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 <<>> 121.140.99.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53660
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.140.99.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020602 1800 900 604800 86400

;; Query time: 37 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 08:31:32 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.99.140.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.99.140.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.71.166.19 attack
1594612353 - 07/13/2020 05:52:33 Host: 118.71.166.19/118.71.166.19 Port: 445 TCP Blocked
2020-07-13 15:33:34
112.135.8.0 attackspambots
php WP PHPmyadamin ABUSE blocked for 12h
2020-07-13 15:59:33
175.143.241.242 attackbots
Automatic report - Port Scan Attack
2020-07-13 15:50:12
180.190.54.233 attack
php WP PHPmyadamin ABUSE blocked for 12h
2020-07-13 15:57:21
49.233.216.158 attackspambots
Jul 13 08:42:23 mellenthin sshd[593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.216.158
Jul 13 08:42:25 mellenthin sshd[593]: Failed password for invalid user position from 49.233.216.158 port 32890 ssh2
2020-07-13 15:39:34
192.34.63.128 attack
Jul 13 10:07:14 ift sshd\[64314\]: Invalid user zeus from 192.34.63.128Jul 13 10:07:16 ift sshd\[64314\]: Failed password for invalid user zeus from 192.34.63.128 port 46636 ssh2Jul 13 10:10:00 ift sshd\[64597\]: Invalid user update from 192.34.63.128Jul 13 10:10:01 ift sshd\[64597\]: Failed password for invalid user update from 192.34.63.128 port 42758 ssh2Jul 13 10:12:52 ift sshd\[65242\]: Invalid user yz from 192.34.63.128
...
2020-07-13 15:32:29
71.6.158.166 attack
Unauthorized connection attempt detected from IP address 71.6.158.166 to port 9000
2020-07-13 15:53:24
161.35.89.146 attackspambots
Jul 13 08:19:47 Invalid user asif from 161.35.89.146 port 32892
2020-07-13 16:00:56
42.236.10.123 attack
Automatic report - Banned IP Access
2020-07-13 16:03:01
103.36.102.244 attackbotsspam
<6 unauthorized SSH connections
2020-07-13 15:49:26
114.35.44.253 attackbots
Jul 13 09:34:45 gw1 sshd[27728]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.35.44.253
Jul 13 09:34:47 gw1 sshd[27728]: Failed password for invalid user web from 114.35.44.253 port 54350 ssh2
...
2020-07-13 15:51:13
121.123.189.185 attackbots
20 attempts against mh-ssh on snow
2020-07-13 15:48:56
129.211.30.94 attackbots
2020-07-13T07:58:48.492621+02:00  sshd[24640]: Failed password for invalid user tux from 129.211.30.94 port 56652 ssh2
2020-07-13 15:39:15
200.196.249.170 attackspambots
Jul 13 07:56:02 vps639187 sshd\[5901\]: Invalid user monitor from 200.196.249.170 port 36942
Jul 13 07:56:02 vps639187 sshd\[5901\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.196.249.170
Jul 13 07:56:04 vps639187 sshd\[5901\]: Failed password for invalid user monitor from 200.196.249.170 port 36942 ssh2
...
2020-07-13 15:49:51
139.162.108.129 attackbots
TCP port 3389: Scan and connection
2020-07-13 15:37:12

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