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: Korea (Republic of)

Internet Service Provider: SK Broadband Co Ltd

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackbots
2020-08-19T18:46:27.573929shield sshd\[3739\]: Invalid user NetLinx from 221.138.40.11 port 55419
2020-08-19T18:46:27.774437shield sshd\[3739\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.138.40.11
2020-08-19T18:46:29.646874shield sshd\[3739\]: Failed password for invalid user NetLinx from 221.138.40.11 port 55419 ssh2
2020-08-19T18:46:30.839571shield sshd\[3745\]: Invalid user netscreen from 221.138.40.11 port 55624
2020-08-19T18:46:31.029216shield sshd\[3745\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.138.40.11
2020-08-20 04:22:32
attackbots
Aug  6 21:40:45 bacztwo sshd[17238]: Invalid user admin from 221.138.40.11 port 42743
Aug  6 21:40:46 bacztwo sshd[17485]: Invalid user admin from 221.138.40.11 port 42862
Aug  6 21:40:47 bacztwo sshd[17709]: Invalid user admin from 221.138.40.11 port 42964
Aug  6 21:40:48 bacztwo sshd[18017]: Invalid user admin from 221.138.40.11 port 43071
Aug  6 21:40:49 bacztwo sshd[18269]: Invalid user admin from 221.138.40.11 port 43171
Aug  6 21:40:50 bacztwo sshd[18521]: Invalid user admin from 221.138.40.11 port 43277
Aug  6 21:40:51 bacztwo sshd[18842]: Invalid user pi from 221.138.40.11 port 43412
Aug  6 21:40:52 bacztwo sshd[19163]: Invalid user pi from 221.138.40.11 port 43559
Aug  6 21:40:53 bacztwo sshd[19444]: Invalid user pi from 221.138.40.11 port 43670
Aug  6 21:40:54 bacztwo sshd[19762]: Invalid user ubnt from 221.138.40.11 port 43779
Aug  6 21:40:54 bacztwo sshd[20030]: Invalid user NetLinx from 221.138.40.11 port 43863
Aug  6 21:40:55 bacztwo sshd[20256]: Invalid user netscreen fr
...
2020-08-06 21:48:39
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 221.138.40.11
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1898
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			167	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020080602 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Aug 06 21:48:32 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 11.40.138.221.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 11.40.138.221.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
114.5.145.70 attackspam
Email rejected due to spam filtering
2020-03-19 19:21:50
186.207.180.25 attackspambots
Mar 19 11:17:22 mail sshd\[12885\]: Invalid user admin from 186.207.180.25
Mar 19 11:17:22 mail sshd\[12885\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.207.180.25
Mar 19 11:17:23 mail sshd\[12885\]: Failed password for invalid user admin from 186.207.180.25 port 51790 ssh2
...
2020-03-19 18:49:54
121.157.82.202 attack
Mar 19 10:05:49 santamaria sshd\[5543\]: Invalid user 22 from 121.157.82.202
Mar 19 10:05:49 santamaria sshd\[5543\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.157.82.202
Mar 19 10:05:51 santamaria sshd\[5543\]: Failed password for invalid user 22 from 121.157.82.202 port 40558 ssh2
...
2020-03-19 19:23:55
14.162.243.237 attackbots
2020-03-1904:52:131jEmE7-0002l8-CH\<=info@whatsup2013.chH=\(localhost\)[123.20.42.241]:38429P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3561id=ABAE184B4094BA09D5D09921D5C3A780@whatsup2013.chT="iamChristina"fortattoosh@yahoo.comajahakca@gmail.com2020-03-1904:52:041jEmDy-0002l7-3i\<=info@whatsup2013.chH=\(localhost\)[14.162.243.237]:40761P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3619id=EBEE580B00D4FA499590D961956D63FA@whatsup2013.chT="iamChristina"forchongole.tc@gmail.comnkumrania863017@gmail.com2020-03-1904:50:131jEmCB-0002aI-SC\<=info@whatsup2013.chH=mx-ll-183.89.212-129.dynamic.3bb.co.th\(localhost\)[183.89.212.129]:38648P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3668id=F9FC4A1912C6E85B8782CB7387A82FEA@whatsup2013.chT="iamChristina"foryouba.narco@gmai.comqurbonboyevsuxrobg@mail.com2020-03-1904:50:591jEmCw-0002gV-MM\<=info@whatsup2013.chH=89-157-89-203.rev.numer
2020-03-19 19:22:42
51.89.149.213 attack
DATE:2020-03-19 07:43:05, IP:51.89.149.213, PORT:ssh SSH brute force auth (docker-dc)
2020-03-19 19:17:49
177.107.188.94 attackbots
Email rejected due to spam filtering
2020-03-19 19:21:03
212.64.8.10 attackbotsspam
2020-03-18 UTC: (8x) - as-hadoop,ftpsecure,nproc,root(4x),www
2020-03-19 19:19:58
51.79.66.142 attackbots
Mar 19 13:46:39 hosting sshd[12954]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.ip-51-79-66.net  user=root
Mar 19 13:46:41 hosting sshd[12954]: Failed password for root from 51.79.66.142 port 53298 ssh2
...
2020-03-19 19:05:57
165.227.58.61 attackbots
2020-03-18 UTC: (31x) - mq,nproc,postgres,root(21x),svnuser,sysadmin,testnet,ubuntu,user21,yangx,zll
2020-03-19 19:32:57
41.238.40.64 attackspambots
SSH login attempts.
2020-03-19 19:11:15
218.69.91.84 attack
2020-03-18 UTC: (24x) - alok,azureuser,cpanellogin,gnats,meteor,rohit,root(14x),sammy,server-pilotuser,testuser1,vikas
2020-03-19 19:27:35
171.247.1.38 attackbots
Automatic report - Port Scan Attack
2020-03-19 18:56:29
106.12.98.111 attackbotsspam
SSH brute force attempt
2020-03-19 19:28:56
188.35.187.50 attack
Mar 19 06:48:14 firewall sshd[17992]: Invalid user nagios from 188.35.187.50
Mar 19 06:48:16 firewall sshd[17992]: Failed password for invalid user nagios from 188.35.187.50 port 40632 ssh2
Mar 19 06:57:12 firewall sshd[18491]: Invalid user mailman from 188.35.187.50
...
2020-03-19 19:28:00
51.77.210.216 attackspam
detected by Fail2Ban
2020-03-19 19:12:47

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