Anomaly
https://hpulibraries.on.worldcat.org
HTTP blocking (HTTP requests failed)
Websites
Runtime: 1.5s
On April 26, 2025, 08:53 PM UTC, https://hpulibraries.on.worldcat.org presented signs of HTTP blocking (HTTP requests failed) on AS56040 in China.
This might mean that https://hpulibraries.on.worldcat.org was blocked, but false positives can occur.
Please explore the network measurement data below.
Failures
HTTP Experiment
connection_reset
DNS Experiment
null
Control
null
DNS Queries
Resolver:
66.185.114.250
Query:
IN ANY hpulibraries.on.worldcat.org
Engine:
getaddrinfo
Name
Class
TTL
Type
DATA
@
IN
A
172.64.155.68
@
IN
A
104.18.32.188
@
IN
CNAME
hpulibraries.on.worldcat.org.
Query:
IN A hpulibraries.on.worldcat.org
Engine:
udp
Name
Class
TTL
Type
DATA
@
IN
A
172.64.155.68
@
IN
A
104.18.32.188
Query:
IN AAAA hpulibraries.on.worldcat.org
Engine:
udp
dns_no_answer
TCP Connections
Connection to 172.64.155.68:443 succeeded.
Connection to 104.18.32.188:443 succeeded.
HTTP Requests
Resolver
Resolver ASN
AS42
Resolver IP
66.185.114.250
Resolver Network Name
WoodyNet, Inc.
Report ID
20250426T192837Z_webconnectivity_CN_56040_n1_73AqYtWVbqvw2w3z
Platform
React OS
Software Name
ooniprobe-react-os (3.25.0-alpha)
Measurement Engine
ooniprobe-engine (3.25.0-alpha)