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: 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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.159.21.159
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18079
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.159.21.159.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021300 1800 900 604800 86400

;; Query time: 47 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 13 14:12:41 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 159.21.159.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 159.21.159.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
94.177.214.200 attack
Nov 24 19:09:49 hosting sshd[10991]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.177.214.200  user=root
Nov 24 19:09:51 hosting sshd[10991]: Failed password for root from 94.177.214.200 port 55492 ssh2
...
2019-11-25 05:04:09
103.66.16.18 attackspam
SSH bruteforce (Triggered fail2ban)
2019-11-25 04:46:11
147.139.138.183 attack
Nov 24 16:17:10 ks10 sshd[16844]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=147.139.138.183 
Nov 24 16:17:12 ks10 sshd[16844]: Failed password for invalid user nuan from 147.139.138.183 port 39560 ssh2
...
2019-11-25 05:23:45
180.243.1.131 attack
Unauthorized connection attempt from IP address 180.243.1.131 on Port 445(SMB)
2019-11-25 05:19:51
182.76.180.42 attackbots
Unauthorized connection attempt from IP address 182.76.180.42 on Port 445(SMB)
2019-11-25 05:20:36
154.16.67.143 attackbotsspam
2019-11-24T20:56:00.328768abusebot-6.cloudsearch.cf sshd\[19745\]: Invalid user drapala from 154.16.67.143 port 53916
2019-11-25 05:17:31
94.51.52.114 attack
Unauthorized connection attempt from IP address 94.51.52.114 on Port 445(SMB)
2019-11-25 04:54:36
89.163.209.26 attackspam
Nov 24 08:18:23 hpm sshd\[3927\]: Invalid user sreid123 from 89.163.209.26
Nov 24 08:18:23 hpm sshd\[3927\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=rs000279.fastrootserver.de
Nov 24 08:18:25 hpm sshd\[3927\]: Failed password for invalid user sreid123 from 89.163.209.26 port 33903 ssh2
Nov 24 08:24:23 hpm sshd\[4439\]: Invalid user 1Q2W3E!@\# from 89.163.209.26
Nov 24 08:24:23 hpm sshd\[4439\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=rs000279.fastrootserver.de
2019-11-25 04:50:38
192.68.185.252 attack
Nov 24 14:53:22 www6-3 sshd[23761]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.68.185.252  user=r.r
Nov 24 14:53:23 www6-3 sshd[23761]: Failed password for r.r from 192.68.185.252 port 54554 ssh2
Nov 24 14:53:24 www6-3 sshd[23761]: Received disconnect from 192.68.185.252 port 54554:11: Bye Bye [preauth]
Nov 24 14:53:24 www6-3 sshd[23761]: Disconnected from 192.68.185.252 port 54554 [preauth]
Nov 24 15:03:22 www6-3 sshd[24847]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.68.185.252  user=r.r
Nov 24 15:03:25 www6-3 sshd[24847]: Failed password for r.r from 192.68.185.252 port 40408 ssh2
Nov 24 15:03:25 www6-3 sshd[24847]: Received disconnect from 192.68.185.252 port 40408:11: Bye Bye [preauth]
Nov 24 15:03:25 www6-3 sshd[24847]: Disconnected from 192.68.185.252 port 40408 [preauth]
Nov 24 15:11:22 www6-3 sshd[25760]: Invalid user dreuilles from 192.68.185.252 port 49476
Nov 24........
-------------------------------
2019-11-25 04:49:56
202.142.169.162 attackbots
Unauthorized connection attempt from IP address 202.142.169.162 on Port 445(SMB)
2019-11-25 05:11:29
178.206.17.20 attack
Unauthorized connection attempt from IP address 178.206.17.20 on Port 445(SMB)
2019-11-25 05:00:36
139.59.59.194 attack
Nov 24 17:46:17 hosting sshd[5391]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.59.194  user=root
Nov 24 17:46:19 hosting sshd[5391]: Failed password for root from 139.59.59.194 port 59442 ssh2
...
2019-11-25 04:51:59
90.187.62.121 attackspam
SSH Brute-Force attacks
2019-11-25 04:53:53
142.93.195.189 attack
Nov 24 19:43:35 *** sshd[11437]: Invalid user debian from 142.93.195.189
2019-11-25 04:51:03
118.25.36.176 attackspambots
[portscan] Port scan
2019-11-25 05:18:47

Recently Reported IPs

121.166.15.112 121.163.108.48 121.169.160.173 121.159.115.242
121.169.178.112 121.169.34.66 121.169.147.42 121.17.125.7
121.170.111.149 121.172.168.57 121.171.168.73 121.173.217.35
121.175.135.244 121.174.125.109 121.175.140.112 121.174.216.54
121.175.193.239 121.175.55.58 121.175.62.243 121.176.101.8