This IP address has been reported a total of
2,627
times from
159 distinct
sources.
206.1.21.1 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.
2026-06-12T01:36:45.186895shield sshd\[18350\]: Invalid user testuser from 206.1.21.1 port 6090
2026 ...
show more2026-06-12T01:36:45.186895shield sshd\[18350\]: Invalid user testuser from 206.1.21.1 port 6090
2026-06-12T01:36:45.379787shield sshd\[18350\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-12T01:36:46.857987shield sshd\[18350\]: Failed password for invalid user testuser from 206.1.21.1 port 6090 ssh2
2026-06-12T01:44:57.353519shield sshd\[19997\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1 user=root
2026-06-12T01:44:58.706788shield sshd\[19997\]: Failed password for root from 206.1.21.1 port 10870 ssh2
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2026-06-12T01:12:29.251919shield sshd\[12566\]: Invalid user weblogic from 206.1.21.1 port 55108
202 ...
show more2026-06-12T01:12:29.251919shield sshd\[12566\]: Invalid user weblogic from 206.1.21.1 port 55108
2026-06-12T01:12:29.446714shield sshd\[12566\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-12T01:12:31.707246shield sshd\[12566\]: Failed password for invalid user weblogic from 206.1.21.1 port 55108 ssh2
2026-06-12T01:20:31.107856shield sshd\[14574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1 user=root
2026-06-12T01:20:32.872920shield sshd\[14574\]: Failed password for root from 206.1.21.1 port 3196 ssh2
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2026-06-12T00:48:48.217225shield sshd\[7567\]: Invalid user zabbix from 206.1.21.1 port 10768
2026-0 ...
show more2026-06-12T00:48:48.217225shield sshd\[7567\]: Invalid user zabbix from 206.1.21.1 port 10768
2026-06-12T00:48:48.416942shield sshd\[7567\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-12T00:48:50.935665shield sshd\[7567\]: Failed password for invalid user zabbix from 206.1.21.1 port 10768 ssh2
2026-06-12T00:56:37.022322shield sshd\[9366\]: Invalid user informix from 206.1.21.1 port 2946
2026-06-12T00:56:37.216084shield sshd\[9366\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
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2026-06-12T00:25:41.305480shield sshd\[2546\]: Invalid user postgres from 206.1.21.1 port 36654
2026 ...
show more2026-06-12T00:25:41.305480shield sshd\[2546\]: Invalid user postgres from 206.1.21.1 port 36654
2026-06-12T00:25:41.506546shield sshd\[2546\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-12T00:25:42.945931shield sshd\[2546\]: Failed password for invalid user postgres from 206.1.21.1 port 36654 ssh2
2026-06-12T00:33:16.672873shield sshd\[4113\]: Invalid user user1 from 206.1.21.1 port 50958
2026-06-12T00:33:16.875474shield sshd\[4113\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
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2026-06-12T00:03:02.999844shield sshd\[29509\]: Invalid user nagios from 206.1.21.1 port 7408
2026-0 ...
show more2026-06-12T00:03:02.999844shield sshd\[29509\]: Invalid user nagios from 206.1.21.1 port 7408
2026-06-12T00:03:03.191460shield sshd\[29509\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-12T00:03:05.201647shield sshd\[29509\]: Failed password for invalid user nagios from 206.1.21.1 port 7408 ssh2
2026-06-12T00:10:29.467499shield sshd\[31121\]: Invalid user web from 206.1.21.1 port 29824
2026-06-12T00:10:29.665423shield sshd\[31121\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
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2026-06-11T23:41:13.597848shield sshd\[24578\]: pam_unix\(sshd:auth\): authentication failure\; logn ...
show more2026-06-11T23:41:13.597848shield sshd\[24578\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1 user=ftp
2026-06-11T23:41:15.433824shield sshd\[24578\]: Failed password for ftp from 206.1.21.1 port 40344 ssh2
2026-06-11T23:48:24.131877shield sshd\[26194\]: Invalid user user from 206.1.21.1 port 24160
2026-06-11T23:48:24.328237shield sshd\[26194\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-11T23:48:25.666676shield sshd\[26194\]: Failed password for invalid user user from 206.1.21.1 port 24160 ssh2
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2026-06-11T23:19:38.544597shield sshd\[19859\]: Invalid user testuser from 206.1.21.1 port 22630
202 ...
show more2026-06-11T23:19:38.544597shield sshd\[19859\]: Invalid user testuser from 206.1.21.1 port 22630
2026-06-11T23:19:38.747118shield sshd\[19859\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-11T23:19:40.477809shield sshd\[19859\]: Failed password for invalid user testuser from 206.1.21.1 port 22630 ssh2
2026-06-11T23:26:53.622028shield sshd\[21482\]: Invalid user jack from 206.1.21.1 port 6740
2026-06-11T23:26:53.814843shield sshd\[21482\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
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2026-06-11T22:58:34.836023shield sshd\[15129\]: Invalid user mysql from 206.1.21.1 port 52604
2026-0 ...
show more2026-06-11T22:58:34.836023shield sshd\[15129\]: Invalid user mysql from 206.1.21.1 port 52604
2026-06-11T22:58:35.028619shield sshd\[15129\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-11T22:58:37.360848shield sshd\[15129\]: Failed password for invalid user mysql from 206.1.21.1 port 52604 ssh2
2026-06-11T23:05:32.412988shield sshd\[16741\]: Invalid user test2 from 206.1.21.1 port 37974
2026-06-11T23:05:32.617554shield sshd\[16741\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
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2026-06-11T22:38:09.912825shield sshd\[11149\]: Invalid user oracle from 206.1.21.1 port 14220
2026- ...
show more2026-06-11T22:38:09.912825shield sshd\[11149\]: Invalid user oracle from 206.1.21.1 port 14220
2026-06-11T22:38:10.104834shield sshd\[11149\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-11T22:38:11.937183shield sshd\[11149\]: Failed password for invalid user oracle from 206.1.21.1 port 14220 ssh2
2026-06-11T22:44:50.726812shield sshd\[12378\]: Invalid user nagios from 206.1.21.1 port 5644
2026-06-11T22:44:50.925971shield sshd\[12378\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
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2026-06-11T22:18:05.015620shield sshd\[6707\]: Invalid user ftpuser from 206.1.21.1 port 34344
2026- ...
show more2026-06-11T22:18:05.015620shield sshd\[6707\]: Invalid user ftpuser from 206.1.21.1 port 34344
2026-06-11T22:18:05.218989shield sshd\[6707\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
2026-06-11T22:18:07.285742shield sshd\[6707\]: Failed password for invalid user ftpuser from 206.1.21.1 port 34344 ssh2
2026-06-11T22:24:45.764300shield sshd\[8051\]: Invalid user ftpuser from 206.1.21.1 port 1492
2026-06-11T22:24:45.960322shield sshd\[8051\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.1.21.1
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