IP Address: 138.59.155.142

Threat level: 0%

Attack count: 2

Country: Brazil

Region: Rio de Janeiro

City: Sao Joao de Meriti

ASN: 270870

ISP: LINK DIGITAL TELECOM LTDA - ME

Net Block: 138.59.152.0-138.59.155.255

Stats (UTC)

Reported by

Timestamp

Notes

Flags

System

13 days ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Anonymous

15 days ago

Real-time Intercept: SMTP attack. Reference: 2026-10-12 07:56:54.5802 Login failure: 138.59.155.142 SMTP

BruteForce, Hacking

SMTP