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: Meganet Telecom

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attack
Jul 15 08:15:10 rigel postfix/smtpd[31991]: warning: hostname 45-236-74-59.meganet.com.br does not resolve to address 45.236.74.59: Name or service not known
Jul 15 08:15:10 rigel postfix/smtpd[31991]: connect from unknown[45.236.74.59]
Jul 15 08:15:14 rigel postfix/smtpd[31991]: warning: unknown[45.236.74.59]: SASL CRAM-MD5 authentication failed: authentication failure
Jul 15 08:15:15 rigel postfix/smtpd[31991]: warning: unknown[45.236.74.59]: SASL PLAIN authentication failed: authentication failure
Jul 15 08:15:16 rigel postfix/smtpd[31991]: warning: unknown[45.236.74.59]: SASL LOGIN authentication failed: authentication failure


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.236.74.59
2019-07-15 21:00:13
Comments on same subnet:
IP Type Details Datetime
45.236.74.226 attackspam
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-05 13:09:18
45.236.74.226 attackspam
Jun  4 13:36:36 mail.srvfarm.net postfix/smtps/smtpd[2498063]: warning: unknown[45.236.74.226]: SASL PLAIN authentication failed: 
Jun  4 13:36:36 mail.srvfarm.net postfix/smtps/smtpd[2498063]: lost connection after AUTH from unknown[45.236.74.226]
Jun  4 13:38:33 mail.srvfarm.net postfix/smtpd[2497905]: warning: unknown[45.236.74.226]: SASL PLAIN authentication failed: 
Jun  4 13:38:33 mail.srvfarm.net postfix/smtpd[2497905]: lost connection after AUTH from unknown[45.236.74.226]
Jun  4 13:39:06 mail.srvfarm.net postfix/smtpd[2497905]: warning: unknown[45.236.74.226]: SASL PLAIN authentication failed:
2020-06-05 03:33:20
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 45.236.74.59
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31707
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019071500 1800 900 604800 86400

;; Query time: 3 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Mon Jul 15 21:00:07 CST 2019
;; MSG SIZE  rcvd: 116
Host info
59.74.236.45.in-addr.arpa domain name pointer 45-236-74-59.meganet.com.br.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
59.74.236.45.in-addr.arpa	name = 45-236-74-59.meganet.com.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
61.19.86.184 attack
TH_MAINT-TH-THIX-CAT_<177>1586798331 [1:2010935:3] ET SCAN Suspicious inbound to MSSQL port 1433 [Classification: Potentially Bad Traffic] [Priority: 2]:  {TCP} 61.19.86.184:56536
2020-04-14 03:25:32
60.190.96.235 attackbots
2020-04-13T17:19:28.762365randservbullet-proofcloud-66.localdomain sshd[4207]: Invalid user ftp_user from 60.190.96.235 port 63688
2020-04-13T17:19:28.768458randservbullet-proofcloud-66.localdomain sshd[4207]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.190.96.235
2020-04-13T17:19:28.762365randservbullet-proofcloud-66.localdomain sshd[4207]: Invalid user ftp_user from 60.190.96.235 port 63688
2020-04-13T17:19:30.280929randservbullet-proofcloud-66.localdomain sshd[4207]: Failed password for invalid user ftp_user from 60.190.96.235 port 63688 ssh2
...
2020-04-14 02:49:50
162.243.132.88 attackbots
" "
2020-04-14 02:48:59
190.121.226.130 attackbots
1586798339 - 04/13/2020 19:18:59 Host: 190.121.226.130/190.121.226.130 Port: 445 TCP Blocked
2020-04-14 03:16:30
202.152.0.14 attack
Apr 13 20:37:51 ewelt sshd[26136]: Invalid user baringer from 202.152.0.14 port 41842
Apr 13 20:37:51 ewelt sshd[26136]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.152.0.14
Apr 13 20:37:51 ewelt sshd[26136]: Invalid user baringer from 202.152.0.14 port 41842
Apr 13 20:37:53 ewelt sshd[26136]: Failed password for invalid user baringer from 202.152.0.14 port 41842 ssh2
...
2020-04-14 03:13:24
112.85.42.229 attackspam
Apr 13 21:21:20 server sshd[5038]: Failed password for root from 112.85.42.229 port 43776 ssh2
Apr 13 21:21:25 server sshd[5038]: Failed password for root from 112.85.42.229 port 43776 ssh2
Apr 13 21:21:30 server sshd[5038]: Failed password for root from 112.85.42.229 port 43776 ssh2
2020-04-14 03:21:38
150.136.236.53 attackspam
Apr 13 17:54:30 124388 sshd[852]: Failed password for invalid user desadm from 150.136.236.53 port 38784 ssh2
Apr 13 17:58:13 124388 sshd[1005]: Invalid user link from 150.136.236.53 port 49416
Apr 13 17:58:13 124388 sshd[1005]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.136.236.53
Apr 13 17:58:13 124388 sshd[1005]: Invalid user link from 150.136.236.53 port 49416
Apr 13 17:58:15 124388 sshd[1005]: Failed password for invalid user link from 150.136.236.53 port 49416 ssh2
2020-04-14 02:55:15
111.43.223.95 attackspam
scan z
2020-04-14 03:00:53
117.50.38.3 attack
Apr 13 20:22:31 nextcloud sshd\[4857\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.50.38.3  user=root
Apr 13 20:22:32 nextcloud sshd\[4857\]: Failed password for root from 117.50.38.3 port 45156 ssh2
Apr 13 20:27:27 nextcloud sshd\[11299\]: Invalid user guenevere from 117.50.38.3
Apr 13 20:27:27 nextcloud sshd\[11299\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.50.38.3
2020-04-14 02:47:31
49.232.162.235 attackbots
Apr 13 18:54:23 Ubuntu-1404-trusty-64-minimal sshd\[28730\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.162.235  user=root
Apr 13 18:54:25 Ubuntu-1404-trusty-64-minimal sshd\[28730\]: Failed password for root from 49.232.162.235 port 42598 ssh2
Apr 13 19:14:34 Ubuntu-1404-trusty-64-minimal sshd\[9339\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.162.235  user=root
Apr 13 19:14:36 Ubuntu-1404-trusty-64-minimal sshd\[9339\]: Failed password for root from 49.232.162.235 port 45780 ssh2
Apr 13 19:19:28 Ubuntu-1404-trusty-64-minimal sshd\[11069\]: Invalid user caleb from 49.232.162.235
Apr 13 19:19:28 Ubuntu-1404-trusty-64-minimal sshd\[11069\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.162.235
2020-04-14 02:50:17
51.77.200.101 attack
Apr 13 19:51:00 srv01 sshd[29399]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.200.101  user=root
Apr 13 19:51:02 srv01 sshd[29399]: Failed password for root from 51.77.200.101 port 42280 ssh2
Apr 13 19:54:42 srv01 sshd[29602]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.200.101  user=root
Apr 13 19:54:45 srv01 sshd[29602]: Failed password for root from 51.77.200.101 port 51566 ssh2
Apr 13 19:58:20 srv01 sshd[29772]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.200.101  user=root
Apr 13 19:58:22 srv01 sshd[29772]: Failed password for root from 51.77.200.101 port 60856 ssh2
...
2020-04-14 03:05:42
62.28.253.197 attackbotsspam
SSH Bruteforce attack
2020-04-14 03:23:28
51.178.29.191 attackspambots
Unauthorised connection attempt detected at AUO MAIN. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-04-14 02:53:14
167.172.133.228 attack
no
2020-04-14 02:54:47
51.75.27.239 attackbots
Apr 13 23:22:45 gw1 sshd[19646]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.27.239
Apr 13 23:22:47 gw1 sshd[19646]: Failed password for invalid user alex from 51.75.27.239 port 36216 ssh2
...
2020-04-14 03:27:28

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