IP Address: 183.104.220.152

Threat level: 26%

Attack count: 376

Country: South Korea

Region: Gyeongsangnam-do

City: Jinju

ASN: 4766

ISP: Korea Telecom

Net Block: 183.102.27.0-183.108.95.255

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

✅ Gordon

2 months ago

ipban 2.0.0

BruteForce

SMTP

✅ Chris

2 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

2 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Arvoreen

2 months ago

fail2ban

BruteForce

postfix

✅ Craig

2 months ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

2 months ago

Real-time Intercept: SMTP attack. Reference: 2026-06-06 02:25:41.2677 Login failure: 183.104.220.152 SMTP

BruteForce, Hacking

SMTP

✅ Tim Walker

2 months ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Anonymous

2 months ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Gordon

2 months ago

ipban 2.0.0

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

✅ Pedro Johansson

2 months ago

ipbanpro 5.0.0

BruteForce

IceWarp

✅ Chris

2 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Gordon

2 months ago

ipban 2.0.0

BruteForce

SMTP

✅ Chris

2 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Pedro Johansson

2 months ago

ipbanpro 5.0.0

BruteForce

IceWarp

✅ Anonymous

2 months ago

Real-time Intercept: SMTP attack. Reference: 2026-05-25 09:25:40.7853 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Anonymous

2 months ago

Real-time Intercept: SMTP attack. Reference: 2026-05-24 12:56:24.7213 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Chris

2 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

2 months ago

Real-time Intercept: SMTP attack. Reference: 2026-05-22 11:54:40.7587 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Tesi Supporto

2 months ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Craig

2 months ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

3 months ago

Real-time Intercept: SMTP attack. Reference: 2026-05-21 10:13:12.2719 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

3 months ago

Real-time Intercept: SMTP attack. Reference: 2026-05-20 14:11:42.1152 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Arvoreen

3 months ago

fail2ban

BruteForce

postfix

✅ Tim Walker

3 months ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Anonymous

3 months ago

SMTP attack detected. 2026-05-16 12:25:19.2702 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Arvoreen

3 months ago

fail2ban

BruteForce

postfix

✅ tuya

3 months ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Anonymous

3 months ago

SMTP attack detected. 2026-05-15 11:30:51.1270 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Anonymous

3 months ago

SMTP attack detected. 2026-05-15 02:26:16.8081 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tesi Supporto

3 months ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Anonymous

3 months ago

SMTP attack detected. 2026-05-11 05:37:58.2041 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

3 months ago

SMTP attack detected. 2026-05-09 12:38:25.0871 Login failure: 183.104.220.152 SMTP

BruteForce

SMTP

✅ Arvoreen

3 months ago

fail2ban

BruteForce

postfix

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tesi Supporto

3 months ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Craig

3 months ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Gordon

3 months ago

ipban 2.0.0

BruteForce

SMTP

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tim Walker

3 months ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Chris

3 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Gordon

3 months ago

ipban 2.0.0

BruteForce

SMTP

✅ Gordon

4 months ago

ipban 2.0.0

BruteForce

SMTP

✅ Craig

4 months ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tesi Supporto

4 months ago

fail2ban

BruteForce

tesi_postfix-auth

✅ Arvoreen

4 months ago

fail2ban

BruteForce

postfix

✅ Chris

4 months ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ tuya

4 months ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail