IP Address: 123.212.9.122


Threat level: 47%
Attack count: 510
Country: South Korea
Region: Seoul
City: Gangdong-gu
ASN: 9318
ISP: SK Broadband Co Ltd
Net Block: 123.212.0.0-123.212.236.255
Domain name: skbroadband.com
Abuse contact: [email protected]
Stats (UTC)

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Recent submissions


« ‹ 0 1 2 › »
Reported by
Timestamp
Notes
Flags
System
14 hours ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
yesterday
fail2ban
BruteForce
postfix
2 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Gordon
2 days ago
ipban 2.0.0
BruteForce
SMTP
4 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
4 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
5 days ago
fail2ban
BruteForce
tesi_postfix-auth
6 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
7 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
7 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
8 days ago
fail2ban
BruteForce
postfix
✅ Chris
8 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
9 days ago
ipban 2.0.0
BruteForce
SMTP
9 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
9 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
10 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
11 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
12 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
12 days ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
12 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Craig
14 days ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
15 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
15 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
16 days ago
ipban 2.0.0
BruteForce
SMTP
17 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
17 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
19 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
19 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
19 days ago
fail2ban
BruteForce
tesi_postfix-auth
20 days ago
fail2ban
BruteForce
postfix
✅ Chris
21 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
21 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-24 01:20:58.4923 Login failure: 123.212.9.122 SMTP
BruteForce, Hacking
SMTP
✅ tuya
22 days ago
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
✅ Anonymous
23 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-22 00:20:32.6453 Login failure: 123.212.9.122 SMTP
BruteForce, Hacking
SMTP
✅ Gordon
24 days ago
ipban 2.0.0
BruteForce
SMTP
✅ Chris
25 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
25 days ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
26 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
27 days ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
28 days ago
Real-time Intercept: SMTP attack. Reference: 2026-06-17 02:42:23.6301 Login failure: 123.212.9.122 SMTP
BruteForce, Hacking
SMTP
✅ Craig
28 days ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
28 days ago
fail2ban
BruteForce
postfix
✅ Chris
28 days ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
one month ago
ipban 2.0.0
BruteForce
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
fail2ban
BruteForce
postfix
one month ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
one month ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Gordon
one month ago
ipban 2.0.0
BruteForce
SMTP
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-06-06 03:30:36.4692 Login failure: 123.212.9.122 SMTP
BruteForce, Hacking
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipbanpro 5.0.0
BruteForce
IceWarp
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Craig
one month ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipbanpro 5.0.0
BruteForce
IceWarp
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Gordon
one month ago
ipban 2.0.0
BruteForce
SMTP
one month ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-24 07:26:17.2479 Login failure: 123.212.9.122 SMTP
BruteForce
SMTP
✅ tuya
one month ago
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-23 07:00:06.6755 Login failure: 123.212.9.122 SMTP
BruteForce
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-20 11:54:11.7144 Login failure: 123.212.9.122 SMTP
BruteForce
SMTP
one month ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
one month ago
Real-time Intercept: SMTP attack. Reference: 2026-05-19 04:33:39.6095 Login failure: 123.212.9.122 SMTP
BruteForce
SMTP
✅ Chris
one month ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
one month ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Gordon
one month ago
ipban 2.0.0
BruteForce
SMTP
✅ Craig
one month ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
2 months ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
2 months ago
SMTP attack detected. 2026-05-15 23:35:33.3062 Login failure: 123.212.9.122 SMTP
BruteForce
SMTP
✅ Chris
2 months ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Anonymous
2 months ago
SMTP attack detected. 2026-05-12 16:42:51.4189 Login failure: 123.212.9.122 SMTP
BruteForce
SMTP
2 months ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Anonymous
2 months ago
SMTP attack detected. 2026-05-10 13:43:14.5160 Login failure: 123.212.9.122 SMTP
BruteForce
SMTP
2 months ago
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
✅ Anonymous
2 months ago
SMTP attack detected. 2026-05-08 21:47:30.2365 Login failure: 123.212.9.122 SMTP
None
SMTP
✅ 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
2 months ago
fail2ban
BruteForce
tesi_postfix-auth
✅ Craig
2 months ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
✅ 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
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
2 months ago
fail2ban
BruteForce
tesi_postfix-auth
✅ 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
✅ Chris
2 months ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
2 months ago
fail2ban
BruteForce
postfix
✅ Chris
3 months ago
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
✅ Craig
3 months ago
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
« ‹ 0 1 2 › »
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