Anomaly
WhatsApp is likely blocked
Instant Messaging
Runtime: 10.2s
On April 07, 2025, 02:45 PM UTC, the testing of WhatsApp's web interface (web.whatsapp.com) presented signs of blocking on AS4766 in South Korea.
This might mean that web.whatsapp.com was blocked, but false positives can occur.
Please explore the network measurement data below. Check other WhatsApp measurements from the same network during the same time period (if they're available).
Mobile App
Okay
WhatsApp Web
Failed
Registration
Failed
Endpoint Status
Connection to 3.33.221.48:443 was successful.
Connection to 3.33.221.48:443 was successful.
Connection to 3.33.252.61:5222 was successful.
Connection to 15.197.206.217:5222 was successful.
Connection to 15.197.210.208:443 was successful.
Connection to 15.197.206.217:443 was successful.
Connection to 3.33.221.48:5222 was successful.
Connection to 15.197.206.217:5222 was successful.
Connection to 15.197.210.208:5222 was successful.
Connection to 3.33.221.48:443 was successful.
Connection to 3.33.221.48:5222 was successful.
Connection to 3.33.221.48:5222 was successful.
Connection to 15.197.206.217:443 was successful.
Connection to 3.33.221.48:443 was successful.
Connection to 15.197.210.208:443 was successful.
Connection to 15.197.210.208:443 was successful.
Connection to 3.33.252.61:443 was successful.
Connection to 15.197.206.217:5222 was successful.
Connection to 15.197.210.208:443 was successful.
Connection to 15.197.210.208:5222 was successful.
Connection to 3.33.221.48:5222 was successful.
Connection to 3.33.252.61:5222 was successful.
Connection to 15.197.210.208:443 was successful.
Connection to 15.197.210.208:5222 was successful.
Connection to 15.197.206.217:443 was successful.
Connection to 15.197.210.208:5222 was successful.
Connection to 3.33.221.48:443 was successful.
Connection to 15.197.210.208:5222 was successful.
Connection to 15.197.210.208:443 was successful.
Connection to 3.33.221.48:5222 was successful.
Connection to 3.33.252.61:443 was successful.
Connection to 15.197.210.208:5222 was successful.
Connection to 157.240.215.60:443 was successful.
Connection to 157.240.215.60:443 was successful.
Resolver
Resolver ASN
AS4766
Resolver IP
221.164.34.141
Resolver Network Name
Korea Telecom
Report ID
20250407T144536Z_whatsapp_KR_4766_n1_oWw6nRPRzpJtO4Vl
Platform
android
Software Name
ooniprobe-android-unattended (5.0.5)
Measurement Engine
ooniprobe-engine (3.24.0)