How Map Blocker handles information. Last updated 4 October 2026.
Map Blocker is a Windows application that shows where a computer’s network connections go and blocks the ones you choose. We keep as little information about you as the service can be run on, we do not sell it, and we do not pass it to advertising networks.
Every visit leaves an entry in the web server log: the address you connected from, the time, the page requested, the response, the amount of data sent, and the browser identification your browser supplies.
From that address we work out an approximate location - city, region and country - using a copy of a geolocation database held on our own server. Your address is not sent to any outside service in order to do this. Detailed records are kept for 30 days and then removed; only counts and totals are kept after that.
This site sets no advertising or tracking cookies, and uses no third-party analytics service. The site software may set a single session cookie, which is needed for the site to function and is discarded when you close the browser.
Map Blocker runs on your own computer. The traffic it captures, your block lists, rules and statistics stay on that computer and are not sent to us, and we receive no record of your connections, your programs or your network.
To show where connections go, Map Blocker uses DB-IP’s location databases, which it downloads from DB-IP and then searches on your computer. Some lookups do leave the computer:
Location services. Addresses that the downloaded databases do not cover, and every address until the databases have been downloaded, are sent to public location services (currently ip-api.com, ipapi.co, GeoJS and ipwho.is), which may also be asked who operates an address. Some of these requests are made over plain HTTP, without encryption.
Your public address. To find your computer’s own public address, the application asks ipify, Amazon’s checkip service or ip-api.com.
Map images. Map tiles are loaded from OpenFreeMap.
These services see the address each request comes from and, for location lookups, the address being looked up. The services used may change in future versions.
Licensing. A copy used for personal use needs no license key. A copy used by an organization contacts our license server at billing.clue.im when a license key is activated or deactivated and about once a month to re-check it, sending the license key, a machine identifier, the computer name and the application version. While an organization’s copy is evaluated without a key, it sends, about once a week, the machine identifier, the application version, the usage type, the evaluation dates and whether the evaluation has ended. Each request also reveals the network address it comes from, which the license server records.
Payment is taken by PayPal. We never see and never store your card details. To issue and support a license we keep the contact name, company, e-mail address, country and postal address given at purchase, any VAT or tax ID and purchase-order number you enter, the order and the invoice, the license key, and a record of each computer on which the key is activated: its machine identifier, computer name and application version, and when it first and last checked in. Licensing requests are logged together with the network address they come from. We keep these records for as long as they are needed to administer licenses, prevent misuse and meet our legal and accounting obligations.
You will be asked to confirm the address before anything is sent to it, and every message carries a link to stop. Addresses are never shown to other recipients and are never passed to anyone else.
We do not sell or rent information about you. We do not use advertising networks or third-party trackers. We do not attempt to identify individual visitors from their browsing.
You may ask what we hold about you, ask for it to be corrected, or ask for it to be deleted. Write to software@clue.im and we will respond.
If this notice changes, the date at the top changes with it.
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