The question is, how accurately do you want to determine geolocation? And the second question is how much effort are you willing to spend to do this.
Below are 19 absolutely legal ways to determine geolocation but a phone number.
Region of the owner of the number
The services below will not determine the current location of the subscriber , but will show the region of the owner of the number, the operator who issued the phone number, information about the current status of the GSM network subscriber (number activity, roaming, etc.). A little bit, but where to start.
Geolocation by IP address
If your smartphone has mobile Internet, then there is also an IP address that is used to access the network. And if there is an IP address, you can determine the approximate location. You can use this technology in relation to other users with the help of so-called IP loggers. With their help, you can generate a special link to send it to the subscriber, for example, via WatsApp, and if the subscriber follows it and allows the use of his location, you will find out his current IP address, and therefore the approximate location.
Personal accounts of Google, Microsoft and Apple
You can use phone search services to determine the location of users of smartphones on Android, Windows Phone and iOS. But this will also require entering a username and password from the device that is currently in the possession of another person.
Applications preinstalled on a smartphone
In order to use this method, you need to install an application on the smartphone of the person whose geolocation you are going to determine. I give a couple of examples below, of course there are much more such applications.
Geolocation services of mobile operators
Megafon, MTS, Beeline, Tele2 allow you to track subscribers of their networks who have given their consent to this. This consent is given via SMS confirmation, which will require physical access to someone else's mobile phone.
Geotarget in advertising
Using the base of phone numbers, you can set up advertisingtargeting by setting geographic and other frameworks for the distribution of advertising messages. When a user sees an ad while in a given geographic area, you will receive a report about it.
Definitely not. Any software that claims to track location solely by number is fraudulent . Such actions are the prerogative of exclusively law enforcement agencies , which are not inclined to allow outsiders to do so. The only exception is that the employees of the cellular operator use their official position, for which they will not be patted on the head either.
To track, it is absolutely necessary to install special software on the target phone. Either without the knowledge of the owner, which will already be an obvious crime, or with his knowledge. Something like an application from of this collection. But it is obvious that the question concerns precisely surveillance without such actions.
An absolutely easy task. I don't know why none of the authors mentioned above, but there is one proven way. I personally use it all the time when I need to find out where my comrades / relatives are. By phone number (oh god, an incredible fact!), You can also just call, ask the location of a person.
If you are an employee of the operator of that number, or, let's say, a colonel of the Ministry of Internal Affairs, then it won't be difficult, the only thing is that problems await you later, but if you have a number, then by entering it into Google, Yandex, then there is a chance to find out who is this person, or who was the previous owner (in case of buying / re-issuing the room)
In this case, we can convert this conventional signal into a conventional distance (the higher the signal, the closer the subscriber is to the tower). Thus, we get an approximate geology:
Yes, you can. Such services are provided on the Internet for a fee. Determination occurs by the "flashes" of cell towers, the more there are in the subscriber's radius, the more accurately it is determined. In the city, this radius is about 100 meters, in the region it tends to a kilometer.
The ability to determine the location by number depends on who we are :). For example, an employee of the department of operation of radio subsystems or a switch can, if the desired subscriber is in the coverage area of the administered switch. It also depends on the capabilities of the terminal of the subscriber we are interested in: if it is an ordinary phone without the Internet and GPS, then the task becomes more complicated.
Let's assume that the phone ( B ) is the most ordinary, and we are also just a subscriber ( A ). And we with B don't use any LBS (Location-based services). The most dead end option. No chance. The phone itself does not know its location and does not transmit it anywhere.
If B uses a smartphone, then it may have applications installed that determine and transmit its location. In this case, we with B can use any application, and he simply allowed us to see its location (this is how various services for parents work), or we know about some kind of vulnerability and can determine without permission location, for example, picking it up from the server of this application. But this is extremely unlikely, since geolocation data is not transmitted along with the phone number if the application server is not located at the telecom operator itself.
If we are not a subscriber, but an employee of a telecom operator and have access to the application servers, then we can do something for "our" subscribers (and in rare cases for others).
For example, the administrator of the SMS center can send an SRI (Send Routing Info for SM) command to the switch for any number and find out , in which network this number was last registered (Not all SMS centers can give the administrator this opportunity. I happened to work with one that has such a feature). This will be a location accurate to the VLR, i.e., for example, to approximately 1/15 of Moscow by area. (To do this, you still need to know what the coverage area of the switch with the corresponding VLR is). Well, at least, the administrator of the SMS-center should be able to answer the question in which country the subscriber is in in a few seconds - this will be clear from the digits of the VLR number (it is the same as a phone number).
Administrators of the service working with location should in theory be able to see the location in conjunction with the phone number. Ie, for example, tracking for "parent" services should be stored for some time somewhere in the databases of these services. But these applications are very diverse. Such services may not be owned by telecom operators. The mobile application can read both the phone number and GPS data, and transmit it to servers, from where an administrator or an attacker can obtain this data. It is applications that collect geolocation data that can be the most likely source of location leakage by phone number.
Base station controller administrators (provided that B is within the coverage of this network) can determine the location of the phone without GPS with sector accuracyone cell. Technically, it is possible to determine the location more precisely. During a conversation and when registering in the network, the phone transmits to the base station controller the signal levels from several nearby BSs. The operation of radio subsystems knows the exact coordinates of the base stations, this can make it possible to calculate the coordinates with an accuracy of hundreds of meters.
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