September 19, 2021 at 11:29:44 AM UTC
VERIFY
Anomaly
TCP/IP blocking
Websites
Runtime: 1m
On September 19, 2021 at 11:29:44 AM UTC, https://twitter.com/aiww/ presented signs of TCP/IP blocking on AS4837 in China.
This might mean that https://twitter.com/aiww/ 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:
127.0.0.2
Query:
IN A twitter.com
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
199.16.158.190
AS13414 (Twitter Inc.)
Query:
IN AAAA twitter.com
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
AAAA
2001::c765:8521
AS6939 (Hurricane Electric LLC)
TCP Connections
2001::c765:8521:443: failed (unknown_failure: dial tcp [scrubbed]: connect: network is unreachable)
199.16.158.190:443: failed (generic_timeout_error)
HTTP Requests
No data
Resolver
Resolver ASN
AS0
Resolver IP
127.0.0.2
Resolver Network Name
Measurement UID
20210919113059.965374_CN_webconnectivity_be3e700844a25f56
Report ID
20210919T112637Z_webconnectivity_CN_4837_n1_XvOxQzdJUBdsVipN
Platform
android
Software Name
ooniprobe-android (3.2.0)
Measurement Engine
ooniprobe-engine (3.10.0-beta.3)