EudorIA Threat Observatory

43.166.221.250

Technical source observed on EudorIA perimeter controls. All the events listed were blocked, contained or detected by the defensive systems.

Confidencehigh13 catalogued events

First observation29/08/2026 11:03

Last observation29/08/2026 11:04

Controls areaWAF

Maximum rule level12/20

Network context

Estimated origin

Country: Singapore (SG)
City: Location not published by the sources
ASN: AS132203
ASN operator / holder: TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue, CN
Announced prefix: 43.166.192.0/19
Reverse DNS: PTR record not published

Last activity

Blocked web request

Public destination: eudoria.it
Service: HTTPS protetto da WAF
Rule: 100600
Technical reason: EudorIA WAF blocked a request from 43.166.221.250.
Outcome: Blocked / detected

Minimised history

Observed evidence

Last 13 publishable events

29/08/2026 11:04

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: GET
Resource: /
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 13
Outcome: Blocked

29/08/2026 11:03

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Repeated web activity

high

EudorIA WAF blocked repeated requests from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: GET
Resource: /doh
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: GET
Resource: /doh
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /doh
Anomaly score: 13
Outcome: Blocked

29/08/2026 11:03

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /doh
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: GET
Resource: /resolve
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Repeated web activity

high

EudorIA WAF blocked repeated requests from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /resolve
Anomaly score: 13
Outcome: Blocked

29/08/2026 11:03

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /resolve
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: GET
Resource: /dns-query
Anomaly score: 8
Outcome: Blocked

29/08/2026 11:03

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /dns-query
Anomaly score: 13
Outcome: Blocked

29/08/2026 11:03

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 43.166.221.250.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /dns-query
Anomaly score: 8
Outcome: Blocked