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: China

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 <<>> 121.12.145.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36839
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.12.145.53.			IN	A

;; AUTHORITY SECTION:
.			157	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022010801 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 09 10:52:00 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 53.145.12.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.145.12.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
82.79.75.192 attack
Unauthorised access (Oct  7) SRC=82.79.75.192 LEN=44 TTL=244 ID=22960 DF TCP DPT=23 WINDOW=14600 SYN
2019-10-07 16:43:36
5.196.75.178 attack
Oct  7 09:59:21 legacy sshd[15409]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.75.178
Oct  7 09:59:23 legacy sshd[15409]: Failed password for invalid user Professur123 from 5.196.75.178 port 39520 ssh2
Oct  7 10:06:59 legacy sshd[15665]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.75.178
...
2019-10-07 16:54:37
39.109.127.36 attackspambots
Oct  7 10:16:52 vps01 sshd[14305]: Failed password for root from 39.109.127.36 port 37126 ssh2
2019-10-07 16:37:16
121.143.171.119 attackbotsspam
Oct  6 21:12:32 php1 sshd\[18666\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.143.171.119  user=root
Oct  6 21:12:34 php1 sshd\[18666\]: Failed password for root from 121.143.171.119 port 50220 ssh2
Oct  6 21:17:14 php1 sshd\[19177\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.143.171.119  user=root
Oct  6 21:17:16 php1 sshd\[19177\]: Failed password for root from 121.143.171.119 port 33706 ssh2
Oct  6 21:22:07 php1 sshd\[20038\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.143.171.119  user=root
2019-10-07 16:26:14
94.231.120.189 attackspam
Oct  7 04:05:13 www_kotimaassa_fi sshd[21939]: Failed password for root from 94.231.120.189 port 52399 ssh2
...
2019-10-07 16:49:38
112.85.42.87 attackspam
Oct  7 10:47:35 itv-usvr-02 sshd[29874]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.87  user=root
2019-10-07 16:44:57
90.189.153.208 attackbotsspam
Dovecot Brute-Force
2019-10-07 16:30:16
187.49.72.230 attackbots
Oct  7 10:34:56 vps647732 sshd[3453]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.49.72.230
Oct  7 10:34:58 vps647732 sshd[3453]: Failed password for invalid user Nature@123 from 187.49.72.230 port 3009 ssh2
...
2019-10-07 16:36:15
195.62.241.200 attackbots
Unauthorised access (Oct  7) SRC=195.62.241.200 LEN=44 TTL=51 ID=29407 TCP DPT=8080 WINDOW=21460 SYN 
Unauthorised access (Oct  6) SRC=195.62.241.200 LEN=44 TTL=51 ID=25789 TCP DPT=8080 WINDOW=21460 SYN
2019-10-07 16:33:14
78.240.81.21 attackbotsspam
C1,DEF GET /shell?busybox
2019-10-07 16:50:35
178.120.126.160 attackbots
Oct  7 05:47:49 [munged] sshd[7017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.120.126.160
2019-10-07 16:38:04
31.5.121.53 attackspambots
Automatic report - Port Scan Attack
2019-10-07 16:45:44
176.79.135.185 attackspambots
Oct  7 10:56:30 server sshd\[24171\]: User root from 176.79.135.185 not allowed because listed in DenyUsers
Oct  7 10:56:30 server sshd\[24171\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.79.135.185  user=root
Oct  7 10:56:32 server sshd\[24171\]: Failed password for invalid user root from 176.79.135.185 port 58260 ssh2
Oct  7 11:01:48 server sshd\[17692\]: User root from 176.79.135.185 not allowed because listed in DenyUsers
Oct  7 11:01:48 server sshd\[17692\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.79.135.185  user=root
2019-10-07 16:49:21
49.235.177.19 attack
Oct  7 10:17:26 MK-Soft-VM4 sshd[13216]: Failed password for root from 49.235.177.19 port 57726 ssh2
...
2019-10-07 16:48:22
75.80.193.222 attack
$f2bV_matches
2019-10-07 16:26:49

Recently Reported IPs

119.254.90.139 198.166.107.79 88.76.206.82 66.154.112.2
203.70.1.203 44.62.88.229 10.12.227.142 204.83.56.219
71.92.136.40 245.71.145.111 115.13.167.153 189.94.101.43
51.158.146.233 29.183.7.47 68.183.152.136 14.195.115.98
182.224.102.157 150.92.51.96 197.229.5.64 95.182.10.68