IP Address: 116.21.161.64

Threat level: 24%

Attack count: 21

Country: China

Region: Guangdong

City: Guangzhou

ASN: 4134

ISP: Chinanet

Net Block: 116.16.0.0-116.31.255.255

Domain name: chinatelecom.cn

Stats (UTC)

Reported by

Timestamp

Notes

Flags

System

✅ Tim Walker

2 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Anonymous

2 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Gordon

3 days ago

ipban 2.0.0

BruteForce

SMTP

✅ Craig

3 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

3 days ago

Real-time Intercept: SMTP attack. Reference: 2026-07-04 02:33:07.0708 Login failure: 116.21.161.64 SMTP

BruteForce, Hacking

SMTP