Anomaly
https://cdn.fbsbx.com/favicon.ico
HTTP blocking (HTTP requests failed)
Websites
Runtime: 36.2s
On January 18, 2025, 07:29 AM UTC, https://cdn.fbsbx.com/favicon.ico presented signs of HTTP blocking (HTTP requests failed) on AS4134 in China.
This might mean that https://cdn.fbsbx.com/favicon.ico was blocked, but false positives can occur.
Please explore the network measurement data below.
Failures
HTTP Experiment
generic_timeout_error
DNS Experiment
null
Control
null
DNS Queries
Resolver:
172.253.0.19
Query:
IN A cdn.fbsbx.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
157.240.11.22
TCP Connections
Connection to 157.240.11.22:443 succeeded.
HTTP Requests
No Data
Resolver
Resolver ASN
AS15169
Resolver IP
172.253.0.19
Resolver Network Name
Google LLC
Report ID
20250118T064842Z_webconnectivity_CN_4134_n1_1QV8X61joHN30OdE
Platform
windows
Software Name
ooniprobe-desktop-unattended (3.23.0)
Measurement Engine
ooniprobe-engine (3.23.0)