IP Address: 155.4.209.51

Threat level: 62%

Attack count: 25

Country: Sweden

Region: Värmland County

City: Karlstad

ASN: 8473

ISP: Bahnhof AB

Net Block: 155.4.0.0-155.4.255.255

Domain name: www.bahnhof.net

Stats (UTC)

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

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Timestamp

Notes

Flags

System

✅ Arvoreen

3 hours ago

fail2ban

BruteForce

postfix

✅ Craig

6 hours ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

14 hours ago

fail2ban

BruteForce

postfix

✅ Anonymous

16 hours ago

Real-time Intercept: SMTP attack. Reference: 2026-05-22 21:30:17.9448 Login failure: 155.4.209.51 SMTP

BruteForce

SMTP

✅ Gordon

2 days ago

ipban 2.0.0

BruteForce

SMTP

✅ Anonymous

2 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-21 06:44:37.1621 Login failure: 155.4.209.51 SMTP

BruteForce

SMTP

✅ Anonymous

2 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-20 14:10:11.9549 Login failure: 155.4.209.51 SMTP

BruteForce

SMTP

✅ tuya

3 days ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail