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: Gunsan

Region: Jeollabuk-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:
query : 121.154.254.104


# 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           : 121.154.254.0 - 121.154.254.255 (/24)
기관명             : 주식회사 케이티
네트워크 구분      : INFRA
주소               : 경기도 성남시 분당구 불정로 90
우편번호           : 13606
할당내역 등록일    : 20150317

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       : 121.154.254.0 - 121.154.254.255 (/24)
Organization Name  : Korea Telecom
Network Type       : INFRA
Address            : Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
Zip Code           : 13606
Registration Date  : 20150317

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 <<>> 121.154.254.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36909
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.154.254.104.		IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026062202 1800 900 604800 86400

;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Jun 23 10:25:20 CST 2026
;; MSG SIZE  rcvd: 108
Host info
Host 104.254.154.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.254.154.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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73.254.248.117 attackspam
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122.199.152.114 attackbotsspam
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Feb 14 14:51:21 MK-Soft-VM4 sshd[19271]: Failed password for invalid user alin from 108.191.86.23 port 51324 ssh2
...
2020-02-14 22:51:20
177.207.82.204 attackbots
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171.242.103.247 attack
20/2/14@08:50:34: FAIL: Alarm-Network address from=171.242.103.247
...
2020-02-14 23:39:24
179.97.174.220 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-14 23:20:24
222.186.173.183 attackbots
Feb 14 16:18:56 h2177944 sshd\[18017\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.183  user=root
Feb 14 16:18:58 h2177944 sshd\[18017\]: Failed password for root from 222.186.173.183 port 28926 ssh2
Feb 14 16:19:02 h2177944 sshd\[18017\]: Failed password for root from 222.186.173.183 port 28926 ssh2
Feb 14 16:19:05 h2177944 sshd\[18017\]: Failed password for root from 222.186.173.183 port 28926 ssh2
...
2020-02-14 23:21:36
185.200.118.55 attack
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2020-02-14 23:04:29
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[Fri Feb 14 10:51:04.864979 2020] [:error] [pid 210670] [client 50.115.168.184:51762] [client 50.115.168.184] ModSecurity: Access denied with code 403 (phase 2). Operator GE matched 5 at TX:anomaly_score. [file "/usr/share/modsecurity-crs/rules/REQUEST-949-BLOCKING-EVALUATION.conf"] [line "91"] [id "949110"] [msg "Inbound Anomaly Score Exceeded (Total Score: 21)"] [severity "CRITICAL"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-generic"] [hostname "127.0.0.1"] [uri "/cgi-bin/ViewLog.asp"] [unique_id "Xkalxnbz-zoscdbbIWA3GwAAAAA"]
...
2020-02-14 22:58:21
189.63.253.80 attackspambots
Honeypot attack, port: 81, PTR: bd3ffd50.virtua.com.br.
2020-02-14 23:29:02

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