IP Address: 121.138.168.221

Threat level: 9%

Attack count: 48

Country: South Korea

Region: Seoul

City: Dongjak-gu

ASN: 4766

ISP: Korea Telecom

Net Block: 121.138.31.0-121.139.136.255

Domain name: kt.com

Abuse contact: [email protected]

Stats (UTC)

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

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System

✅ Ib

9 hours ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchange

yesterday

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

3 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

4 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

6 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

7 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

9 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

10 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Ib

12 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchange

13 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

17 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

19 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

22 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

23 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

26 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Alexandr Kulkov

one month ago

fail2ban

BruteForce

sshd

one month ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Ib

one month ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchange

✅ Alex

2 months ago

ipban 1.8.0

BruteForce

MailEnable

✅ Ib

2 months ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchange

2 months ago

SMTP credential brute-force attack on port 25 blocked.

BruteForce, Hacking

SMTP

✅ Anonymous

2 months ago

ipban 1.8.0 - Invalid Username or Password

BruteForce

MailEnable

2 months ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

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