missing? Are there specific providers known for better accuracy, especially for mobile users or specific regions? Or am I just doomed to have half my users "visiting" from the South Pole?

Help a brother out please, my analytics dashboard is starting to look like a global fantasy map!