121.134.176.103

Basic Info

City: Gangnam-gu

Region: Seoul Special City

Country: South Korea

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:

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Comments on same subnet:

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Whois info:

query : 121.134.176.103


# 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           : 121.134.176.0 - 121.134.176.255 (/24)
기관명             : (주) 케이티
네트워크 구분      : CUSTOMER
주소               : 서울특별시 강남구 도곡동
우편번호           : 135270
할당내역 등록일    : 20240829

이름               : IP주소 담당자
전화번호           : +82-2-500-6631
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       : 121.134.176.0 - 121.134.176.255 (/24)
Organization Name  : KT
Network Type       : CUSTOMER
Address            : Dogok-Dong Gangnam-Gu Seoulteukbyeol-Si
Zip Code           : 135270
Registration Date  : 20240829

Name               : IP Manager
Phone              : +82-2-500-6631
E-Mail             : kornet_ip@kt.com


- KISA/KRNIC WHOIS Service -

Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.134.176.103
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19963
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.134.176.103.		IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026032500 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Mar 25 16:03:35 CST 2026
;; MSG SIZE  rcvd: 108

Host info

Host 103.176.134.121.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 103.176.134.121.in-addr.arpa: NXDOMAIN

Related IP info:

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41.34.170.218	attack	Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -	2020-01-25 00:46:58
80.90.169.242	attackspam	Unauthorised access (Jan 24) SRC=80.90.169.242 LEN=48 TTL=113 ID=21698 DF TCP DPT=445 WINDOW=8192 SYN	2020-01-25 00:17:30
222.186.190.2	attackspam	Jan 24 17:05:44 eventyay sshd[22166]: Failed password for root from 222.186.190.2 port 27360 ssh2 Jan 24 17:05:56 eventyay sshd[22166]: error: maximum authentication attempts exceeded for root from 222.186.190.2 port 27360 ssh2 [preauth] Jan 24 17:06:02 eventyay sshd[22168]: Failed password for root from 222.186.190.2 port 52182 ssh2 ...	2020-01-25 00:23:14
198.8.81.92	attackspambots	Brute force VPN server	2020-01-25 00:29:40
3.231.222.198	attack	Jan 24 17:10:12 meumeu sshd[7539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=3.231.222.198 Jan 24 17:10:14 meumeu sshd[7539]: Failed password for invalid user ubuntu from 3.231.222.198 port 40682 ssh2 Jan 24 17:15:55 meumeu sshd[8351]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=3.231.222.198 ...	2020-01-25 00:26:22
46.100.107.72	attackspam	port scan and connect, tcp 1433 (ms-sql-s)	2020-01-25 00:41:03
63.81.87.193	attackspambots	Jan 24 14:38:05 grey postfix/smtpd\[26261\]: NOQUEUE: reject: RCPT from pets.jcnovel.com\[63.81.87.193\]: 554 5.7.1 Service unavailable\; Client host \[63.81.87.193\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[63.81.87.193\]\; from=\ to=\ proto=ESMTP helo=\ ...	2020-01-25 00:44:30

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