Awesome Open Source
Awesome Open Source


FASCIA is an open source software to collect, aggregate and store IMSI and related information such as MCC, MNC, LAC and CellID (or other meta-information).

The goal is to gather information from (IMSI catchers or passive interception from mobile networks (such as GSM-R, GSM480, GSM850 GSM900, DCS1800, PCS1900)) in a standard format, then aggregate the information into the FASCIA database and to provide an easy interface to lookup IMSI and the associated meta-information.

FASCIA format

The FASCIA format is a simple JSON format to exchange information from mobile network monitoring devices (such as IMSI catchers, passive analysis tools) into a common simple format and to be processed by FASCIA.

Where is the name coming from?

The name FASCIA comes after the NSA program which collects device-location information.

Is this legal to operate such software?

This always depends of your scope, objectives and legitimate interests. Such system can also be used for security measures with a noble goal, it can be used to demonstrate the privacy implication of using a mobile device or it can be illegally used. In any case, you are responsible to comply with the law(s), regulations and the license terms of the software


  • Python 3


Copyright (C) 2018 Alexandre Dulaunoy - [email protected]

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see

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