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: Brazil

Internet Service Provider: WI - Provedor de Telecomunicacoes Ltda.

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackbots
Sep 13 18:26:49 mail.srvfarm.net postfix/smtps/smtpd[1230736]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed: 
Sep 13 18:26:49 mail.srvfarm.net postfix/smtps/smtpd[1230736]: lost connection after AUTH from unknown[201.55.142.243]
Sep 13 18:32:14 mail.srvfarm.net postfix/smtpd[1230212]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed: 
Sep 13 18:32:15 mail.srvfarm.net postfix/smtpd[1230212]: lost connection after AUTH from unknown[201.55.142.243]
Sep 13 18:33:48 mail.srvfarm.net postfix/smtpd[1232021]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed:
2020-09-15 03:37:06
attackspambots
Sep 13 18:26:49 mail.srvfarm.net postfix/smtps/smtpd[1230736]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed: 
Sep 13 18:26:49 mail.srvfarm.net postfix/smtps/smtpd[1230736]: lost connection after AUTH from unknown[201.55.142.243]
Sep 13 18:32:14 mail.srvfarm.net postfix/smtpd[1230212]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed: 
Sep 13 18:32:15 mail.srvfarm.net postfix/smtpd[1230212]: lost connection after AUTH from unknown[201.55.142.243]
Sep 13 18:33:48 mail.srvfarm.net postfix/smtpd[1232021]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed:
2020-09-14 19:33:28
attack
Aug 15 02:17:39 mail.srvfarm.net postfix/smtps/smtpd[963474]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed: 
Aug 15 02:17:40 mail.srvfarm.net postfix/smtps/smtpd[963474]: lost connection after AUTH from unknown[201.55.142.243]
Aug 15 02:18:38 mail.srvfarm.net postfix/smtpd[965947]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed: 
Aug 15 02:18:39 mail.srvfarm.net postfix/smtpd[965947]: lost connection after AUTH from unknown[201.55.142.243]
Aug 15 02:26:15 mail.srvfarm.net postfix/smtps/smtpd[963278]: warning: unknown[201.55.142.243]: SASL PLAIN authentication failed:
2020-08-15 12:47:55
Comments on same subnet:
IP Type Details Datetime
201.55.142.209 attackbotsspam
Aug 16 05:30:29 mail.srvfarm.net postfix/smtpd[1875198]: warning: unknown[201.55.142.209]: SASL PLAIN authentication failed: 
Aug 16 05:30:29 mail.srvfarm.net postfix/smtpd[1875198]: lost connection after AUTH from unknown[201.55.142.209]
Aug 16 05:30:30 mail.srvfarm.net postfix/smtps/smtpd[1888818]: warning: unknown[201.55.142.209]: SASL PLAIN authentication failed: 
Aug 16 05:30:30 mail.srvfarm.net postfix/smtps/smtpd[1888818]: lost connection after AUTH from unknown[201.55.142.209]
Aug 16 05:36:50 mail.srvfarm.net postfix/smtpd[1888503]: warning: unknown[201.55.142.209]: SASL PLAIN authentication failed:
2020-08-16 12:38:33
201.55.142.135 attack
Aug 14 23:49:22 mail.srvfarm.net postfix/smtpd[738030]: warning: unknown[201.55.142.135]: SASL PLAIN authentication failed: 
Aug 14 23:49:23 mail.srvfarm.net postfix/smtpd[738030]: lost connection after AUTH from unknown[201.55.142.135]
Aug 14 23:53:36 mail.srvfarm.net postfix/smtps/smtpd[739407]: warning: unknown[201.55.142.135]: SASL PLAIN authentication failed: 
Aug 14 23:53:37 mail.srvfarm.net postfix/smtps/smtpd[739407]: lost connection after AUTH from unknown[201.55.142.135]
Aug 14 23:59:22 mail.srvfarm.net postfix/smtpd[736667]: warning: unknown[201.55.142.135]: SASL PLAIN authentication failed:
2020-08-15 17:13:32
201.55.142.31 attackbotsspam
"SMTP brute force auth login attempt."
2020-08-13 17:32:34
201.55.142.73 attackbotsspam
failed_logins
2020-07-30 19:22:43
201.55.142.36 attack
Jul 25 05:34:46 mail.srvfarm.net postfix/smtpd[366527]: warning: unknown[201.55.142.36]: SASL PLAIN authentication failed: 
Jul 25 05:34:46 mail.srvfarm.net postfix/smtpd[366527]: lost connection after AUTH from unknown[201.55.142.36]
Jul 25 05:34:57 mail.srvfarm.net postfix/smtps/smtpd[365719]: warning: unknown[201.55.142.36]: SASL PLAIN authentication failed: 
Jul 25 05:34:58 mail.srvfarm.net postfix/smtps/smtpd[365719]: lost connection after AUTH from unknown[201.55.142.36]
Jul 25 05:40:51 mail.srvfarm.net postfix/smtps/smtpd[365719]: warning: unknown[201.55.142.36]: SASL PLAIN authentication failed:
2020-07-25 15:00:15
201.55.142.15 attack
Jul 24 16:48:42 mail.srvfarm.net postfix/smtps/smtpd[2334300]: warning: unknown[201.55.142.15]: SASL PLAIN authentication failed: 
Jul 24 16:48:43 mail.srvfarm.net postfix/smtps/smtpd[2334300]: lost connection after AUTH from unknown[201.55.142.15]
Jul 24 16:52:26 mail.srvfarm.net postfix/smtps/smtpd[2332586]: warning: unknown[201.55.142.15]: SASL PLAIN authentication failed: 
Jul 24 16:52:27 mail.srvfarm.net postfix/smtps/smtpd[2332586]: lost connection after AUTH from unknown[201.55.142.15]
Jul 24 16:52:45 mail.srvfarm.net postfix/smtpd[2332939]: warning: unknown[201.55.142.15]: SASL PLAIN authentication failed:
2020-07-25 03:38:13
201.55.142.36 attackbots
failed_logins
2020-07-11 14:43:04
201.55.142.135 attackbots
Jun 18 12:25:38 mail.srvfarm.net postfix/smtpd[1443188]: warning: unknown[201.55.142.135]: SASL PLAIN authentication failed: 
Jun 18 12:25:38 mail.srvfarm.net postfix/smtpd[1443188]: lost connection after AUTH from unknown[201.55.142.135]
Jun 18 12:28:59 mail.srvfarm.net postfix/smtpd[1445381]: warning: unknown[201.55.142.135]: SASL PLAIN authentication failed: 
Jun 18 12:28:59 mail.srvfarm.net postfix/smtpd[1445381]: lost connection after AUTH from unknown[201.55.142.135]
Jun 18 12:31:47 mail.srvfarm.net postfix/smtpd[1445365]: warning: unknown[201.55.142.135]: SASL PLAIN authentication failed:
2020-06-19 01:28:20
201.55.142.25 attack
$f2bV_matches
2019-09-12 21:27:09
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 201.55.142.243
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58080
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			138	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020081401 1800 900 604800 86400

;; Query time: 33 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Aug 15 12:47:49 CST 2020
;; MSG SIZE  rcvd: 118
Host info
Host 243.142.55.201.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 243.142.55.201.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
107.173.26.170 attack
Sep 10 03:22:55 nextcloud sshd\[29432\]: Invalid user test2 from 107.173.26.170
Sep 10 03:22:55 nextcloud sshd\[29432\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.26.170
Sep 10 03:22:57 nextcloud sshd\[29432\]: Failed password for invalid user test2 from 107.173.26.170 port 58701 ssh2
...
2019-09-10 10:24:42
103.254.120.222 attackspam
Sep  9 15:57:56 aiointranet sshd\[25907\]: Invalid user jenkins from 103.254.120.222
Sep  9 15:57:56 aiointranet sshd\[25907\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.254.120.222
Sep  9 15:57:57 aiointranet sshd\[25907\]: Failed password for invalid user jenkins from 103.254.120.222 port 44832 ssh2
Sep  9 16:04:48 aiointranet sshd\[26505\]: Invalid user vbox from 103.254.120.222
Sep  9 16:04:48 aiointranet sshd\[26505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.254.120.222
2019-09-10 10:05:32
139.59.75.241 attackspambots
Sep 10 03:35:22 legacy sshd[4851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.75.241
Sep 10 03:35:24 legacy sshd[4851]: Failed password for invalid user tom from 139.59.75.241 port 53018 ssh2
Sep 10 03:41:27 legacy sshd[5037]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.75.241
...
2019-09-10 09:57:50
106.12.14.254 attackbotsspam
Sep 10 02:23:18 h2177944 sshd\[14350\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.14.254
Sep 10 02:23:21 h2177944 sshd\[14350\]: Failed password for invalid user steam from 106.12.14.254 port 40562 ssh2
Sep 10 03:23:33 h2177944 sshd\[17611\]: Invalid user demo1 from 106.12.14.254 port 50312
Sep 10 03:23:33 h2177944 sshd\[17611\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.14.254
...
2019-09-10 09:49:18
113.176.14.36 attackbots
Unauthorised access (Sep 10) SRC=113.176.14.36 LEN=52 TTL=116 ID=19939 DF TCP DPT=445 WINDOW=8192 SYN
2019-09-10 10:14:04
106.38.203.230 attack
Sep  9 15:34:36 hiderm sshd\[13435\]: Invalid user myftp from 106.38.203.230
Sep  9 15:34:36 hiderm sshd\[13435\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.38.203.230
Sep  9 15:34:37 hiderm sshd\[13435\]: Failed password for invalid user myftp from 106.38.203.230 port 34818 ssh2
Sep  9 15:37:59 hiderm sshd\[13793\]: Invalid user testuser from 106.38.203.230
Sep  9 15:37:59 hiderm sshd\[13793\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.38.203.230
2019-09-10 09:55:52
51.68.192.106 attack
Sep 10 04:52:25 taivassalofi sshd[113006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.192.106
Sep 10 04:52:27 taivassalofi sshd[113006]: Failed password for invalid user webuser from 51.68.192.106 port 42080 ssh2
...
2019-09-10 09:56:45
117.50.35.192 attackspam
2019-09-10T08:23:29.222317enmeeting.mahidol.ac.th sshd\[26021\]: Invalid user usuario from 117.50.35.192 port 53902
2019-09-10T08:23:29.241181enmeeting.mahidol.ac.th sshd\[26021\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.50.35.192
2019-09-10T08:23:31.216416enmeeting.mahidol.ac.th sshd\[26021\]: Failed password for invalid user usuario from 117.50.35.192 port 53902 ssh2
...
2019-09-10 09:53:23
77.247.110.195 attackspam
firewall-block, port(s): 45454/udp
2019-09-10 09:36:53
89.238.154.178 attack
20 attempts against mh-misbehave-ban on sonic.magehost.pro
2019-09-10 10:27:03
137.74.4.25 attackbotsspam
WordPress wp-login brute force :: 137.74.4.25 0.148 BYPASS [10/Sep/2019:11:23:13  1000] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-09-10 10:15:20
93.104.178.153 attackspambots
Automatic report - Port Scan Attack
2019-09-10 09:49:40
87.61.232.98 attack
Sep 10 01:45:43 MK-Soft-VM5 sshd\[18248\]: Invalid user pi from 87.61.232.98 port 36486
Sep 10 01:45:43 MK-Soft-VM5 sshd\[18248\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.61.232.98
Sep 10 01:45:44 MK-Soft-VM5 sshd\[18250\]: Invalid user pi from 87.61.232.98 port 36488
...
2019-09-10 09:58:26
5.189.166.57 attackspambots
CloudCIX Reconnaissance Scan Detected, PTR: vmi275934.contaboserver.net.
2019-09-10 10:16:21
138.68.223.45 attackspambots
Autoban   138.68.223.45 AUTH/CONNECT
2019-09-10 09:41:52

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