EFForg/rayhunter
Another indicator of IMSI catcher activity (compare public IP with announced IP ranges)
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#153 opened on 2025/03/12
Research Questionshelp wantedheuristic
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説明
There is an app, called Wiretap Detector that compares your public IP with the announced IP ranges of the mobile operator (of course, you should not be using VPN).
It is using ip.guide service.
With wget, you can get:
- ASN organization:
wget -qO- ip.guide | grep -E 'organization' | sed -E 's/.*"([^"]+)".*/\1/' - country:
wget -qO- ip.guide | grep -E 'country' | sed -E 's/.*"([^"]+)".*/\1/' - your public IP address:
wget -qO- ip.guide | grep -E 'ip' | sed -E 's/.*"([^"]+)".*/\1/' - ASN number of your network:
wget -qO- ip.guide | grep -oP '"asn":\s*\K\d+'
Storing and comparing those data when there is some suspicious network change/activity, would be useful.