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: Czech Republic

Internet Service Provider: Ales Krepela - KREPNET

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackbotsspam
Aug 27 11:22:42 mail.srvfarm.net postfix/smtps/smtpd[1499868]: warning: unknown[93.99.4.22]: SASL PLAIN authentication failed: 
Aug 27 11:22:42 mail.srvfarm.net postfix/smtps/smtpd[1499868]: lost connection after AUTH from unknown[93.99.4.22]
Aug 27 11:24:17 mail.srvfarm.net postfix/smtps/smtpd[1499867]: warning: unknown[93.99.4.22]: SASL PLAIN authentication failed: 
Aug 27 11:24:17 mail.srvfarm.net postfix/smtps/smtpd[1499867]: lost connection after AUTH from unknown[93.99.4.22]
Aug 27 11:30:04 mail.srvfarm.net postfix/smtpd[1488223]: warning: unknown[93.99.4.22]: SASL PLAIN authentication failed:
2020-08-28 08:15:55
attackspambots
Jul  9 13:50:53 mail.srvfarm.net postfix/smtpd[3819465]: warning: unknown[93.99.4.22]: SASL PLAIN authentication failed: 
Jul  9 13:50:53 mail.srvfarm.net postfix/smtpd[3819465]: lost connection after AUTH from unknown[93.99.4.22]
Jul  9 13:52:25 mail.srvfarm.net postfix/smtpd[3817751]: warning: unknown[93.99.4.22]: SASL PLAIN authentication failed: 
Jul  9 13:52:25 mail.srvfarm.net postfix/smtpd[3817751]: lost connection after AUTH from unknown[93.99.4.22]
Jul  9 13:56:23 mail.srvfarm.net postfix/smtpd[3825207]: warning: unknown[93.99.4.22]: SASL PLAIN authentication failed:
2020-07-10 01:07:15
attackspambots
(smtpauth) Failed SMTP AUTH login from 93.99.4.22 (CZ/Czechia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-05-10 08:25:06 plain authenticator failed for ([93.99.4.22]) [93.99.4.22]: 535 Incorrect authentication data (set_id=sale@emad-security.com)
2020-05-10 13:30:16
Comments on same subnet:
IP Type Details Datetime
93.99.4.23 attack
Sep 15 18:40:20 mail.srvfarm.net postfix/smtps/smtpd[2822043]: warning: unknown[93.99.4.23]: SASL PLAIN authentication failed: 
Sep 15 18:40:20 mail.srvfarm.net postfix/smtps/smtpd[2822043]: lost connection after AUTH from unknown[93.99.4.23]
Sep 15 18:40:50 mail.srvfarm.net postfix/smtps/smtpd[2827555]: warning: unknown[93.99.4.23]: SASL PLAIN authentication failed: 
Sep 15 18:40:50 mail.srvfarm.net postfix/smtps/smtpd[2827555]: lost connection after AUTH from unknown[93.99.4.23]
Sep 15 18:48:25 mail.srvfarm.net postfix/smtpd[2827929]: warning: unknown[93.99.4.23]: SASL PLAIN authentication failed:
2020-09-17 02:39:58
93.99.4.23 attack
Sep 15 18:40:20 mail.srvfarm.net postfix/smtps/smtpd[2822043]: warning: unknown[93.99.4.23]: SASL PLAIN authentication failed: 
Sep 15 18:40:20 mail.srvfarm.net postfix/smtps/smtpd[2822043]: lost connection after AUTH from unknown[93.99.4.23]
Sep 15 18:40:50 mail.srvfarm.net postfix/smtps/smtpd[2827555]: warning: unknown[93.99.4.23]: SASL PLAIN authentication failed: 
Sep 15 18:40:50 mail.srvfarm.net postfix/smtps/smtpd[2827555]: lost connection after AUTH from unknown[93.99.4.23]
Sep 15 18:48:25 mail.srvfarm.net postfix/smtpd[2827929]: warning: unknown[93.99.4.23]: SASL PLAIN authentication failed:
2020-09-16 18:58:53
93.99.4.38 attackbots
SASL PLAIN auth failed: ruser=...
2020-07-17 06:37:07
93.99.4.23 attack
Brute force attempt
2020-05-24 01:29:57
93.99.49.50 attackspambots
Unauthorized connection attempt detected from IP address 93.99.49.50 to port 23 [J]
2020-01-22 23:34:06
93.99.42.18 attack
Jul 15 08:16:01 rigel postfix/smtpd[31991]: warning: hostname 18pc.vranet.cz does not resolve to address 93.99.42.18
Jul 15 08:16:01 rigel postfix/smtpd[31991]: connect from unknown[93.99.42.18]
Jul 15 08:16:02 rigel postfix/smtpd[31991]: warning: unknown[93.99.42.18]: SASL CRAM-MD5 authentication failed: authentication failure
Jul 15 08:16:02 rigel postfix/smtpd[31991]: warning: unknown[93.99.42.18]: SASL PLAIN authentication failed: authentication failure
Jul 15 08:16:02 rigel postfix/smtpd[31991]: warning: unknown[93.99.42.18]: SASL LOGIN authentication failed: authentication failure
Jul 15 08:16:02 rigel postfix/smtpd[31991]: disconnect from unknown[93.99.42.18]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=93.99.42.18
2019-07-15 21:04:32
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 93.99.4.22
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9928
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			306	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020050901 1800 900 604800 86400

;; Query time: 92 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun May 10 13:30:10 CST 2020
;; MSG SIZE  rcvd: 114
Host info
Host 22.4.99.93.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 22.4.99.93.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.227.255.173 attackspam
SSH Bruteforce attack
2019-10-09 21:00:11
93.136.81.218 attackspam
ENG,WP GET /wp-login.php
2019-10-09 20:48:09
191.252.113.7 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-10-09 20:40:09
162.210.173.6 attackspam
firewall-block, port(s): 1433/tcp
2019-10-09 20:59:07
132.148.23.27 attackbotsspam
WordPress login Brute force / Web App Attack on client site.
2019-10-09 20:57:53
178.32.10.94 attack
2019-10-09T11:48:39.340441abusebot-4.cloudsearch.cf sshd\[29896\]: Invalid user usuario from 178.32.10.94 port 17120
2019-10-09 20:31:23
106.12.93.25 attackspambots
Oct  9 15:23:17 sauna sshd[47814]: Failed password for root from 106.12.93.25 port 56192 ssh2
...
2019-10-09 20:34:21
103.23.100.87 attackspam
2019-10-09T12:45:35.882148abusebot-4.cloudsearch.cf sshd\[30075\]: Invalid user Renault@123 from 103.23.100.87 port 53150
2019-10-09 20:56:20
150.107.213.168 attackspambots
Oct  9 14:41:11 MK-Soft-VM3 sshd[762]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.107.213.168 
Oct  9 14:41:13 MK-Soft-VM3 sshd[762]: Failed password for invalid user Windows@12345 from 150.107.213.168 port 39249 ssh2
...
2019-10-09 21:05:15
185.53.88.101 attack
SIP Server BruteForce Attack
2019-10-09 20:57:11
103.242.175.228 attackbots
Port 1433 Scan
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181.176.164.179 attack
SPF Fail sender not permitted to send mail for @lrmmotors.it / Mail sent to address hacked/leaked from Destructoid
2019-10-09 20:44:31
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Unauthorized SSH login attempts
2019-10-09 20:32:14
195.214.220.31 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2019-10-09 20:54:15
222.246.43.226 attackbots
SASL Brute Force
2019-10-09 20:46:52

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