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 (the 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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.253.252.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6247
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.253.252.138.		IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021100 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 12 01:30:29 CST 2025
;; MSG SIZE  rcvd: 108
Host info
Host 138.252.253.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.252.253.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
121.149.52.227 attackbotsspam
Many RDP login attempts detected by IDS script
2019-08-03 06:05:41
106.0.4.31 attack
445/tcp 445/tcp 445/tcp...
[2019-07-10/08-02]9pkt,1pt.(tcp)
2019-08-03 05:13:10
200.59.11.115 attackspambots
Unauthorised access (Aug  2) SRC=200.59.11.115 LEN=40 TTL=54 ID=31439 TCP DPT=8080 WINDOW=24019 SYN
2019-08-03 05:58:45
155.4.91.72 attackspam
DATE:2019-08-02 21:28:49, IP:155.4.91.72, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)
2019-08-03 05:20:44
66.70.189.236 attack
Aug  2 21:27:51 herz-der-gamer sshd[11167]: Invalid user src from 66.70.189.236 port 48374
Aug  2 21:27:51 herz-der-gamer sshd[11167]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.70.189.236
Aug  2 21:27:51 herz-der-gamer sshd[11167]: Invalid user src from 66.70.189.236 port 48374
Aug  2 21:27:53 herz-der-gamer sshd[11167]: Failed password for invalid user src from 66.70.189.236 port 48374 ssh2
...
2019-08-03 05:41:37
41.94.97.138 attackbots
Aug  2 21:55:46 mail sshd\[31316\]: Failed password for root from 41.94.97.138 port 60468 ssh2
Aug  2 22:13:25 mail sshd\[31565\]: Invalid user solr from 41.94.97.138 port 48608
Aug  2 22:13:25 mail sshd\[31565\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.94.97.138
...
2019-08-03 05:22:07
185.176.27.102 attack
firewall-block, port(s): 24683/tcp, 24684/tcp
2019-08-03 05:48:52
178.128.158.146 attack
2019-08-02T21:38:33.474629abusebot-8.cloudsearch.cf sshd\[23920\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.158.146  user=bin
2019-08-03 05:41:07
218.23.57.244 attackspambots
1433/tcp 3389/tcp...
[2019-07-27/08-01]5pkt,2pt.(tcp)
2019-08-03 05:38:12
201.20.73.195 attackbotsspam
2019-08-02T21:54:40.506240abusebot.cloudsearch.cf sshd\[3722\]: Invalid user chuan from 201.20.73.195 port 51690
2019-08-03 05:57:50
80.211.178.170 attackbots
Aug  2 21:27:35 ubuntu-2gb-nbg1-dc3-1 sshd[26778]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.178.170
Aug  2 21:27:37 ubuntu-2gb-nbg1-dc3-1 sshd[26778]: Failed password for invalid user frontdesk from 80.211.178.170 port 45908 ssh2
...
2019-08-03 05:44:54
204.27.57.68 attack
\[2019-08-02 17:07:06\] SECURITY\[2326\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-08-02T17:07:06.257-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="11933972541499",SessionID="0x7ff4d06383c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/204.27.57.68/49497",ACLName="no_extension_match"
\[2019-08-02 17:11:04\] SECURITY\[2326\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-08-02T17:11:04.160-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1933972541499",SessionID="0x7ff4d06383c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/204.27.57.68/62409",ACLName="no_extension_match"
\[2019-08-02 17:14:56\] SECURITY\[2326\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-08-02T17:14:56.304-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="901933972541499",SessionID="0x7ff4d07952f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/204.27.57.68/58625",ACLName="no_extension
2019-08-03 05:56:34
77.87.77.59 attackspambots
port scan and connect, tcp 1433 (ms-sql-s)
2019-08-03 05:18:16
142.93.58.123 attackspam
Aug  2 17:21:01 xtremcommunity sshd\[20347\]: Invalid user teamspeak from 142.93.58.123 port 58700
Aug  2 17:21:01 xtremcommunity sshd\[20347\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.58.123
Aug  2 17:21:03 xtremcommunity sshd\[20347\]: Failed password for invalid user teamspeak from 142.93.58.123 port 58700 ssh2
Aug  2 17:24:59 xtremcommunity sshd\[20524\]: Invalid user dana from 142.93.58.123 port 52552
Aug  2 17:24:59 xtremcommunity sshd\[20524\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.58.123
...
2019-08-03 05:36:45
99.46.143.22 attackbots
Aug  2 17:06:53 vps200512 sshd\[22059\]: Invalid user recovery from 99.46.143.22
Aug  2 17:06:53 vps200512 sshd\[22059\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=99.46.143.22
Aug  2 17:06:54 vps200512 sshd\[22059\]: Failed password for invalid user recovery from 99.46.143.22 port 48652 ssh2
Aug  2 17:11:09 vps200512 sshd\[22188\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=99.46.143.22  user=root
Aug  2 17:11:11 vps200512 sshd\[22188\]: Failed password for root from 99.46.143.22 port 41352 ssh2
2019-08-03 05:27:31

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