AbuseIPDB » 121.155.40.28

121.155.40.28 was found in our database!

This IP was reported 124 times. Confidence of Abuse is 89%: ?

89%
ISP Korea Telecom
Usage Type Fixed Line ISP
ASN AS4766
Domain Name kt.com
Country ๐Ÿ‡ฐ๐Ÿ‡ท Korea (the Republic of)
City Sokcho, Gangwon-do

IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

IP Abuse Reports for 121.155.40.28:

This IP address has been reported a total of 124 times from 70 distinct sources. 121.155.40.28 was first reported on , and the most recent report was .

Recent Reports: We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.

Reporter IoA Timestamp (UTC) Comment Categories
๐Ÿ‡ฎ๐Ÿ‡ณ evicky2002
Confirmed malicious by STILWaters CTI platform (score=90, sources=1)
Hacking Brute-Force SSH
Anonymous
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
๐Ÿ‡ฉ๐Ÿ‡ช EGP Abuse Dept
Scanning for port/service exploits on tpc-016.mach3builders.nl
Port Scan Hacking
๐Ÿ‡ซ๐Ÿ‡ท IpdbBot
Too many invalid connections
Hacking
๐Ÿ‡ฉ๐Ÿ‡ช mnpx
SMTP brute forcing (4ร— over 2h:58m); first seen here 2026-08-06T14:29Z
Brute-Force
๐Ÿ‡ฉ๐Ÿ‡ช mnpx
SMTP brute forcing (3ร— over 2h:30m); first seen here 2026-08-06T14:29Z
Brute-Force
Anonymous
Authentication failure
Brute-Force
๐Ÿ‡น๐Ÿ‡ญ thaizone.com
Password guessing attack (SM11) #1
Email Spam Brute-Force
๐Ÿ‡ณ๐Ÿ‡ฑ big-cloud.nl
Unauthorized SMTP connection attempt
Brute-Force
๐Ÿ‡ฉ๐Ÿ‡ช Paul Smith
Email Auth Brute force attack 1/1 in last day
Brute-Force
Anonymous
mail hacking
Hacking
๐Ÿ‡ฉ๐Ÿ‡ช kreativstrecke
Brute-Force
๐Ÿ‡ฉ๐Ÿ‡ช lister171254
Hacking
Anonymous
SMTP brute force - auth failed
Brute-Force Exploited Host
๐Ÿ‡ฉ๐Ÿ‡ช FeG Deutschland
Mail: - login with unknown user - bruteforce
Brute-Force

Showing 1 to 15 of 124 reports


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