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:
query : 121.131.238.25


# KOREAN(UTF8)

조회하신 IPv4주소는 한국인터넷진흥원으로부터 아래의 관리대행자에게 할당되었으며, 할당 정보는 다음과 같습니다.

[ 네트워크 할당 정보 ]
IPv4주소           : 121.128.0.0 - 121.159.255.255 (/11)
기관명             : 주식회사 케이티
서비스명           : KORNET
주소               : 경기도 성남시 분당구 불정로 90
우편번호           : 13606
할당일자           : 20060417

이름               : IP주소 담당자
전화번호           : +82-2-500-6630
전자우편           : kornet_ip@kt.com

조회하신 IPv4주소는 위의 관리대행자로부터 아래의 사용자에게 할당되었으며, 할당 정보는 다음과 같습니다.
--------------------------------------------------------------------------------


[ 네트워크 할당 정보 ]
IPv4주소           : 121.131.238.0 - 121.131.238.255 (/24)
기관명             : (주) 케이티
네트워크 구분      : CUSTOMER
주소               : 경기도 성남시 분당구 불정로 90
우편번호           : 13606
할당내역 등록일    : 20200923

이름               : IP주소 담당자
전화번호           : +82-2-500-6630
전자우편           : kornet_ip@kt.com


# ENGLISH

KRNIC is not an ISP but a National Internet Registry similar to APNIC.

[ Network Information ]
IPv4 Address       : 121.128.0.0 - 121.159.255.255 (/11)
Organization Name  : Korea Telecom
Service Name       : KORNET
Address            : Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
Zip Code           : 13606
Registration Date  : 20060417

Name               : IP Manager
Phone              : +82-2-500-6630
E-Mail             : kornet_ip@kt.com

--------------------------------------------------------------------------------

More specific assignment information is as follows.

[ Network Information ]
IPv4 Address       : 121.131.238.0 - 121.131.238.255 (/24)
Organization Name  : Korea Telecom
Network Type       : CUSTOMER
Address            : 90 Buljeongro Bundang-Gu Seongnam-Si Gyeonggi-Do
Zip Code           : 13606
Registration Date  : 20200923

Name               : IP Manager
Phone              : +82-2-500-6630
E-Mail             : kornet_ip@kt.com


- KISA/KRNIC WHOIS Service -
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.131.238.25
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15015
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.131.238.25.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026052000 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu May 21 00:02:06 CST 2026
;; MSG SIZE  rcvd: 107
Host info
Host 25.238.131.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 25.238.131.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.229.139.95 attackbotsspam
SSH Brute-Force reported by Fail2Ban
2020-07-18 05:42:24
5.135.94.191 attackbotsspam
2020-07-17T22:03:23.995370shield sshd\[24433\]: Invalid user test from 5.135.94.191 port 50656
2020-07-17T22:03:24.005959shield sshd\[24433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip191.ip-5-135-94.eu
2020-07-17T22:03:26.721014shield sshd\[24433\]: Failed password for invalid user test from 5.135.94.191 port 50656 ssh2
2020-07-17T22:09:18.454095shield sshd\[25107\]: Invalid user 3 from 5.135.94.191 port 36542
2020-07-17T22:09:18.461241shield sshd\[25107\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip191.ip-5-135-94.eu
2020-07-18 06:12:01
185.39.11.151 attackbots
firewall-block, port(s): 6021/tcp, 6054/tcp, 6066/tcp, 6083/tcp, 6151/tcp, 6152/tcp, 6166/tcp, 6170/tcp, 6184/tcp, 6239/tcp, 6267/tcp, 6344/tcp, 6365/tcp, 6374/tcp, 6406/tcp, 6414/tcp, 6575/tcp, 6684/tcp, 6911/tcp, 6921/tcp, 6923/tcp, 6936/tcp, 6960/tcp, 6974/tcp, 6983/tcp
2020-07-18 05:50:49
185.39.9.146 attack
firewall-block, port(s): 5152/tcp, 5157/tcp, 5192/tcp, 5223/tcp, 5313/tcp, 5358/tcp, 5362/tcp, 5399/tcp, 5426/tcp, 5453/tcp, 5503/tcp, 5556/tcp, 5589/tcp, 5639/tcp, 5702/tcp, 5721/tcp, 5734/tcp, 5761/tcp, 5765/tcp
2020-07-18 06:06:18
87.251.70.15 attackbots
Port scan on 6 port(s): 3383 3391 6689 33333 43389 45129
2020-07-18 06:14:35
52.231.165.27 attackbotsspam
Jul 17 21:47:38 scw-tender-jepsen sshd[23080]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.231.165.27
Jul 17 21:47:39 scw-tender-jepsen sshd[23080]: Failed password for invalid user admin from 52.231.165.27 port 56069 ssh2
2020-07-18 05:57:51
211.23.125.95 attackbotsspam
Jul 18 00:05:30 PorscheCustomer sshd[9017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.23.125.95
Jul 18 00:05:31 PorscheCustomer sshd[9017]: Failed password for invalid user loja from 211.23.125.95 port 37290 ssh2
Jul 18 00:10:08 PorscheCustomer sshd[9071]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.23.125.95
...
2020-07-18 06:10:15
212.129.246.52 attack
Invalid user admin from 212.129.246.52 port 40232
2020-07-18 06:03:07
52.186.85.231 attack
Connection to SSH Honeypot - Detected by HoneypotDB
2020-07-18 05:43:06
97.64.120.166 attackspambots
2020-07-17T21:23:22.876928shield sshd\[16030\]: Invalid user admin from 97.64.120.166 port 38040
2020-07-17T21:23:22.886090shield sshd\[16030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=97.64.120.166.16clouds.com
2020-07-17T21:23:27.186424shield sshd\[16030\]: Failed password for invalid user admin from 97.64.120.166 port 38040 ssh2
2020-07-17T21:31:16.852602shield sshd\[16490\]: Invalid user tech from 97.64.120.166 port 54182
2020-07-17T21:31:16.859942shield sshd\[16490\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=97.64.120.166.16clouds.com
2020-07-18 05:51:37
40.115.7.28 attackbots
Jul 18 00:08:51 vpn01 sshd[31573]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.115.7.28
Jul 18 00:08:52 vpn01 sshd[31573]: Failed password for invalid user admin from 40.115.7.28 port 6385 ssh2
...
2020-07-18 06:15:28
139.159.3.18 attack
Jul 17 17:31:27 NPSTNNYC01T sshd[7329]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.3.18
Jul 17 17:31:30 NPSTNNYC01T sshd[7329]: Failed password for invalid user zr from 139.159.3.18 port 51800 ssh2
Jul 17 17:34:47 NPSTNNYC01T sshd[7567]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.159.3.18
...
2020-07-18 05:40:27
104.211.245.131 attack
Brute-force attempt banned
2020-07-18 06:10:42
210.114.225.6 attackbots
firewall-block, port(s): 3389/tcp
2020-07-18 05:49:04
134.122.123.92 attackbotsspam
Jul 17 02:55:56 datentool sshd[30820]: Invalid user goyette from 134.122.123.92
Jul 17 02:55:56 datentool sshd[30820]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.122.123.92 
Jul 17 02:55:57 datentool sshd[30820]: Failed password for invalid user goyette from 134.122.123.92 port 54592 ssh2
Jul 17 03:02:09 datentool sshd[30869]: Invalid user postgres from 134.122.123.92
Jul 17 03:02:09 datentool sshd[30869]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.122.123.92 
Jul 17 03:02:11 datentool sshd[30869]: Failed password for invalid user postgres from 134.122.123.92 port 47004 ssh2
Jul 17 03:05:58 datentool sshd[30915]: Invalid user karen from 134.122.123.92
Jul 17 03:05:58 datentool sshd[30915]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.122.123.92 
Jul 17 03:06:01 datentool sshd[30915]: Failed password for invalid user karen from ........
-------------------------------
2020-07-18 05:44:59

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