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: Hong Kong

Internet Service Provider: Microsoft Corporation

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspambots
May 15 14:07:03 myhostname sshd[18012]: Invalid user system from 13.75.109.194
May 15 14:07:03 myhostname sshd[18012]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.75.109.194
May 15 14:07:04 myhostname sshd[18012]: Failed password for invalid user system from 13.75.109.194 port 36878 ssh2
May 15 14:07:05 myhostname sshd[18012]: Received disconnect from 13.75.109.194 port 36878:11: Normal Shutdown, Thank you for playing [preauth]
May 15 14:07:05 myhostname sshd[18012]: Disconnected from 13.75.109.194 port 36878 [preauth]
May 15 14:07:32 myhostname sshd[18337]: Invalid user system from 13.75.109.194
May 15 14:07:32 myhostname sshd[18337]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.75.109.194
May 15 14:07:34 myhostname sshd[18337]: Failed password for invalid user system from 13.75.109.194 port 33774 ssh2
May 15 14:07:34 myhostname sshd[18337]: Received disconnect from 13.75.109.1........
-------------------------------
2020-05-16 01:47:41
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 13.75.109.194
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29739
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			472	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020051501 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat May 16 01:47:32 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 194.109.75.13.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 194.109.75.13.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
170.244.212.118 attackbots
SMTP/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
2019-07-08 16:45:21
170.244.212.110 attack
SMTP/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
2019-07-08 16:46:57
177.129.206.227 attackbotsspam
Brute force attack stopped by firewall
2019-07-08 16:00:18
187.120.141.73 attackbots
Brute force attack stopped by firewall
2019-07-08 16:26:44
123.20.110.190 attack
Automatic report - SSH Brute-Force Attack
2019-07-08 16:33:00
191.53.222.80 attackspam
Brute force attack stopped by firewall
2019-07-08 16:18:05
196.43.172.28 attackspam
Jul  8 09:45:08 shared07 sshd[12643]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.43.172.28  user=r.r
Jul  8 09:45:10 shared07 sshd[12643]: Failed password for r.r from 196.43.172.28 port 56308 ssh2
Jul  8 09:45:10 shared07 sshd[12643]: Received disconnect from 196.43.172.28 port 56308:11: Bye Bye [preauth]
Jul  8 09:45:10 shared07 sshd[12643]: Disconnected from 196.43.172.28 port 56308 [preauth]
Jul  8 09:48:19 shared07 sshd[13546]: Invalid user test from 196.43.172.28
Jul  8 09:48:19 shared07 sshd[13546]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.43.172.28
Jul  8 09:48:21 shared07 sshd[13546]: Failed password for invalid user test from 196.43.172.28 port 50784 ssh2
Jul  8 09:48:21 shared07 sshd[13546]: Received disconnect from 196.43.172.28 port 50784:11: Bye Bye [preauth]
Jul  8 09:48:21 shared07 sshd[13546]: Disconnected from 196.43.172.28 port 50784 [preauth]


........
--------------------------------------
2019-07-08 16:35:12
168.228.148.118 attackspambots
Brute force attack to crack SMTP password (port 25 / 587)
2019-07-08 15:56:13
191.53.251.226 attack
Brute force attack stopped by firewall
2019-07-08 16:16:23
177.21.133.208 attack
Brute force attack stopped by firewall
2019-07-08 16:27:50
200.24.84.8 attack
Unauthorized IMAP connection attempt.
2019-07-08 16:03:09
167.71.171.211 attackspambots
Jul  8 08:25:46 master sshd[23107]: Failed password for root from 167.71.171.211 port 48750 ssh2
Jul  8 08:25:49 master sshd[23109]: Failed password for invalid user admin from 167.71.171.211 port 38960 ssh2
Jul  8 08:25:52 master sshd[23111]: Failed password for invalid user admin from 167.71.171.211 port 58298 ssh2
Jul  8 08:25:55 master sshd[23113]: Failed password for invalid user user from 167.71.171.211 port 50906 ssh2
Jul  8 08:25:58 master sshd[23115]: Failed password for invalid user ubnt from 167.71.171.211 port 43126 ssh2
Jul  8 08:26:00 master sshd[23117]: Failed password for invalid user admin from 167.71.171.211 port 35124 ssh2
Jul  8 08:26:04 master sshd[23119]: Failed password for invalid user guest from 167.71.171.211 port 52634 ssh2
Jul  8 08:26:07 master sshd[23121]: Failed password for invalid user test from 167.71.171.211 port 48452 ssh2
2019-07-08 16:34:17
177.11.191.244 attack
Brute force attack stopped by firewall
2019-07-08 16:28:11
139.59.29.153 attackspam
Jul  8 10:08:56 srv05 sshd[18391]: Failed password for invalid user chico from 139.59.29.153 port 51964 ssh2
Jul  8 10:08:57 srv05 sshd[18391]: Received disconnect from 139.59.29.153: 11: Bye Bye [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=139.59.29.153
2019-07-08 16:45:37
164.52.24.162 attackspam
firewall-block_invalid_GET_Request
2019-07-08 16:09:21

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