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: Singapore

Internet Service Provider: Microsoft Corporation

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspambots
Mar 16 15:22:42 mail1 sshd[9590]: Invalid user default from 20.44.211.111 port 55152
Mar 16 15:22:42 mail1 sshd[9590]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=20.44.211.111
Mar 16 15:22:44 mail1 sshd[9590]: Failed password for invalid user default from 20.44.211.111 port 55152 ssh2
Mar 16 15:22:45 mail1 sshd[9590]: Received disconnect from 20.44.211.111 port 55152:11: Bye Bye [preauth]
Mar 16 15:22:45 mail1 sshd[9590]: Disconnected from 20.44.211.111 port 55152 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=20.44.211.111
2020-03-17 00:06:11
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 20.44.211.111
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 110
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			431	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020031600 1800 900 604800 86400

;; Query time: 170 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Mar 17 00:05:51 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 111.211.44.20.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 111.211.44.20.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.53.88.231 attackspam
\[2019-10-11 20:15:50\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-11T20:15:50.410-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="7593801148767414005",SessionID="0x7fc3acc3d768",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.231/60714",ACLName="no_extension_match"
\[2019-10-11 20:16:15\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-11T20:16:15.589-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="7993901148653073001",SessionID="0x7fc3ad578188",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.231/51383",ACLName="no_extension_match"
\[2019-10-11 20:16:29\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-11T20:16:29.185-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="8447901148422069001",SessionID="0x7fc3acc3d768",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.231/60251",ACL
2019-10-12 08:20:10
106.13.200.50 attackspambots
[ssh] SSH attack
2019-10-12 08:16:56
39.35.127.55 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 11-10-2019 20:00:57.
2019-10-12 08:45:02
222.186.175.155 attackbotsspam
Oct 12 02:29:34 herz-der-gamer sshd[9496]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.155  user=root
Oct 12 02:29:36 herz-der-gamer sshd[9496]: Failed password for root from 222.186.175.155 port 5604 ssh2
...
2019-10-12 08:31:19
187.141.143.18 attack
Unauthorized connection attempt from IP address 187.141.143.18 on Port 445(SMB)
2019-10-12 08:26:36
210.210.130.98 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 11-10-2019 20:00:53.
2019-10-12 08:49:55
31.10.15.182 attack
Unauthorized connection attempt from IP address 31.10.15.182 on Port 25(SMTP)
2019-10-12 08:41:19
113.31.112.11 attackspambots
Oct 11 21:53:45 www sshd\[52485\]: Failed password for root from 113.31.112.11 port 33652 ssh2Oct 11 21:57:37 www sshd\[52624\]: Failed password for root from 113.31.112.11 port 40796 ssh2Oct 11 22:01:30 www sshd\[52793\]: Failed password for root from 113.31.112.11 port 47944 ssh2
...
2019-10-12 08:10:39
91.121.211.34 attackspam
Oct 12 00:06:45 SilenceServices sshd[11508]: Failed password for root from 91.121.211.34 port 56510 ssh2
Oct 12 00:10:46 SilenceServices sshd[12907]: Failed password for root from 91.121.211.34 port 39410 ssh2
2019-10-12 08:40:07
92.119.160.69 attackbotsspam
10/11/2019-20:05:45.066831 92.119.160.69 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-10-12 08:35:09
219.85.174.71 attackspam
Unauthorized connection attempt from IP address 219.85.174.71 on Port 445(SMB)
2019-10-12 08:23:04
117.54.4.92 attackbotsspam
Unauthorized connection attempt from IP address 117.54.4.92 on Port 445(SMB)
2019-10-12 08:12:20
202.169.62.187 attackbots
Oct 11 13:48:16 web9 sshd\[13405\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.169.62.187  user=root
Oct 11 13:48:18 web9 sshd\[13405\]: Failed password for root from 202.169.62.187 port 56307 ssh2
Oct 11 13:53:03 web9 sshd\[14020\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.169.62.187  user=root
Oct 11 13:53:05 web9 sshd\[14020\]: Failed password for root from 202.169.62.187 port 47834 ssh2
Oct 11 13:57:42 web9 sshd\[14667\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.169.62.187  user=root
2019-10-12 08:08:02
104.244.76.201 attackbots
Triggered by Fail2Ban at Vostok web server
2019-10-12 08:23:39
217.21.147.112 attackbotsspam
SMB Server BruteForce Attack
2019-10-12 08:25:24

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