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: Estonia

Internet Service Provider: Tartu Estonia

Hostname: unknown

Organization: unknown

Usage Type: Commercial

Comments:
Type Details Datetime
attackbots
Multiple SASL authentication failures.
Date: 2019 Aug 16. 09:58:40 -- Source IP: 193.40.55.66

Portion of the log(s):
Aug 16 09:58:40 vserv postfix/submission/smtpd[18703]: warning: unknown[193.40.55.66]: SASL PLAIN authentication failed: Connection lost to authentication server
Aug 16 09:58:30 vserv postfix/submission/smtpd[18703]: warning: unknown[193.40.55.66]: SASL PLAIN authentication failed: Connection lost to authentication server
Aug 16 09:58:20 vserv postfix/submission/smtpd[18703]: warning: unknown[193.40.55.66]: SASL PLAIN authentication failed: Connection lost to authentication server
Aug 16 09:58:10 vserv postfix/submission/smtpd[18703]: warning: unknown[193.40.55.66]: SASL PLAIN authentication failed: Connection lost to authentication server
Aug 16 09:58:00 vserv postfix/submission/smtpd[18703]: warning: unknown[193.40.55.66]: SASL PLAIN authentication failed: Connection lost to authentication server
Aug 16 09:57:50 vserv postfix/submission/smtpd[18703]: warning
2019-08-17 09:18:27
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 193.40.55.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63754
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			305	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019081601 1800 900 604800 86400

;; Query time: 0 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sat Aug 17 09:18:21 CST 2019
;; MSG SIZE  rcvd: 116
Host info
Host 66.55.40.193.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 66.55.40.193.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
178.153.23.50 attackspambots
firewall-block, port(s): 445/tcp
2020-08-30 08:34:05
14.236.203.14 attackspam
1598732427 - 08/29/2020 22:20:27 Host: 14.236.203.14/14.236.203.14 Port: 445 TCP Blocked
...
2020-08-30 08:29:20
178.128.51.162 attack
178.128.51.162 - - [29/Aug/2020:23:33:47 +0100] "POST /wp-login.php HTTP/1.1" 200 2435 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
178.128.51.162 - - [29/Aug/2020:23:33:51 +0100] "POST /wp-login.php HTTP/1.1" 200 2356 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
178.128.51.162 - - [29/Aug/2020:23:33:54 +0100] "POST /wp-login.php HTTP/1.1" 200 2415 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-30 08:33:26
80.99.105.155 attack
Portscan detected
2020-08-30 08:16:51
118.69.161.67 attack
Aug 30 00:57:50 vm0 sshd[21081]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.69.161.67
Aug 30 00:57:52 vm0 sshd[21081]: Failed password for invalid user mali from 118.69.161.67 port 37529 ssh2
...
2020-08-30 08:08:07
181.118.119.176 attackspambots
Aug 29 23:54:19 jumpserver sshd[93641]: Failed password for invalid user chris from 181.118.119.176 port 52364 ssh2
Aug 29 23:58:09 jumpserver sshd[93676]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.118.119.176  user=root
Aug 29 23:58:11 jumpserver sshd[93676]: Failed password for root from 181.118.119.176 port 49632 ssh2
...
2020-08-30 08:06:53
222.186.30.59 attack
Aug 30 01:11:53 ajax sshd[17609]: Failed password for root from 222.186.30.59 port 55356 ssh2
Aug 30 01:11:56 ajax sshd[17609]: Failed password for root from 222.186.30.59 port 55356 ssh2
2020-08-30 08:13:54
104.131.68.23 attack
Aug 29 22:20:49 ns37 sshd[7452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.68.23
2020-08-30 08:19:20
2400:6180:0:d0::15:e001 attack
WordPress wp-login brute force :: 2400:6180:0:d0::15:e001 0.168 BYPASS [29/Aug/2020:20:20:15  0000] [censored_2] "POST /wp-login.php HTTP/1.1" 200 2573 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-08-30 08:34:33
222.186.180.6 attackbotsspam
Aug 30 02:06:29 melroy-server sshd[2847]: Failed password for root from 222.186.180.6 port 21530 ssh2
Aug 30 02:06:32 melroy-server sshd[2847]: Failed password for root from 222.186.180.6 port 21530 ssh2
...
2020-08-30 08:09:57
67.26.33.254 attack
TCP Port: 80     invalid blocked  Listed on   zen-spamhaus      Client xx.xx.6.4     (125)
2020-08-30 08:28:56
176.113.115.55 attack
firewall-block, port(s): 57753/tcp
2020-08-30 08:35:40
45.148.121.29 attackbotsspam
[N10.H2.VM2] Port Scanner Detected Blocked by UFW
2020-08-30 08:31:35
216.58.211.170 attack
TCP Port: 443     invalid blocked  Listed on   dnsbl-sorbs      Client xx.xx.4.148     (126)
2020-08-30 07:56:18
196.52.43.122 attack
port scan and connect, tcp 80 (http)
2020-08-30 07:56:44

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