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On May 21, 2021, 02:58 PM UTC, the testing of the Signal app presented signs of blocking on AS4134 in China.
This might mean that Signal was blocked, but false positives can occur.
Please explore the network measurement data below. Check other Signal measurements from the same network during the same time period (if they're available).
Resolver
Resolver ASN
AS4134
Resolver IP
221.228.15.138
Resolver Network Name
China Telecom
Measurement UID
20210521145843.211404_CN_signal_c722af5182ccedaa
Report ID
20210521T145812Z_signal_CN_4134_n1_oMnqbO0wN9OXowCu
Platform
macos
Software Name
ooniprobe-desktop-unattended (3.9.2)
Measurement Engine
ooniprobe-engine (3.9.2)