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: Australia

Internet Service Provider: Microsoft Corporation

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackbotsspam
Jul 17 23:40:12 ajax sshd[28585]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.72.228.20 
Jul 17 23:40:15 ajax sshd[28585]: Failed password for invalid user admin from 13.72.228.20 port 26418 ssh2
2020-07-18 06:42:34
attack
Jul 15 22:28:16 Ubuntu-1404-trusty-64-minimal sshd\[6379\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.72.228.20  user=games
Jul 15 22:28:18 Ubuntu-1404-trusty-64-minimal sshd\[6379\]: Failed password for games from 13.72.228.20 port 39501 ssh2
Jul 16 04:18:09 Ubuntu-1404-trusty-64-minimal sshd\[10787\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.72.228.20  user=root
Jul 16 04:18:11 Ubuntu-1404-trusty-64-minimal sshd\[10787\]: Failed password for root from 13.72.228.20 port 51449 ssh2
Jul 16 06:04:45 Ubuntu-1404-trusty-64-minimal sshd\[12859\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.72.228.20  user=root
2020-07-16 12:09:53
attackbotsspam
Jul 14 11:59:34 ws26vmsma01 sshd[126210]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.72.228.20
...
2020-07-14 20:36:29
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 13.72.228.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50597
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			573	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020071400 1800 900 604800 86400

;; Query time: 560 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Jul 14 20:36:25 CST 2020
;; MSG SIZE  rcvd: 116
Host info
Host 20.228.72.13.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.228.72.13.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
119.96.86.193 attackspambots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-10-06 18:28:53
180.244.132.90 attack
Oct  5 22:38:18 dev sshd\[27337\]: Invalid user noc from 180.244.132.90 port 56824
Oct  5 22:38:18 dev sshd\[27337\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.244.132.90
Oct  5 22:38:20 dev sshd\[27337\]: Failed password for invalid user noc from 180.244.132.90 port 56824 ssh2
2020-10-06 18:26:38
167.248.133.16 attack
Found on   CINS badguys     / proto=6  .  srcport=36044  .  dstport=8080  .     (567)
2020-10-06 18:18:28
193.112.163.159 attackspam
Oct  6 07:49:49 nas sshd[9287]: Failed password for root from 193.112.163.159 port 38108 ssh2
Oct  6 07:56:59 nas sshd[9436]: Failed password for root from 193.112.163.159 port 35972 ssh2
...
2020-10-06 18:31:45
72.10.31.242 attackspam
22/tcp
[2020-10-05]1pkt
2020-10-06 18:20:41
178.48.52.186 attackbots
20/10/5@16:38:45: FAIL: Alarm-Network address from=178.48.52.186
20/10/5@16:38:45: FAIL: Alarm-Network address from=178.48.52.186
...
2020-10-06 17:59:19
112.78.11.50 attack
Invalid user louis from 112.78.11.50 port 44228
2020-10-06 17:55:48
111.249.46.78 attackbotsspam
23/tcp 23/tcp
[2020-10-05]2pkt
2020-10-06 18:09:31
140.143.30.243 attack
sshd jail - ssh hack attempt
2020-10-06 18:34:22
60.30.98.194 attackspambots
Oct  6 12:16:56 vps647732 sshd[30333]: Failed password for root from 60.30.98.194 port 23784 ssh2
...
2020-10-06 18:21:40
91.227.68.176 attack
www/admin/index.php" is not found (2: No such file or directory), client: 91.227.68.176
2020-10-06 18:05:52
139.99.40.44 attackbots
Invalid user temp from 139.99.40.44 port 43296
2020-10-06 18:08:24
111.231.120.22 attackspambots
Oct  6 04:12:25 shivevps sshd[1608]: Failed password for root from 111.231.120.22 port 51586 ssh2
Oct  6 04:16:30 shivevps sshd[1759]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.120.22  user=root
Oct  6 04:16:32 shivevps sshd[1759]: Failed password for root from 111.231.120.22 port 53240 ssh2
...
2020-10-06 18:13:21
202.148.24.214 attack
23/tcp
[2020-10-05]1pkt
2020-10-06 18:27:30
104.168.14.36 attackbots
Found on   Blocklist de     / proto=6  .  srcport=42398  .  dstport=22 SSH  .     (991)
2020-10-06 18:34:54

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