Network tampering
12 unexpected header change
Middleboxes
Runtime: 118ms
On October 02, 2025, 09:47 AM UTC, network traffic was manipulated when contacting our control servers.
This means that there might be a middlebox on 2852 in Czechia, which could be responsible for censorship and/or surveillance.
Resolver
Resolver ASN
AS15169
Resolver IP
172.217.34.29
Resolver Network Name
Google LLC
Report ID
20251002T094744Z_httpheaderfieldmanipulation_CZ_2852_n4_HUBugSVOJvoxo2Xp
Platform
android
Software Name
ooniprobe-android-unattended (5.0.6)
Measurement Engine
ooniprobe-engine (3.25.0)