EudorIA Threat Observatory

40.87.20.23

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

Confidencemedium6 catalogued events

First observation07/09/2026 08:26

Last observation19/09/2026 02:36

Controls areaWAF

Maximum rule level11/20

Network context

Estimated origin

Country: United States (US)
City: Dulles
ASN: AS8075
ASN operator / holder: MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US
Announced prefix: 40.80.0.0/12
Reverse DNS: PTR record not published

Last activity

Anomalous web request

Public destination: eudoria.it
Service: HTTPS protetto da WAF
Rule: 100604
Technical reason: EudorIA WAF blocked an external request with a high anomaly score from 40.87.20.23.
Outcome: Blocked / detected

Minimised history

Observed evidence

Last 6 publishable events

19/09/2026 02:36

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 40.87.20.23.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 30
Outcome: Blocked

19/09/2026 02:36

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 40.87.20.23.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 60
Outcome: Blocked

19/09/2026 02:36

WAF

Blocked web request

medium

EudorIA WAF blocked a request from 40.87.20.23.

Destination: eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 5
Outcome: Blocked

07/09/2026 08:26

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 40.87.20.23.

Destination: mail.eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 20
Outcome: Blocked

07/09/2026 08:26

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 40.87.20.23.

Destination: mail.eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 40
Outcome: Blocked

07/09/2026 08:26

WAF

Anomalous web request

medium

EudorIA WAF blocked an external request with a high anomaly score from 40.87.20.23.

Destination: mail.eudoria.it
Service: HTTPS protetto da WAF
Method: POST
Resource: /
Anomaly score: 10
Outcome: Blocked