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 <<>> 121.126.81.243
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55633
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.126.81.243.			IN	A

;; AUTHORITY SECTION:
.			598	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031200 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 12 13:28:18 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 243.81.126.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 243.81.126.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
193.32.163.123 attack
SSH Brute-Force reported by Fail2Ban
2019-09-23 15:55:22
206.189.212.81 attackbots
Sep 23 10:27:36 [munged] sshd[28069]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.212.81
2019-09-23 16:28:05
207.46.13.197 attackbots
Automatic report - Banned IP Access
2019-09-23 15:52:57
212.87.9.141 attackspambots
Sep 23 03:53:25 debian sshd\[19640\]: Invalid user tijah from 212.87.9.141 port 46960
Sep 23 03:53:25 debian sshd\[19640\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.87.9.141
Sep 23 03:53:28 debian sshd\[19640\]: Failed password for invalid user tijah from 212.87.9.141 port 46960 ssh2
...
2019-09-23 15:57:34
157.245.183.24 attack
ZTE Router Exploit Scanner
2019-09-23 15:49:16
103.105.216.39 attackspam
Sep 22 20:54:32 kapalua sshd\[9813\]: Invalid user ug from 103.105.216.39
Sep 22 20:54:32 kapalua sshd\[9813\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.105.216.39
Sep 22 20:54:34 kapalua sshd\[9813\]: Failed password for invalid user ug from 103.105.216.39 port 42846 ssh2
Sep 22 20:59:46 kapalua sshd\[10245\]: Invalid user admin from 103.105.216.39
Sep 22 20:59:46 kapalua sshd\[10245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.105.216.39
2019-09-23 16:27:45
222.186.175.140 attackspam
2019-09-23T07:47:38.575579abusebot-5.cloudsearch.cf sshd\[31804\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.140  user=root
2019-09-23 15:55:59
104.42.30.9 attack
Sep 23 09:35:24 ns37 sshd[5054]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.42.30.9
Sep 23 09:35:26 ns37 sshd[5054]: Failed password for invalid user rainbow from 104.42.30.9 port 22528 ssh2
Sep 23 09:39:09 ns37 sshd[5315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.42.30.9
2019-09-23 16:10:09
153.36.242.143 attackbotsspam
2019-09-23T14:57:52.264778enmeeting.mahidol.ac.th sshd\[8418\]: User root from 153.36.242.143 not allowed because not listed in AllowUsers
2019-09-23T14:57:52.471439enmeeting.mahidol.ac.th sshd\[8418\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.242.143  user=root
2019-09-23T14:57:54.426715enmeeting.mahidol.ac.th sshd\[8418\]: Failed password for invalid user root from 153.36.242.143 port 33161 ssh2
...
2019-09-23 16:00:04
81.22.45.165 attackbotsspam
Sep 23 09:52:11 lumpi kernel: INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.165 DST=172.31.1.100 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=16825 PROTO=TCP SPT=57112 DPT=7230 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2019-09-23 16:06:17
42.159.10.104 attackbotsspam
Sep 23 10:01:34 saschabauer sshd[18133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.159.10.104
Sep 23 10:01:37 saschabauer sshd[18133]: Failed password for invalid user jack from 42.159.10.104 port 56338 ssh2
2019-09-23 16:24:07
195.222.163.54 attackbotsspam
Sep 23 07:11:39 tuotantolaitos sshd[18033]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.222.163.54
Sep 23 07:11:42 tuotantolaitos sshd[18033]: Failed password for invalid user aravind from 195.222.163.54 port 33952 ssh2
...
2019-09-23 16:12:13
125.129.83.208 attack
Sep 23 05:53:08 cp sshd[10230]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.129.83.208
2019-09-23 16:25:13
54.37.129.235 attackspambots
$f2bV_matches
2019-09-23 16:03:41
104.236.94.202 attackbotsspam
Sep 22 22:12:53 eddieflores sshd\[11945\]: Invalid user guest3 from 104.236.94.202
Sep 22 22:12:53 eddieflores sshd\[11945\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.94.202
Sep 22 22:12:56 eddieflores sshd\[11945\]: Failed password for invalid user guest3 from 104.236.94.202 port 48160 ssh2
Sep 22 22:17:06 eddieflores sshd\[12315\]: Invalid user import from 104.236.94.202
Sep 22 22:17:06 eddieflores sshd\[12315\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.94.202
2019-09-23 16:29:27

Recently Reported IPs

121.126.81.227 121.126.81.26 121.126.81.30 121.126.82.125
121.127.241.164 121.130.65.215 121.134.128.35 121.134.38.140
121.134.72.48 121.134.72.93 121.134.99.152 121.134.99.206
121.135.113.229 121.135.117.76 121.135.121.101 121.135.123.222
121.135.142.250 121.135.177.140 121.135.177.229 121.135.225.207