This IP address has been reported a total of
35
times from
31 distinct
sources.
157.66.81.100 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.
Oct 22 12:00:23 uranus sshd[183790]: Invalid user jramirez from 157.66.81.100 port 34876
Oct 22 12:0 ...
show moreOct 22 12:00:23 uranus sshd[183790]: Invalid user jramirez from 157.66.81.100 port 34876
Oct 22 12:00:23 uranus sshd[183790]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.66.81.100
Oct 22 12:00:23 uranus sshd[183790]: Invalid user jramirez from 157.66.81.100 port 34876
Oct 22 12:00:25 uranus sshd[183790]: Failed password for invalid user jramirez from 157.66.81.100 port 34876 ssh2
Oct 22 12:01:45 uranus sshd[185985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.66.81.100 user=root
Oct 22 12:01:47 uranus sshd[185985]: Failed password for root from 157.66.81.100 port 59300 ssh2
Oct 22 12:03:09 uranus sshd[188178]: Invalid user devtest from 157.66.81.100 port 55494
Oct 22 12:03:09 uranus sshd[188178]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.66.81.100
Oct 22 12:03:09 uranus sshd[188178]: Invalid user devtest from 157.66.81.100 port 55494
Oct 2
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2026-10-22T12:27:41.830815-04:00 virtualizor.smilehost.com.br sshd-session[639243]: Failed password ...
show more2026-10-22T12:27:41.830815-04:00 virtualizor.smilehost.com.br sshd-session[639243]: Failed password for invalid user lx from 157.66.81.100 port 52690 ssh2
2026-10-22T12:30:58.916562-04:00 virtualizor.smilehost.com.br sshd-session[641092]: Invalid user unknown from 157.66.81.100 port 57936
2026-10-22T12:30:58.923171-04:00 virtualizor.smilehost.com.br sshd-session[641092]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.66.81.100
2026-10-22T12:31:00.720842-04:00 virtualizor.smilehost.com.br sshd-session[641092]: Failed password for invalid user unknown from 157.66.81.100 port 57936 ssh2
2026-10-22T12:32:27.466584-04:00 virtualizor.smilehost.com.br sshd-session[641857]: Invalid user sh from 157.66.81.100 port 54084
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Oct 22 16:23:31 obsidian sshd[3617253]: Invalid user lx from 157.66.81.100 port 50080
Oct 22 16:30:1 ...
show moreOct 22 16:23:31 obsidian sshd[3617253]: Invalid user lx from 157.66.81.100 port 50080
Oct 22 16:30:17 obsidian sshd[3633324]: Invalid user unknown from 157.66.81.100 port 45482
Oct 22 16:31:46 obsidian sshd[3635976]: Invalid user sh from 157.66.81.100 port 41638
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Brute-Force
SSH
Anonymous
This IP was detected by CrowdSec triggering crowdsecurity/ssh-slow-bf. Ip: 157.66.81.100 - ASN: 1359 ...
show moreThis IP was detected by CrowdSec triggering crowdsecurity/ssh-slow-bf. Ip: 157.66.81.100 - ASN: 135918 (VIET DIGITAL TECHNOLOGY LIABILITY COMPANY) - Maliciousness Score is 0 %
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Oct 22 09:07:48 fortemn sshd[240252]: Invalid user alvin from 157.66.81.100 port 36242
Oct 22 09:16: ...
show moreOct 22 09:07:48 fortemn sshd[240252]: Invalid user alvin from 157.66.81.100 port 36242
Oct 22 09:16:06 fortemn sshd[242198]: Invalid user intern from 157.66.81.100 port 44050
Oct 22 09:17:31 fortemn sshd[242241]: Invalid user wl from 157.66.81.100 port 40236
Oct 22 09:18:53 fortemn sshd[242304]: Invalid user andrei from 157.66.81.100 port 36412
Oct 22 09:20:18 fortemn sshd[242911]: Invalid user puppet from 157.66.81.100 port 60822
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2026-10-22T15:06:08.330779+00:00 n1e8d16 sshd-session[2429311]: Invalid user alvin from 157.66.81.10 ...
show more2026-10-22T15:06:08.330779+00:00 n1e8d16 sshd-session[2429311]: Invalid user alvin from 157.66.81.100 port 50820
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2026-10-22T14:39:22.417262+00:00 rc01 sshd-session[3182070]: Invalid user maks from 157.66.81.100 po ...
show more2026-10-22T14:39:22.417262+00:00 rc01 sshd-session[3182070]: Invalid user maks from 157.66.81.100 port 35350
2026-10-22T14:43:37.309729+00:00 rc01 sshd-session[3182187]: Invalid user msf from 157.66.81.100 port 51182
2026-10-22T14:44:56.098702+00:00 rc01 sshd-session[3182215]: Invalid user user123 from 157.66.81.100 port 47046
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2026-10-22T13:51:24.467825+00:00 nl-ams01-wavy sshd-session[306756]: Invalid user ndd from 157.66.81 ...
show more2026-10-22T13:51:24.467825+00:00 nl-ams01-wavy sshd-session[306756]: Invalid user ndd from 157.66.81.100 port 55154
2026-10-22T13:53:35.802710+00:00 nl-ams01-wavy sshd-session[329470]: Invalid user duzon from 157.66.81.100 port 54598
2026-10-22T13:55:04.024601+00:00 nl-ams01-wavy sshd-session[343994]: Invalid user jun from 157.66.81.100 port 50648
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2026-10-22T13:46:33.623525+00:00 cloudfest-first sshd[610593]: Invalid user ndd from 157.66.81.100 p ...
show more2026-10-22T13:46:33.623525+00:00 cloudfest-first sshd[610593]: Invalid user ndd from 157.66.81.100 port 50398
2026-10-22T13:52:48.946594+00:00 cloudfest-first sshd[612273]: Invalid user duzon from 157.66.81.100 port 43176
2026-10-22T13:54:17.006577+00:00 cloudfest-first sshd[612645]: Invalid user jun from 157.66.81.100 port 39220
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