Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: United States of America

Internet Service Provider: Amazon Data Services NoVa

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
Lines containing failures of 3.89.128.66
Apr  8 17:54:42 linuxrulz sshd[9502]: Invalid user test from 3.89.128.66 port 55486
Apr  8 17:54:42 linuxrulz sshd[9502]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=3.89.128.66 
Apr  8 17:54:44 linuxrulz sshd[9502]: Failed password for invalid user test from 3.89.128.66 port 55486 ssh2
Apr  8 17:54:45 linuxrulz sshd[9502]: Received disconnect from 3.89.128.66 port 55486:11: Bye Bye [preauth]
Apr  8 17:54:45 linuxrulz sshd[9502]: Disconnected from invalid user test 3.89.128.66 port 55486 [preauth]
Apr  8 18:07:59 linuxrulz sshd[11364]: Invalid user ubuntu from 3.89.128.66 port 39236
Apr  8 18:07:59 linuxrulz sshd[11364]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=3.89.128.66 
Apr  8 18:08:01 linuxrulz sshd[11364]: Failed password for invalid user ubuntu from 3.89.128.66 port 39236 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?
2020-04-09 18:21:13
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 3.89.128.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51603
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;3.89.128.66.			IN	A

;; AUTHORITY SECTION:
.			582	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020040900 1800 900 604800 86400

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Apr 09 18:21:10 CST 2020
;; MSG SIZE  rcvd: 115
Host info
66.128.89.3.in-addr.arpa domain name pointer ec2-3-89-128-66.compute-1.amazonaws.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
66.128.89.3.in-addr.arpa	name = ec2-3-89-128-66.compute-1.amazonaws.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
162.144.38.240 attackbots
 TCP (SYN) 162.144.38.240:57518 -> port 23961, len 44
2020-09-10 16:51:56
216.218.206.91 attack
Port scan: Attack repeated for 24 hours
2020-09-10 16:59:26
201.75.3.65 attackspambots
Unauthorized connection attempt from IP address 201.75.3.65 on Port 445(SMB)
2020-09-10 17:10:28
222.186.180.17 attackspambots
Sep 10 04:43:58 plusreed sshd[28641]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.17  user=root
Sep 10 04:44:00 plusreed sshd[28641]: Failed password for root from 222.186.180.17 port 19698 ssh2
...
2020-09-10 16:44:11
193.169.253.179 attackbots
2020-09-10 11:47:08 dovecot_login authenticator failed for \(User\) \[193.169.253.179\]: 535 Incorrect authentication data \(set_id=receptionist@ift.org.ua\)2020-09-10 11:47:14 dovecot_login authenticator failed for \(User\) \[193.169.253.179\]: 535 Incorrect authentication data \(set_id=receptionist@ift.org.ua\)2020-09-10 11:47:24 dovecot_login authenticator failed for \(User\) \[193.169.253.179\]: 535 Incorrect authentication data \(set_id=receptionist@ift.org.ua\)
...
2020-09-10 16:54:28
222.186.42.155 attack
Sep 10 10:52:19 markkoudstaal sshd[32488]: Failed password for root from 222.186.42.155 port 54917 ssh2
Sep 10 10:52:21 markkoudstaal sshd[32488]: Failed password for root from 222.186.42.155 port 54917 ssh2
Sep 10 10:52:23 markkoudstaal sshd[32488]: Failed password for root from 222.186.42.155 port 54917 ssh2
...
2020-09-10 16:53:13
145.239.211.242 attackbots
145.239.211.242 - - [10/Sep/2020:05:43:53 +0200] "GET /wp-login.php HTTP/1.1" 200 9061 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
145.239.211.242 - - [10/Sep/2020:05:43:54 +0200] "POST /wp-login.php HTTP/1.1" 200 9312 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
145.239.211.242 - - [10/Sep/2020:05:43:54 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-09-10 17:19:16
36.155.115.72 attackspambots
$f2bV_matches
2020-09-10 16:38:46
68.183.178.162 attack
2020-09-10T07:11:10+0200 Failed SSH Authentication/Brute Force Attack.(Server 2)
2020-09-10 17:03:10
139.155.9.86 attackspam
Time:     Thu Sep 10 10:01:09 2020 +0200
IP:       139.155.9.86 (CN/China/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep 10 09:46:58 mail-03 sshd[5408]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.9.86  user=root
Sep 10 09:47:00 mail-03 sshd[5408]: Failed password for root from 139.155.9.86 port 38500 ssh2
Sep 10 09:55:53 mail-03 sshd[5510]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.9.86  user=root
Sep 10 09:55:55 mail-03 sshd[5510]: Failed password for root from 139.155.9.86 port 35750 ssh2
Sep 10 10:01:06 mail-03 sshd[5586]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.9.86  user=root
2020-09-10 17:05:20
202.184.198.235 attackspambots
1599670212 - 09/09/2020 18:50:12 Host: 202.184.198.235/202.184.198.235 Port: 445 TCP Blocked
2020-09-10 17:08:30
103.31.157.206 attack
Dovecot Invalid User Login Attempt.
2020-09-10 16:46:35
118.161.140.235 attack
Icarus honeypot on github
2020-09-10 16:44:37
121.58.212.108 attackspam
Sep 10 08:46:24 localhost sshd[110983]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.58.212.108  user=root
Sep 10 08:46:27 localhost sshd[110983]: Failed password for root from 121.58.212.108 port 42202 ssh2
Sep 10 08:50:50 localhost sshd[111523]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.58.212.108  user=root
Sep 10 08:50:53 localhost sshd[111523]: Failed password for root from 121.58.212.108 port 44088 ssh2
Sep 10 08:55:15 localhost sshd[112052]: Invalid user proxy from 121.58.212.108 port 45974
...
2020-09-10 17:08:16
178.128.201.175 attackspam
SSH Brute-Force. Ports scanning.
2020-09-10 16:41:32

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