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: Seoul

Region: Seoul Special City

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.138.131.199
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64291
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.138.131.199.		IN	A

;; AUTHORITY SECTION:
.			291	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023052301 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed May 24 13:21:50 CST 2023
;; MSG SIZE  rcvd: 108
Host info
Host 199.131.138.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 199.131.138.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.101.97.5 attackspambots
SSH login attempts.
2020-10-04 14:13:42
165.232.97.209 attackspambots
20 attempts against mh-ssh on soil
2020-10-04 13:55:25
196.52.43.116 attack
8899/tcp 990/tcp 9080/tcp...
[2020-08-03/10-03]83pkt,59pt.(tcp),5pt.(udp)
2020-10-04 14:01:46
40.73.103.7 attackbotsspam
10312/tcp 22691/tcp 16996/tcp...
[2020-08-04/10-03]54pkt,41pt.(tcp)
2020-10-04 13:38:38
74.120.14.26 attackspam
ET CINS Active Threat Intelligence Poor Reputation IP group 64 - port: 8888 proto: tcp cat: Misc Attackbytes: 60
2020-10-04 14:05:29
220.123.173.97 attack
20648/udp 55467/udp 44502/udp...
[2020-09-16/10-02]6pkt,6pt.(udp)
2020-10-04 14:12:06
123.136.128.13 attackbotsspam
Oct  4 05:36:40 hcbbdb sshd\[21190\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.136.128.13  user=root
Oct  4 05:36:42 hcbbdb sshd\[21190\]: Failed password for root from 123.136.128.13 port 39159 ssh2
Oct  4 05:42:03 hcbbdb sshd\[21640\]: Invalid user cat from 123.136.128.13
Oct  4 05:42:03 hcbbdb sshd\[21640\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.136.128.13
Oct  4 05:42:05 hcbbdb sshd\[21640\]: Failed password for invalid user cat from 123.136.128.13 port 43524 ssh2
2020-10-04 13:48:14
188.166.251.87 attackspam
Invalid user stan from 188.166.251.87 port 50199
2020-10-04 13:40:23
106.12.38.231 attackspam
Oct  4 01:34:57 rocket sshd[22835]: Failed password for root from 106.12.38.231 port 39070 ssh2
Oct  4 01:37:54 rocket sshd[23323]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.38.231
...
2020-10-04 13:44:40
184.154.189.94 attackspambots
 UDP 184.154.189.94:32957 -> port 53, len 58
2020-10-04 13:54:55
156.96.47.131 attack
ET DROP Spamhaus DROP Listed Traffic Inbound group 17 - port: 443 proto: tcp cat: Misc Attackbytes: 60
2020-10-04 14:20:30
68.183.137.173 attack
firewall-block, port(s): 23667/tcp
2020-10-04 13:51:22
212.80.219.131 attackspambots
firewall-block, port(s): 3321/tcp, 3336/tcp, 3340/tcp, 3355/tcp, 3391/tcp
2020-10-04 14:09:51
185.81.157.120 attack
445/tcp 445/tcp 445/tcp...
[2020-08-12/10-03]7pkt,1pt.(tcp)
2020-10-04 14:17:23
193.56.28.193 attack
Oct  4 08:12:26 mx postfix/postscreen\[15389\]: PREGREET 11 after 0.09 from \[193.56.28.193\]:50428: EHLO User

...
2020-10-04 14:13:57

Recently Reported IPs

14.161.5.209 125.183.202.192 250.66.60.221 145.226.167.54
94.82.92.182 95.130.221.31 29.232.202.122 113.142.95.203
32.168.185.196 176.48.81.35 114.186.195.207 202.38.174.158
37.173.181.38 229.76.235.17 211.211.85.241 115.13.181.227
100.37.240.51 73.184.215.214 233.97.123.2 64.85.89.246