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: Indonesia

Internet Service Provider: PT Fajar Techno System

Hostname: unknown

Organization: PT Fajar Techno System

Usage Type: Commercial

Comments:
Type Details Datetime
attack
A spam email was sent from this SMTP server. This kind of spam emails had the following features.:
- They attempted to camouflage the SMTP server with a KDDI's legitimate server. 
- The domain of URLs in the messages was best-self.info (103.212.223.59).
2019-11-17 06:01:31
Comments on same subnet:
IP Type Details Datetime
45.121.43.21 attackspambots
Unauthorized connection attempt detected from IP address 45.121.43.21 to port 23
2020-01-01 23:40:05
45.121.43.226 attackbots
email spam
2019-12-19 18:41:40
45.121.43.21 attackspambots
email spam
2019-11-05 22:13:22
45.121.43.226 attackspam
proto=tcp  .  spt=42314  .  dpt=25  .     (listed on     Github Combined on 3 lists )     (462)
2019-07-14 00:09:30
Whois info:
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Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 45.121.43.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29476
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019060801 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sun Jun 09 03:26:05 CST 2019
;; MSG SIZE  rcvd: 115

Host info
Host 4.43.121.45.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 4.43.121.45.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
113.103.193.15 attack
Sep  8 12:18:41 s64-1 sshd[10749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.103.193.15
Sep  8 12:18:43 s64-1 sshd[10749]: Failed password for invalid user hadoop from 113.103.193.15 port 1081 ssh2
Sep  8 12:28:37 s64-1 sshd[10841]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.103.193.15
...
2019-09-08 18:54:31
183.91.87.242 attackspam
445/tcp 445/tcp 445/tcp...
[2019-07-18/09-08]6pkt,1pt.(tcp)
2019-09-08 17:56:03
123.125.71.72 attackspambots
Request to REST API denied
2019-09-08 18:43:35
213.32.91.37 attack
Sep  8 00:05:22 php1 sshd\[21883\]: Invalid user iamroot from 213.32.91.37
Sep  8 00:05:22 php1 sshd\[21883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.32.91.37
Sep  8 00:05:24 php1 sshd\[21883\]: Failed password for invalid user iamroot from 213.32.91.37 port 44926 ssh2
Sep  8 00:09:55 php1 sshd\[22313\]: Invalid user password123 from 213.32.91.37
Sep  8 00:09:55 php1 sshd\[22313\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.32.91.37
2019-09-08 18:12:53
106.12.12.7 attack
Sep  8 11:16:14 server01 sshd\[8540\]: Invalid user hadoop from 106.12.12.7
Sep  8 11:16:14 server01 sshd\[8540\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.12.7
Sep  8 11:16:16 server01 sshd\[8540\]: Failed password for invalid user hadoop from 106.12.12.7 port 55106 ssh2
...
2019-09-08 18:22:42
223.252.6.13 attackspambots
proto=tcp  .  spt=58592  .  dpt=25  .     (listed on Blocklist de  Sep 07)     (823)
2019-09-08 17:53:40
34.94.105.181 attackspambots
Sep  8 10:15:17 localhost sshd\[1491\]: Invalid user ubuntu from 34.94.105.181 port 34636
Sep  8 10:15:17 localhost sshd\[1491\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.94.105.181
Sep  8 10:15:19 localhost sshd\[1491\]: Failed password for invalid user ubuntu from 34.94.105.181 port 34636 ssh2
2019-09-08 19:07:50
128.199.162.108 attack
Reported by AbuseIPDB proxy server.
2019-09-08 19:10:28
218.92.0.147 attackbotsspam
2019-09-08T08:43:29.003491abusebot-4.cloudsearch.cf sshd\[30743\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.147  user=root
2019-09-08 17:54:15
61.19.23.30 attack
Sep  8 06:10:16 plusreed sshd[2494]: Invalid user 1234 from 61.19.23.30
...
2019-09-08 18:24:57
45.227.253.117 attack
Sep  8 12:19:05 mail postfix/smtpd\[24301\]: warning: unknown\[45.227.253.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 12:19:14 mail postfix/smtpd\[26177\]: warning: unknown\[45.227.253.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 12:20:30 mail postfix/smtpd\[26179\]: warning: unknown\[45.227.253.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-09-08 18:46:22
84.55.90.177 attackbots
23/tcp 23/tcp 2323/tcp
[2019-08-31/09-08]3pkt
2019-09-08 18:52:13
104.152.168.16 attackbots
WordPress login Brute force / Web App Attack on client site.
2019-09-08 18:18:55
103.9.159.59 attack
Sep  8 00:53:51 php1 sshd\[8805\]: Invalid user teamspeakpass from 103.9.159.59
Sep  8 00:53:51 php1 sshd\[8805\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.9.159.59
Sep  8 00:53:52 php1 sshd\[8805\]: Failed password for invalid user teamspeakpass from 103.9.159.59 port 60052 ssh2
Sep  8 00:59:56 php1 sshd\[9827\]: Invalid user sftpuser123 from 103.9.159.59
Sep  8 00:59:56 php1 sshd\[9827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.9.159.59
2019-09-08 19:09:14
103.94.130.4 attack
Sep  8 10:09:45 root sshd[10120]: Failed password for root from 103.94.130.4 port 59833 ssh2
Sep  8 10:26:38 root sshd[10243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.94.130.4 
Sep  8 10:26:40 root sshd[10243]: Failed password for invalid user test from 103.94.130.4 port 53390 ssh2
...
2019-09-08 18:13:58

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