AbuseIPDB » 121.142.234.77
121.142.234.77 was found in our database!
This IP was reported 51 times. Confidence of Abuse is 100%: ?
| ISP | Korea Telecom |
|---|---|
| Usage Type | Fixed Line ISP |
| ASN | AS4766 |
| Domain Name | kt.com |
| Country | 🇰🇷 Korea (the Republic of) |
| City | Incheon, Incheon |
IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.
IP Abuse Reports for 121.142.234.77:
This IP address has been reported a total of 51 times from 44 distinct sources. 121.142.234.77 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 | |
|---|---|---|---|---|
| 🇫🇷 tecnicorioja |
SASL LOGIN authentication failed Sep 17 17:16:31
|
Brute-Force | ||
| 🇩🇪 FeG Deutschland |
Mail: - login with unknown user - bruteforce
|
Brute-Force | ||
| 🇯🇵 ki3 |
Fail2Ban: Postfix Attack 121.142.234.77 1789663391.0(JST)
|
Email Spam Brute-Force | ||
| 🇫🇮 inlink.ltd |
SMTP AUTH attack
|
Brute-Force | ||
| 🇮🇩 xveil |
|
Brute-Force | ||
| 🇩🇰 powerhostingdk |
|
Brute-Force | ||
| 🇩🇪 mnpx |
SMTP brute forcing (2× over 5h:59m); first seen here 2026-09-17T05:40Z
|
Brute-Force | ||
| 🇳🇱 globcom |
Mail-BruteForce
|
Email Spam Brute-Force | ||
| 🇩🇪 LRob |
|
Port Scan | ||
| 🇮🇩 xveil |
|
Brute-Force | ||
| 🇩🇪 Paul Smith |
Email Auth Brute force attack 1/1 in last day
|
Brute-Force | ||
| 🇫🇷 idfo |
warning: unknown[121.142.234.77]: SASL LOGIN authentication failed: (reason unavailable)
|
Brute-Force | ||
| 🇫🇷 pwozniak |
warning: unknown[121.142.234.77]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
|
Brute-Force | ||
| 🇦🇷 Honorable |
|
Brute-Force | ||
| 🇭🇺 Lacika555 |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force |
Showing 1 to 15 of 51 reports
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