Anomaly
failure: generic_timeout_error
Instant Messaging
Runtime: 15.1s
On August 09, 2025, 01:55 PM UTC, the testing of Telegram's mobile app and web interface (web.telegram.org) presented signs of blocking on AS9871 in South Korea.
This might mean that both Telegram's mobile app and web interface were blocked, but false positives can occur.
Please explore the network measurement data below. Check other Telegram measurements from the same network during the same time period (if they're available).
Mobile App
Okay
Telegram Web
Failed
Endpoint Status
Connection to 149.154.175.50:443 was successful.
Connection to 149.154.175.50:80 was successful.
Connection to 149.154.167.51:80 was successful.
Connection to 149.154.167.51:443 was successful.
Connection to 149.154.175.100:443 was successful.
Connection to 149.154.175.100:80 was successful.
Connection to 149.154.167.91:80 was successful.
Connection to 149.154.167.91:443 was successful.
Connection to 149.154.171.5:80 was successful.
Connection to 149.154.171.5:443 was successful.
Connection to 95.161.76.100:443 was successful.
Connection to 95.161.76.100:80 was successful.
Connection to 149.154.167.99:443 failed.
Connection to 2001:67c:4e8:f004::9:443 failed.
Resolver
Resolver ASN
AS15169
Resolver IP
172.253.236.157
Resolver Network Name
Google LLC
Report ID
20250809T135527Z_telegram_KR_9871_n1_REKZ7MzoCBqSYojP
Platform
android
Software Name
ooniprobe-android-unattended (5.1.0)
Measurement Engine
ooniprobe-engine (3.26.0)