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: Nowon-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 : 125.128.203.128


# KOREAN(UTF8)

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

[ 네트워크 할당 정보 ]
IPv4주소           : 125.128.0.0 - 125.159.255.255 (/11)
기관명             : 주식회사 케이티
서비스명           : KORNET
주소               : 경기도 성남시 분당구 불정로 90
우편번호           : 13606
할당일자           : 20050822

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           : 125.128.203.0 - 125.128.203.255 (/24)
기관명             : (주) 케이티
네트워크 구분      : CUSTOMER
주소               : 서울특별시 강북구 미아9동
우편번호           : 142-109
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       : 125.128.0.0 - 125.159.255.255 (/11)
Organization Name  : Korea Telecom
Service Name       : KORNET
Address            : Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
Zip Code           : 13606
Registration Date  : 20050822

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       : 125.128.203.0 - 125.128.203.255 (/24)
Organization Name  : KT
Network Type       : CUSTOMER
Address            : Mia9-Dong Gangbuk-Gu Seoulteukbyeol-Si
Zip Code           : 142-109
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 <<>> 125.128.203.128
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35930
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;125.128.203.128.		IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026032300 1800 900 604800 86400

;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 23 21:42:46 CST 2026
;; MSG SIZE  rcvd: 108
Host info
Host 128.203.128.125.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 128.203.128.125.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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163.172.24.40 attackbotsspam
May 26 23:02:42 Host-KLAX-C sshd[377]: Invalid user testuser from 163.172.24.40 port 50316
...
2020-05-27 13:25:01
89.136.52.0 attackbots
Triggered by Fail2Ban at Ares web server
2020-05-27 12:55:32
61.19.247.125 attackspam
Wordpress malicious attack:[sshd]
2020-05-27 12:53:18
152.136.102.131 attackbotsspam
Invalid user aDmin123 from 152.136.102.131 port 56468
2020-05-27 13:22:11
195.54.201.12 attackbotsspam
Invalid user admin from 195.54.201.12 port 40142
2020-05-27 13:01:26
159.89.167.22 attackspam
WordPress login Brute force / Web App Attack on client site.
2020-05-27 13:29:36
67.205.145.234 attack
May 27 06:07:22 srv-ubuntu-dev3 sshd[70165]: Invalid user abo from 67.205.145.234
May 27 06:07:22 srv-ubuntu-dev3 sshd[70165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.145.234
May 27 06:07:22 srv-ubuntu-dev3 sshd[70165]: Invalid user abo from 67.205.145.234
May 27 06:07:24 srv-ubuntu-dev3 sshd[70165]: Failed password for invalid user abo from 67.205.145.234 port 55980 ssh2
May 27 06:10:45 srv-ubuntu-dev3 sshd[70678]: Invalid user ddos from 67.205.145.234
May 27 06:10:45 srv-ubuntu-dev3 sshd[70678]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.145.234
May 27 06:10:45 srv-ubuntu-dev3 sshd[70678]: Invalid user ddos from 67.205.145.234
May 27 06:10:47 srv-ubuntu-dev3 sshd[70678]: Failed password for invalid user ddos from 67.205.145.234 port 60858 ssh2
May 27 06:14:01 srv-ubuntu-dev3 sshd[71211]: Invalid user watford from 67.205.145.234
...
2020-05-27 12:53:35
104.194.8.7 attackspam
Automatic report - Banned IP Access
2020-05-27 13:05:11
193.112.160.203 attackbots
May 27 05:58:33 cdc sshd[14674]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.160.203  user=root
May 27 05:58:35 cdc sshd[14674]: Failed password for invalid user root from 193.112.160.203 port 41836 ssh2
2020-05-27 13:16:38
131.161.205.117 attack
Unauthorised access (May 27) SRC=131.161.205.117 LEN=52 TTL=115 ID=6500 DF TCP DPT=445 WINDOW=8192 SYN
2020-05-27 13:11:46
218.75.156.247 attack
May 27 05:47:34 h2779839 sshd[31738]: Invalid user christine2 from 218.75.156.247 port 36549
May 27 05:47:34 h2779839 sshd[31738]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.75.156.247
May 27 05:47:34 h2779839 sshd[31738]: Invalid user christine2 from 218.75.156.247 port 36549
May 27 05:47:36 h2779839 sshd[31738]: Failed password for invalid user christine2 from 218.75.156.247 port 36549 ssh2
May 27 05:52:26 h2779839 sshd[3751]: Invalid user shera from 218.75.156.247 port 60658
May 27 05:52:26 h2779839 sshd[3751]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.75.156.247
May 27 05:52:26 h2779839 sshd[3751]: Invalid user shera from 218.75.156.247 port 60658
May 27 05:52:28 h2779839 sshd[3751]: Failed password for invalid user shera from 218.75.156.247 port 60658 ssh2
May 27 05:57:19 h2779839 sshd[4406]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.
...
2020-05-27 12:50:52
206.189.211.146 attackbotsspam
May 26 23:49:11 mx sshd[10477]: Failed password for root from 206.189.211.146 port 53028 ssh2
2020-05-27 13:00:45
106.13.90.133 attackspambots
5x Failed Password
2020-05-27 13:18:42
36.82.97.72 attackbots
20/5/27@00:23:27: FAIL: Alarm-Network address from=36.82.97.72
20/5/27@00:23:27: FAIL: Alarm-Network address from=36.82.97.72
...
2020-05-27 13:15:41
186.4.182.75 attackspambots
May 27 06:28:47 vps sshd[542872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=host-186-4-182-75.netlife.ec  user=root
May 27 06:28:49 vps sshd[542872]: Failed password for root from 186.4.182.75 port 31227 ssh2
May 27 06:34:09 vps sshd[566075]: Invalid user Cisco from 186.4.182.75 port 23788
May 27 06:34:09 vps sshd[566075]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=host-186-4-182-75.netlife.ec
May 27 06:34:11 vps sshd[566075]: Failed password for invalid user Cisco from 186.4.182.75 port 23788 ssh2
...
2020-05-27 12:56:23

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