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
106.12.13.20 attackbots
 TCP (SYN) 106.12.13.20:44809 -> port 8557, len 44
2020-09-16 16:33:30
182.52.70.202 attack
Sep 16 08:30:25 ns382633 sshd\[11375\]: Invalid user vultr from 182.52.70.202 port 49138
Sep 16 08:30:25 ns382633 sshd\[11375\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.52.70.202
Sep 16 08:30:27 ns382633 sshd\[11375\]: Failed password for invalid user vultr from 182.52.70.202 port 49138 ssh2
Sep 16 08:44:39 ns382633 sshd\[13828\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.52.70.202  user=root
Sep 16 08:44:41 ns382633 sshd\[13828\]: Failed password for root from 182.52.70.202 port 59056 ssh2
2020-09-16 16:10:30
13.85.152.27 attackspam
Invalid user ansible from 13.85.152.27 port 34664
2020-09-16 16:19:12
45.142.124.17 attack
SSH/22 MH Probe, BF, Hack -
2020-09-16 16:35:40
201.22.95.49 attack
Sep 16 07:40:54 *** sshd[2597]: User root from 201.22.95.49 not allowed because not listed in AllowUsers
2020-09-16 16:18:09
198.211.117.96 attackbotsspam
198.211.117.96 - - \[16/Sep/2020:08:52:36 +0200\] "POST /wp-login.php HTTP/1.1" 200 12843 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
198.211.117.96 - - \[16/Sep/2020:08:52:37 +0200\] "POST /wp-login.php HTTP/1.1" 200 12678 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...
2020-09-16 16:03:20
148.72.64.192 attack
xmlrpc attack
2020-09-16 16:40:31
104.198.16.231 attackspambots
" "
2020-09-16 16:39:19
180.76.54.86 attackbotsspam
Sep 16 10:12:42 host2 sshd[1866439]: Failed password for root from 180.76.54.86 port 41198 ssh2
Sep 16 10:12:41 host2 sshd[1866439]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.54.86  user=root
Sep 16 10:12:42 host2 sshd[1866439]: Failed password for root from 180.76.54.86 port 41198 ssh2
Sep 16 10:15:27 host2 sshd[1866503]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.54.86  user=root
Sep 16 10:15:29 host2 sshd[1866503]: Failed password for root from 180.76.54.86 port 47180 ssh2
...
2020-09-16 16:40:00
167.99.172.181 attack
srv02 Mass scanning activity detected Target: 31525  ..
2020-09-16 16:34:21
195.97.75.174 attackbots
Sep 16 06:26:39 ws26vmsma01 sshd[201913]: Failed password for root from 195.97.75.174 port 37864 ssh2
...
2020-09-16 16:03:41
117.34.91.2 attackspam
Connection to SSH Honeypot - Detected by HoneypotDB
2020-09-16 16:21:19
106.54.255.11 attackspambots
Sep 16 08:28:20 abendstille sshd\[27176\]: Invalid user nodeproxy from 106.54.255.11
Sep 16 08:28:20 abendstille sshd\[27176\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.255.11
Sep 16 08:28:22 abendstille sshd\[27176\]: Failed password for invalid user nodeproxy from 106.54.255.11 port 53742 ssh2
Sep 16 08:33:52 abendstille sshd\[32480\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.255.11  user=root
Sep 16 08:33:54 abendstille sshd\[32480\]: Failed password for root from 106.54.255.11 port 57118 ssh2
...
2020-09-16 16:13:28
36.134.3.207 attackbotsspam
Sep 16 02:32:11 email sshd\[14963\]: Invalid user test1 from 36.134.3.207
Sep 16 02:32:11 email sshd\[14963\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.134.3.207
Sep 16 02:32:13 email sshd\[14963\]: Failed password for invalid user test1 from 36.134.3.207 port 54464 ssh2
Sep 16 02:36:30 email sshd\[15747\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.134.3.207  user=root
Sep 16 02:36:32 email sshd\[15747\]: Failed password for root from 36.134.3.207 port 50400 ssh2
...
2020-09-16 16:23:42
85.209.0.251 attackbotsspam
Bruteforce detected by fail2ban
2020-09-16 16:38:30

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