IP Address: 20.203.204.11

Threat level: 35%

Attack count: 54

Country: Switzerland

Region: Zurich

City: Zurich

ASN: 8075

ISP: MICROSOFT-CORP-MSN-AS-BLOCK

Net Block: 20.184.0.0-20.255.255.255

Domain name: microsoft.com

Abuse contact: [email protected]

Stats (UTC)

Last 60 Minutes
Last 24 Hours
Last 30 days
Last 12 months

Discuss this ip address

Add comment...

Recent submissions

Reported by

Timestamp

Notes

Flags

System

✅ Chris

yesterday

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Pedro Johansson

yesterday

ipbanpro 5.0.0

BruteForce

IceWarp

✅ Shawn

yesterday

ipban 1.8.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Pedro Johansson

6 days ago

ipbanpro 5.0.0

BruteForce

IceWarp

✅ Anonymous

6 days ago

SMTP attack detected. 2026-05-14 02:53:42.6349 Login failure: 20.203.204.11 SMTP

BruteForce

SMTP

✅ akocan

8 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

8 days ago

SMTP attack detected. 2026-05-12 17:41:28.3351 Login failure: 20.203.204.11 SMTP

BruteForce

SMTP

✅ Shawn

8 days ago

ipban 1.8.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Pedro Johansson

8 days ago

ipbanpro 5.0.0

BruteForce

IceWarp

✅ Chris

8 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Craig

9 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ tuya

9 days ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Chris

9 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

9 days ago

SMTP attack detected. 2026-05-11 18:55:07.4999 Login failure: 20.203.204.11 SMTP

BruteForce

SMTP

✅ Terry

9 days ago

ipbanpro 4.4.0 - Authentication failed

BruteForce

SmarterMail