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 12 11:03:01 rigel postfix/smtpd[28394]: warning: hostname 45-236-73-70.meganet.com.br does not resolve to address 45.236.73.70: Name or service not known
Jul 12 11:03:01 rigel postfix/smtpd[28394]: connect from unknown[45.236.73.70]
Jul 12 11:03:05 rigel postfix/smtpd[28394]: warning: unknown[45.236.73.70]: SASL CRAM-MD5 authentication failed: authentication failure
Jul 12 11:03:05 rigel postfix/smtpd[28394]: warning: unknown[45.236.73.70]: SASL PLAIN authentication failed: authentication failure
Jul 12 11:03:07 rigel postfix/smtpd[28394]: warning: unknown[45.236.73.70]: SASL LOGIN authentication failed: authentication failure
Jul 12 11:03:08 rigel postfix/smtpd[28394]: disconnect from unknown[45.236.73.70]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.236.73.70
2019-07-15 09:56:30
Comments on same subnet:
IP Type Details Datetime
45.236.73.109 attack
Jun 16 05:42:15 mail.srvfarm.net postfix/smtps/smtpd[938098]: lost connection after CONNECT from unknown[45.236.73.109]
Jun 16 05:46:33 mail.srvfarm.net postfix/smtps/smtpd[954246]: warning: unknown[45.236.73.109]: SASL PLAIN authentication failed: 
Jun 16 05:46:34 mail.srvfarm.net postfix/smtps/smtpd[954246]: lost connection after AUTH from unknown[45.236.73.109]
Jun 16 05:47:01 mail.srvfarm.net postfix/smtps/smtpd[954624]: warning: unknown[45.236.73.109]: SASL PLAIN authentication failed: 
Jun 16 05:47:02 mail.srvfarm.net postfix/smtps/smtpd[954624]: lost connection after AUTH from unknown[45.236.73.109]
2020-06-16 15:40:49
45.236.73.10 attackspambots
Jun  8 05:32:05 mail.srvfarm.net postfix/smtpd[673236]: warning: unknown[45.236.73.10]: SASL PLAIN authentication failed: 
Jun  8 05:32:06 mail.srvfarm.net postfix/smtpd[673236]: lost connection after AUTH from unknown[45.236.73.10]
Jun  8 05:37:33 mail.srvfarm.net postfix/smtpd[669639]: warning: unknown[45.236.73.10]: SASL PLAIN authentication failed: 
Jun  8 05:37:34 mail.srvfarm.net postfix/smtpd[669639]: lost connection after AUTH from unknown[45.236.73.10]
Jun  8 05:39:31 mail.srvfarm.net postfix/smtps/smtpd[672469]: warning: unknown[45.236.73.10]: SASL PLAIN authentication failed:
2020-06-08 18:31:45
45.236.73.213 attackbots
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-05 13:10:40
45.236.73.231 attackbotsspam
May 13 22:52:31 mail.srvfarm.net postfix/smtps/smtpd[720868]: warning: unknown[45.236.73.231]: SASL PLAIN authentication failed: 
May 13 22:52:31 mail.srvfarm.net postfix/smtps/smtpd[720868]: lost connection after AUTH from unknown[45.236.73.231]
May 13 23:01:17 mail.srvfarm.net postfix/smtps/smtpd[721764]: warning: unknown[45.236.73.231]: SASL PLAIN authentication failed: 
May 13 23:01:17 mail.srvfarm.net postfix/smtps/smtpd[721764]: lost connection after AUTH from unknown[45.236.73.231]
May 13 23:01:49 mail.srvfarm.net postfix/smtpd[719517]: warning: unknown[45.236.73.231]: SASL PLAIN authentication failed:
2020-05-14 08:35:04
45.236.73.188 attackbots
May 13 14:21:01 mail.srvfarm.net postfix/smtps/smtpd[553477]: warning: unknown[45.236.73.188]: SASL PLAIN authentication failed: 
May 13 14:21:02 mail.srvfarm.net postfix/smtps/smtpd[553477]: lost connection after AUTH from unknown[45.236.73.188]
May 13 14:21:49 mail.srvfarm.net postfix/smtps/smtpd[553477]: warning: unknown[45.236.73.188]: SASL PLAIN authentication failed: 
May 13 14:21:49 mail.srvfarm.net postfix/smtps/smtpd[553477]: lost connection after AUTH from unknown[45.236.73.188]
May 13 14:24:23 mail.srvfarm.net postfix/smtps/smtpd[553535]: warning: unknown[45.236.73.188]: SASL PLAIN authentication failed:
2020-05-14 02:54:33
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 45.236.73.70
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13717
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019071401 1800 900 604800 86400

;; Query time: 4 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Mon Jul 15 09:56:23 CST 2019
;; MSG SIZE  rcvd: 116
Host info
70.73.236.45.in-addr.arpa domain name pointer 45-236-73-70.meganet.com.br.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
70.73.236.45.in-addr.arpa	name = 45-236-73-70.meganet.com.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
112.215.113.11 attackspam
Feb  9 23:02:18 web8 sshd\[19251\]: Invalid user afo from 112.215.113.11
Feb  9 23:02:18 web8 sshd\[19251\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.215.113.11
Feb  9 23:02:19 web8 sshd\[19251\]: Failed password for invalid user afo from 112.215.113.11 port 43868 ssh2
Feb  9 23:05:27 web8 sshd\[20782\]: Invalid user qhv from 112.215.113.11
Feb  9 23:05:27 web8 sshd\[20782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.215.113.11
2020-02-10 07:10:30
182.253.105.93 attackspam
Feb  9 23:08:31 pornomens sshd\[12852\]: Invalid user dse from 182.253.105.93 port 46428
Feb  9 23:08:31 pornomens sshd\[12852\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.253.105.93
Feb  9 23:08:33 pornomens sshd\[12852\]: Failed password for invalid user dse from 182.253.105.93 port 46428 ssh2
...
2020-02-10 07:07:36
222.186.30.248 attackbotsspam
09.02.2020 23:11:58 SSH access blocked by firewall
2020-02-10 07:14:27
49.213.202.108 attack
Honeypot attack, port: 81, PTR: 108-202-213-49.tinp.net.tw.
2020-02-10 07:41:39
196.52.43.53 attackspam
" "
2020-02-10 07:01:13
181.197.180.33 attackbotsspam
Honeypot attack, port: 81, PTR: PTR record not found
2020-02-10 07:35:41
122.225.85.78 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-10 07:15:12
113.178.67.191 attack
1581286114 - 02/09/2020 23:08:34 Host: 113.178.67.191/113.178.67.191 Port: 445 TCP Blocked
2020-02-10 07:06:36
222.186.169.192 attack
Feb  9 13:32:10 php1 sshd\[7174\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.169.192  user=root
Feb  9 13:32:12 php1 sshd\[7174\]: Failed password for root from 222.186.169.192 port 36796 ssh2
Feb  9 13:32:15 php1 sshd\[7174\]: Failed password for root from 222.186.169.192 port 36796 ssh2
Feb  9 13:32:26 php1 sshd\[7179\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.169.192  user=root
Feb  9 13:32:28 php1 sshd\[7179\]: Failed password for root from 222.186.169.192 port 6298 ssh2
2020-02-10 07:33:50
185.176.222.41 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-10 07:25:55
61.177.172.128 attack
Feb 10 00:34:46 vmd17057 sshd\[29883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.128  user=root
Feb 10 00:34:48 vmd17057 sshd\[29883\]: Failed password for root from 61.177.172.128 port 61542 ssh2
Feb 10 00:34:51 vmd17057 sshd\[29883\]: Failed password for root from 61.177.172.128 port 61542 ssh2
...
2020-02-10 07:36:53
159.203.27.98 attack
Feb  9 23:08:27 sxvn sshd[1825743]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.27.98
2020-02-10 07:12:53
51.15.95.127 attack
Feb  9 13:18:17 hpm sshd\[29526\]: Invalid user trx from 51.15.95.127
Feb  9 13:18:17 hpm sshd\[29526\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.95.127
Feb  9 13:18:19 hpm sshd\[29526\]: Failed password for invalid user trx from 51.15.95.127 port 38320 ssh2
Feb  9 13:21:17 hpm sshd\[29862\]: Invalid user jvw from 51.15.95.127
Feb  9 13:21:17 hpm sshd\[29862\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.95.127
2020-02-10 07:31:06
54.148.226.208 attack
02/09/2020-23:56:36.694072 54.148.226.208 Protocol: 6 SURICATA TLS invalid record/traffic
2020-02-10 07:06:08
179.127.193.166 attack
firewall-block, port(s): 445/tcp
2020-02-10 07:35:03

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