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: Yangp'yŏng

Region: Gyeonggi-do

Country: South Korea

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 <<>> 121.157.138.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13422
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.157.138.51.			IN	A

;; AUTHORITY SECTION:
.			233	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023082801 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Aug 29 10:13:09 CST 2023
;; MSG SIZE  rcvd: 107
Host info
Host 51.138.157.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 51.138.157.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
139.59.16.245 attack
$f2bV_matches
2019-12-16 06:29:37
103.255.144.247 attack
Unauthorized connection attempt from IP address 103.255.144.247 on Port 445(SMB)
2019-12-16 06:49:28
190.181.60.2 attack
Dec 15 11:57:54 sachi sshd\[16627\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static-190-181-60-2.acelerate.net  user=sync
Dec 15 11:57:55 sachi sshd\[16627\]: Failed password for sync from 190.181.60.2 port 47146 ssh2
Dec 15 12:05:38 sachi sshd\[17396\]: Invalid user admin from 190.181.60.2
Dec 15 12:05:38 sachi sshd\[17396\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static-190-181-60-2.acelerate.net
Dec 15 12:05:40 sachi sshd\[17396\]: Failed password for invalid user admin from 190.181.60.2 port 55384 ssh2
2019-12-16 06:22:42
106.13.146.93 attackbotsspam
Dec 15 23:43:33 meumeu sshd[10148]: Failed password for root from 106.13.146.93 port 38848 ssh2
Dec 15 23:49:52 meumeu sshd[11045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.146.93 
Dec 15 23:49:54 meumeu sshd[11045]: Failed password for invalid user named from 106.13.146.93 port 35982 ssh2
...
2019-12-16 06:54:53
149.56.100.237 attack
Dec 15 23:47:33 ovpn sshd\[4412\]: Invalid user petrillo from 149.56.100.237
Dec 15 23:47:33 ovpn sshd\[4412\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.100.237
Dec 15 23:47:35 ovpn sshd\[4412\]: Failed password for invalid user petrillo from 149.56.100.237 port 45812 ssh2
Dec 15 23:53:01 ovpn sshd\[5681\]: Invalid user shanay from 149.56.100.237
Dec 15 23:53:01 ovpn sshd\[5681\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.100.237
2019-12-16 07:00:09
188.162.167.120 attackbots
Unauthorized connection attempt from IP address 188.162.167.120 on Port 445(SMB)
2019-12-16 06:23:02
51.159.59.241 attack
51.159.59.241 was recorded 17 times by 17 hosts attempting to connect to the following ports: 5683. Incident counter (4h, 24h, all-time): 17, 59, 426
2019-12-16 06:35:04
121.7.25.86 attack
5432/tcp 5432/tcp 5432/tcp
[2019-10-22/12-15]3pkt
2019-12-16 06:58:04
54.36.232.55 attackbots
Dec 15 22:02:28 MK-Soft-VM6 sshd[13547]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.36.232.55 
Dec 15 22:02:30 MK-Soft-VM6 sshd[13547]: Failed password for invalid user melecia from 54.36.232.55 port 2540 ssh2
...
2019-12-16 06:26:52
199.195.251.227 attackspambots
Dec 15 12:22:53 tdfoods sshd\[2304\]: Invalid user rieder from 199.195.251.227
Dec 15 12:22:53 tdfoods sshd\[2304\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.195.251.227
Dec 15 12:22:55 tdfoods sshd\[2304\]: Failed password for invalid user rieder from 199.195.251.227 port 59292 ssh2
Dec 15 12:29:42 tdfoods sshd\[2939\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.195.251.227  user=root
Dec 15 12:29:44 tdfoods sshd\[2939\]: Failed password for root from 199.195.251.227 port 38886 ssh2
2019-12-16 06:48:31
117.4.89.159 attackbots
Unauthorized connection attempt from IP address 117.4.89.159 on Port 445(SMB)
2019-12-16 06:41:19
180.215.120.2 attack
$f2bV_matches
2019-12-16 06:47:26
62.234.68.246 attackspambots
Dec 15 23:08:34 localhost sshd\[1824\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.68.246  user=root
Dec 15 23:08:36 localhost sshd\[1824\]: Failed password for root from 62.234.68.246 port 51574 ssh2
Dec 15 23:16:46 localhost sshd\[13182\]: Invalid user mysql from 62.234.68.246 port 49763
2019-12-16 06:42:20
89.185.1.175 attack
Triggered by Fail2Ban at Vostok web server
2019-12-16 06:44:01
142.93.198.152 attack
$f2bV_matches_ltvn
2019-12-16 06:40:23

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