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: Gangnam-gu

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 : 121.134.176.128


# 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 <<>> 121.134.176.128
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19854
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.134.176.128.		IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026041402 1800 900 604800 86400

;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Apr 15 13:04:11 CST 2026
;; MSG SIZE  rcvd: 108
Host info
Host 128.176.134.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 128.176.134.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
144.34.221.47 attackbots
Jul 25 05:28:37 server sshd\[20039\]: Invalid user payroll from 144.34.221.47 port 40770
Jul 25 05:28:37 server sshd\[20039\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.34.221.47
Jul 25 05:28:39 server sshd\[20039\]: Failed password for invalid user payroll from 144.34.221.47 port 40770 ssh2
Jul 25 05:33:13 server sshd\[8082\]: Invalid user trading from 144.34.221.47 port 36710
Jul 25 05:33:13 server sshd\[8082\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.34.221.47
2019-07-25 10:52:17
185.244.25.107 attackbotsspam
Splunk® : port scan detected:
Jul 24 22:11:03 testbed kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=82:c6:52:d1:6e:53:64:c3:d6:0b:ef:f0:08:00 SRC=185.244.25.107 DST=104.248.11.191 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=54321 PROTO=TCP SPT=52475 DPT=8088 WINDOW=65535 RES=0x00 SYN URGP=0
2019-07-25 10:41:02
154.8.138.184 attackbotsspam
Jul 25 03:47:13 SilenceServices sshd[13390]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.8.138.184
Jul 25 03:47:15 SilenceServices sshd[13390]: Failed password for invalid user camera from 154.8.138.184 port 53704 ssh2
Jul 25 03:49:38 SilenceServices sshd[15183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.8.138.184
2019-07-25 09:50:07
146.88.240.4 attackspam
NTP attacker
2019-07-25 10:50:00
51.75.202.218 attackbots
Jul 24 22:36:11 plusreed sshd[13339]: Invalid user sss from 51.75.202.218
...
2019-07-25 10:52:50
218.92.0.173 attackbotsspam
Jul 25 04:11:00 s64-1 sshd[28319]: Failed password for root from 218.92.0.173 port 53790 ssh2
Jul 25 04:11:12 s64-1 sshd[28319]: error: maximum authentication attempts exceeded for root from 218.92.0.173 port 53790 ssh2 [preauth]
Jul 25 04:11:17 s64-1 sshd[28321]: Failed password for root from 218.92.0.173 port 64871 ssh2
...
2019-07-25 10:21:24
61.28.233.153 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-07-25 10:42:12
49.88.112.58 attackbotsspam
Caught in portsentry honeypot
2019-07-25 10:43:12
2.82.246.7 attack
firewall-block, port(s): 22/tcp
2019-07-25 10:05:13
222.127.86.135 attackbots
Brute force attempt
2019-07-25 10:27:32
23.254.217.213 attackbotsspam
Unauthorised access (Jul 24) SRC=23.254.217.213 LEN=40 TOS=0x08 PREC=0x20 TTL=47 ID=34271 TCP DPT=23 WINDOW=35777 SYN
2019-07-25 10:04:21
80.82.64.116 attackspambots
Port scan on 3 port(s): 7232 7576 7671
2019-07-25 10:30:10
189.223.180.70 attack
Automatic report - Port Scan Attack
2019-07-25 09:49:18
2408:8240:7c01:21f2:4cd9:3bb5:9a96:5ca5 attackspam
Attack to wordpress xmlrpc
2019-07-25 10:03:46
207.180.236.126 attack
Splunk® : port scan detected:
Jul 24 18:59:45 testbed kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=82:c6:52:d1:6e:53:c0:42:d0:39:2c:30:08:00 SRC=207.180.236.126 DST=104.248.11.191 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=17745 PROTO=TCP SPT=40078 DPT=5060 WINDOW=1024 RES=0x00 SYN URGP=0
2019-07-25 09:53:52

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