August 19, 2022 at 7:39:12 PM UTC
VERIFY
Anomaly
TCP/IP blocking
Websites
Runtime: 45.2s
On August 19, 2022 at 7:39:12 PM UTC, https://massbrowser.cs.umass.edu/ presented signs of TCP/IP blocking on AS41872 in Switzerland.
This might mean that https://massbrowser.cs.umass.edu/ 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:
172.253.12.1
Query:
IN A massbrowser.cs.umass.edu
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
54.87.130.18
AS14618 (Amazon.com, Inc.)
TCP Connections
54.87.130.18:443: failed (generic_timeout_error)
HTTP Requests
No data
Resolver
Resolver ASN
AS15169
Resolver IP
172.253.12.1
Resolver Network Name
Google LLC
Measurement UID
20220819193911.615300_CH_webconnectivity_adcb99f87cef1a7b
Report ID
20220819T193331Z_webconnectivity_CH_41872_n1_leZl6k7hxojWQL1H
Platform
windows
Software Name
ooniprobe-desktop-unattended (3.14.1)
Measurement Engine
ooniprobe-engine (3.14.1)