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 (the Republic of)

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.138.142.223
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19297
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.138.142.223.		IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021601 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 17 03:39:31 CST 2025
;; MSG SIZE  rcvd: 108
Host info
Host 223.142.138.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 223.142.138.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
177.128.218.140 attackbots
Unauthorized connection attempt detected from IP address 177.128.218.140 to port 445
2020-05-02 18:39:09
183.89.235.234 attackspam
Dovecot Invalid User Login Attempt.
2020-05-02 18:46:31
185.74.4.17 attackspambots
SSH Bruteforce attack
2020-05-02 19:08:29
202.39.70.5 attackspambots
k+ssh-bruteforce
2020-05-02 19:08:12
195.24.207.252 attack
honeypot 22 port
2020-05-02 18:37:54
183.67.94.8 attackbotsspam
2020-05-02T10:56:00.8205411240 sshd\[10499\]: Invalid user jani from 183.67.94.8 port 53916
2020-05-02T10:56:00.8254491240 sshd\[10499\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.67.94.8
2020-05-02T10:56:02.7319761240 sshd\[10499\]: Failed password for invalid user jani from 183.67.94.8 port 53916 ssh2
...
2020-05-02 18:49:51
49.88.112.65 attackspambots
May  2 12:24:31 vps sshd[21374]: Failed password for root from 49.88.112.65 port 11072 ssh2
May  2 12:24:33 vps sshd[21374]: Failed password for root from 49.88.112.65 port 11072 ssh2
May  2 12:31:48 vps sshd[59304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.65  user=root
May  2 12:31:51 vps sshd[59304]: Failed password for root from 49.88.112.65 port 56324 ssh2
May  2 12:31:53 vps sshd[59304]: Failed password for root from 49.88.112.65 port 56324 ssh2
...
2020-05-02 18:57:32
185.214.14.227 attackspam
Brute forcing email accounts
2020-05-02 18:26:13
36.81.220.111 attackbotsspam
20/5/1@23:48:56: FAIL: Alarm-Network address from=36.81.220.111
...
2020-05-02 18:58:37
124.153.79.221 attack
Invalid user tester from 124.153.79.221 port 38530
2020-05-02 18:46:44
80.82.78.96 attack
May  2 12:47:11 ns3042688 courier-pop3d: LOGIN FAILED, user=support@alycotools.eu, ip=\[::ffff:80.82.78.96\]
...
2020-05-02 18:49:06
36.108.170.241 attackbotsspam
May  2 06:32:45 mail sshd\[14084\]: Invalid user bala from 36.108.170.241
May  2 06:32:45 mail sshd\[14084\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.108.170.241
...
2020-05-02 18:54:35
111.231.77.115 attackbots
Invalid user ben from 111.231.77.115 port 54406
2020-05-02 18:30:51
113.21.97.141 attack
2020-05-0205:47:071jUj7K-0008L5-74\<=info@whatsup2013.chH=\(localhost\)[113.21.97.141]:55997P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3176id=8a40f6a5ae85afa73b3e8824c3371d01d7e261@whatsup2013.chT="Wishtochat\?"forreach.ssaheb@gmail.commelindacostilla98231@gmail.com2020-05-0205:47:221jUj7W-0008Lj-L1\<=info@whatsup2013.chH=\(localhost\)[222.223.204.183]:4643P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3028id=2fb89ac9c2e93c301752e4b743848e82b1a52e51@whatsup2013.chT="Seekingatrueperson"forqwertlkjhg@gmail.comravjot42@gmail.com2020-05-0205:49:161jUj9O-00005h-DH\<=info@whatsup2013.chH=\(localhost\)[156.220.193.186]:41319P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=3148id=08c573202b002a22bebb0da146b29884d5ea06@whatsup2013.chT="Youknow\,Ilostjoy"fordenisgomez717@gmail.comrobhalloran@hotmail.com2020-05-0205:47:311jUj7i-0008Mm-W0\<=info@whatsup2013.chH=045-238-122-172.provec
2020-05-02 18:40:31
2604:a880:400:d0::d3c:3001 attackspam
xmlrpc attack
2020-05-02 18:41:56

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