IP Address: 221.164.237.124

Threat level: 0%

Attack count: 53

Country: South Korea

Region: Gyeongsangbuk-do

City: Gimcheon

ASN: 4766

ISP: Korea Telecom

Net Block: 221.164.72.0-221.165.30.255

Domain name: kt.com

Abuse contact: [email protected]

Stats (UTC)

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

Discuss this ip address

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Recent submissions

Reported by

Timestamp

Notes

Flags

System

✅ Tesi Supporto

3 days ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Tim Walker

9 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Arvoreen

17 days ago

fail2ban

BruteForce

postfix

✅ Craig

18 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

18 days ago

Real-time Intercept: SMTP attack. Reference: 2026-06-23 22:41:28.4216 Login failure: 221.164.237.124 SMTP

BruteForce, Hacking

SMTP

✅ Gordon

19 days ago

ipban 2.0.0

BruteForce

SMTP

✅ Anonymous

20 days ago

Real-time Intercept: SMTP attack. Reference: 2026-06-22 07:06:34.3871 Login failure: 221.164.237.124 SMTP

BruteForce, Hacking

SMTP

✅ Anonymous

22 days ago

Real-time Intercept: SMTP attack. Reference: 2026-06-20 13:17:17.3386 Login failure: 221.164.237.124 SMTP

BruteForce, Hacking

SMTP

✅ Gordon

one month ago

ipban 2.0.0

BruteForce

SMTP

✅ Chris

one month ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ WEBMEDIA

one month ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

2 months ago

SMTP attack detected. 2026-05-11 10:01:40.0151 Login failure: 221.164.237.124 SMTP

BruteForce

SMTP

✅ Chris

2 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tesi Supporto

2 months ago

fail2ban

BruteForce

tesi_postfix-auth

✅ tuya

2 months ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Anonymous

2 months ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ DerFluppy

10 months ago

ipban 2.0.1 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

11 months ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

one year ago

fail2ban

BruteForce

postfix

✅ WEBMEDIA

one year ago

ipbanpro 4.2.0

BruteForce

MailEnable

✅ WEBMEDIA

one year ago

ipbanpro 4.1.0

BruteForce

MailEnable

✅ Craig

one year ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ WEBMEDIA

one year ago

ipbanpro 4.0.0

BruteForce

MailEnable

✅ Tim Walker

one year ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ DerFluppy

one year ago

ipban 2.0.1 - Invalid Username or Password

BruteForce

MailEnable

✅ WEBMEDIA

one year ago

ipbanpro 4.0.0

BruteForce

MailEnable

✅ Craig

one year ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tim Walker

one year ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ tuya

one year ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Tim Walker

one year ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Tim Walker

one year ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ tuya

one year ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Tim Walker

one year ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Anonymous

one year ago

ipban 1.8.0 - Invalid Username or Password

BruteForce

MailEnable