IP Address: 27.72.241.209

Threat level: 0%

Attack count: 3

Country: Vietnam

Region: Haiphong

City: Haiphong

ASN: 7552

ISP: Viettel Group

Net Block: 27.71.240.0-27.79.255.255

Domain name: viettel.com.vn (www.viettel.com.vn)

Stats (UTC)

Reported by

Timestamp

Notes

Flags

System

14 days ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Anonymous

14 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-30 11:36:47.9355|WARN|Login failure: 27.72.241.209, , SMTP, 1,

BruteForce

SMTP

one month ago

fail2ban

BruteForce

tesi_postfix-auth