Open an IP tool and you often see a city next to your public address. That label feels precise. It is usually not. IP geolocation maps address blocks in databases to countries, regions, and sometimes cities. It is useful for rough context. It is a poor substitute for GPS or a street pin.
This post covers how accurate those labels tend to be, where the street-level myth comes from, and what FindMyIP actually shows when you run IP Lookup.
Short answer
Country and region are often right. City can be close or a miss. Street and building level are a myth for normal consumer GeoIP.
FindMyIP (and similar tools) read approximate location from public IP databases. They do not verify where you sit with GPS. They do not claim your house number. Treat the city field as a hint about the network, not a map of your desk.
For the broader “what does an IP reveal” picture, see what your IP address reveals. This article zooms in on accuracy alone.
Where GeoIP data comes from
Providers do not magically know your address from the four numbers (or IPv6 groups) alone. They maintain databases that say: “this IP range is registered or observed in this area.”
Typical inputs include:
- Registry and ISP data — who owns the block and where they report it
- Routing and peering context — how traffic for that range moves on the public internet
- User and partner feedback — corrections when a city tag is consistently wrong
- Hosting and mobile tags — datacenter and carrier ranges often get coarser or special labels
Those sources lag. An ISP renumbers a pool, sells a block, or routes mobile traffic through a distant exit, and the city tag can stay stale for a while. Two tools can disagree because they use different database vendors or update schedules.
When you paste an address into IP Lookup, you are reading that mapped label for the address you present right now — not a live survey of your device.
City vs street: what “accurate” usually means
| Level | Typical quality for consumer GeoIP | What to expect |
|---|---|---|
| Country | Often correct | Useful for language, currency, and legal region defaults |
| Region / metro | Frequently usable | Good enough for “roughly this area” |
| City | Hit or miss | May show a nearby city, a POP hub, or an outdated assignment |
| Street / building | Not reliable | Marketing myth for everyday GeoIP; not what FindMyIP claims |
Sites use city tags for ads, fraud checks, and content rules. That product use does not make the pin street-true. A wrong city is still common enough that you should not treat a lookup as proof someone “found your house.”
Why your city label can be wrong
Even with a normal home connection and no VPN, the city can drift:
The database points at an ISP hub, not your suburb. Address blocks are often tagged to a metro or facility the provider uses, which may be tens of kilometers from your router.
Stale assignments. You kept the same public IP after a move, or the ISP reassigned the pool without a fresh geo update.
IPv4 scarcity and shared pools. Large ranges serve many customers across a wide area. One city label cannot cover everyone on that block equally well.
Tool disagreement. One site shows Zurich; another shows Bern. Both can be “correct” relative to their own database version. Neither is a GPS fix.
None of this means GeoIP is useless. It means city ≈ network estimate, not city = your front door.
VPN, CGNAT, and mobile: when the pin is someone else’s
Several everyday setups break the “location of me” story:
VPN exit. With a VPN on, destinations and lookup tools see the exit address. The geo tag follows that exit — often a datacenter city far from you. That is expected. Details: what a VPN changes on your visible IP.
CGNAT / shared public IP. On carrier-grade NAT, many customers share one public IPv4. The geo label describes that shared exit range, not a unique household. See what CGNAT means for a shared public IP.
Mobile data. Cellular traffic often egresses through regional carrier gateways. Your phone can be in one town while the public IP’s database city sits elsewhere. Airplane-mode toggles and tower changes can also rotate the exit.
Hosting or work egress. Corporate VPNs and cloud paths show the provider’s facility city, not your café table.
In all of these cases the tool is not “broken.” It is labeling the public address on the wire, which may never have been yours alone.
What FindMyIP shows (and what it does not)
On FindMyIP:
- The homepage What Is My IP shows the public address remote sites see for that request, plus related summary fields from our data sources.
- IP Lookup lets you inspect an address: provider-oriented fields and approximate geo from databases.
- ISP Lookup focuses on who operates the network (org / ASN-style identity), which is often more stable than the city string.
We do not:
- Claim street-level or building-level accuracy
- Claim GPS verification of your physical position
- Promise that two lookups a week apart will keep the same city if the ISP or your path changed
If the city surprises you, check whether a VPN is on, whether you are on mobile vs Wi‑Fi, and what ISP Lookup says about the network. Provider identity and geo are related but not the same question.
Practical takeaways
- Use GeoIP for region context, not for locating a person to a doorway.
- Compare tools only after fixing the same conditions: same network, VPN on or off, same address family if you care about IPv4 vs IPv6.
- Expect VPN and mobile exits to move the city label on purpose.
- When a site geo-blocks or shows the wrong language, the cause is often a coarse or outdated database tag — or a VPN/datacenter reputation — not a precise map of your home.
Check the label yourself
Want the honest view of what databases say about the address you present? Open IP Lookup, note the approximate location, then optionally confirm the network on ISP Lookup. Treat the city as a network hint. If you need to know where you are, use your phone’s location services — not a GeoIP row.