AbuseIPDB » 121.142.127.21

121.142.127.21 was found in our database!

This IP was reported 6,689 times. Confidence of Abuse is 100%: ?

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 biweekly.

IP Abuse Reports for 121.142.127.21:

This IP address has been reported a total of 6,689 times from 187 distinct sources. 121.142.127.21 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 in UTC Comment Categories
☢MiG☢
TelNet probe(s) @ TCP 23 KR
Port Scan
bulkvm.com
[bulkvm.com/honeypot] SSH-Multi login Attempt
Brute-Force SSH
Hirte
C2-W: TCP-Scanner. Port: 23
Port Scan
Study Bitcoin 🤗
Port probe to tcp/23 (telnet)
[srv124]
Port Scan Hacking
RAP
2025-01-01 21:48:21 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
security.rdmc.fr
IP in Malicious Database
Web App Attack
Anonymous
Port Scan Hacking Brute-Force
iNetWorker
firewall-block, port(s): 23/tcp
Port Scan
RiversideRocks
Unauthorized connection attempt detected from IP address 121.142.127.21 to port 23 [BLR]
Port Scan Hacking
security.rdmc.fr
IP in Malicious Database
Web App Attack
MPL
tcp/23
Port Scan
MPL
tcp/23 (2 or more attempts)
Port Scan
RAP
2024-12-30 09:33:54 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
ATV
Unsolicited connection attempts to port 23
Hacking
Hirte
C1-W: TCP-Scanner. Port: 23
Port Scan

Showing 91 to 105 of 6689 reports


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