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: Buk-gu

Region: Daegu Metropolitan 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:
IP Type Details Datetime
221.157.208.119 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2020-04-27 20:46:10
221.157.222.214 attackspambots
Honeypot attack, port: 81, PTR: PTR record not found
2020-03-23 05:25:42
221.157.214.239 attackspambots
Feb 16 07:13:34 auw2 sshd\[18447\]: Invalid user linux123456 from 221.157.214.239
Feb 16 07:13:34 auw2 sshd\[18447\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.157.214.239
Feb 16 07:13:36 auw2 sshd\[18447\]: Failed password for invalid user linux123456 from 221.157.214.239 port 47520 ssh2
Feb 16 07:22:52 auw2 sshd\[19295\]: Invalid user soraya from 221.157.214.239
Feb 16 07:22:52 auw2 sshd\[19295\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.157.214.239
2020-02-17 05:07:00
221.157.203.236 attackspambots
Unauthorized connection attempt detected from IP address 221.157.203.236 to port 80 [J]
2020-01-28 23:04:22
221.157.203.236 attackspam
Unauthorized connection attempt detected from IP address 221.157.203.236 to port 80 [J]
2020-01-26 13:11:46
221.157.203.236 attack
Unauthorized connection attempt detected from IP address 221.157.203.236 to port 80 [J]
2020-01-23 13:53:27
221.157.214.239 attack
Unauthorized connection attempt detected from IP address 221.157.214.239 to port 2220 [J]
2020-01-22 20:58:52
221.157.208.119 attackbotsspam
Unauthorized connection attempt detected from IP address 221.157.208.119 to port 5555 [J]
2020-01-17 16:49:36
221.157.203.236 attack
Honeypot attack, port: 23, PTR: PTR record not found
2019-12-22 13:08:28
221.157.214.239 attackbotsspam
Aug 21 18:24:57 rpi sshd[386]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.157.214.239 
Aug 21 18:24:59 rpi sshd[386]: Failed password for invalid user 587 from 221.157.214.239 port 52758 ssh2
2019-08-22 00:58:34
221.157.214.239 attack
WordPress wp-login brute force :: 221.157.214.239 0.176 BYPASS [13/Aug/2019:08:09:59  1000] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-08-13 07:55:41
Whois info:
query : 221.157.2.151


# KOREAN(UTF8)

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

[ 네트워크 할당 정보 ]
IPv4주소           : 221.144.0.0 - 221.159.255.255 (/12)
기관명             : 주식회사 케이티
서비스명           : KORNET
주소               : 경기도 성남시 분당구 불정로 90
우편번호           : 13606
할당일자           : 20030418

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           : 221.157.2.0 - 221.157.2.255 (/24)
기관명             : (주) 케이티
네트워크 구분      : CUSTOMER
주소               : 경상북도 칠곡군 왜관읍
우편번호           : 718800
할당내역 등록일    : 20150924

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       : 221.144.0.0 - 221.159.255.255 (/12)
Organization Name  : Korea Telecom
Service Name       : KORNET
Address            : Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
Zip Code           : 13606
Registration Date  : 20030418

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       : 221.157.2.0 - 221.157.2.255 (/24)
Organization Name  : KT
Network Type       : CUSTOMER
Address            : Waegwan-Eup Chilgok-Gun Gyeongsangbuk-Do
Zip Code           : 718800
Registration Date  : 20150924

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 <<>> 221.157.2.151
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57233
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;221.157.2.151.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026033000 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 30 19:23:02 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 151.2.157.221.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 151.2.157.221.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
5.239.244.236 attack
Dec 25 09:51:09 TORMINT sshd\[26501\]: Invalid user rpc from 5.239.244.236
Dec 25 09:51:09 TORMINT sshd\[26501\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.239.244.236
Dec 25 09:51:11 TORMINT sshd\[26501\]: Failed password for invalid user rpc from 5.239.244.236 port 57698 ssh2
...
2019-12-26 03:12:17
175.184.166.14 attackspam
HTTP/80/443 Probe, BF, WP, Hack -
2019-12-26 03:19:34
103.219.112.48 attackspam
Dec 25 16:24:44 cvbnet sshd[25074]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.219.112.48 
Dec 25 16:24:46 cvbnet sshd[25074]: Failed password for invalid user web from 103.219.112.48 port 50520 ssh2
...
2019-12-26 02:59:35
183.83.75.225 attackspambots
Unauthorised access (Dec 25) SRC=183.83.75.225 LEN=52 TTL=114 ID=565 DF TCP DPT=445 WINDOW=8192 SYN
2019-12-26 02:44:49
51.68.11.223 attackbots
Dec2515:25:02server4pure-ftpd:\(\?@148.72.232.25\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:03:50server4pure-ftpd:\(\?@88.99.61.123\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:51:17server4pure-ftpd:\(\?@94.247.179.149\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:51:18server4pure-ftpd:\(\?@51.68.11.223\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:07:49server4pure-ftpd:\(\?@68.183.131.166\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:12:21server4pure-ftpd:\(\?@94.247.179.149\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:19:03server4pure-ftpd:\(\?@159.65.150.235\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:25:08server4pure-ftpd:\(\?@148.72.232.25\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:25:09server4pure-ftpd:\(\?@160.153.157.137\)[WARNING]Authenticationfailedforuser[ftp]Dec2515:19:08server4pure-ftpd:\(\?@159.65.150.235\)[WARNING]Authenticationfailedforuser[ftp]IPAddressesBlocked:148.72.232.25\(US/UnitedStates/sg2plcpnl0156.prod.sin2.secureserver.net\)88.99.61.123\(DE/
2019-12-26 03:04:13
192.99.15.15 attackbots
$f2bV_matches
2019-12-26 02:58:19
89.231.29.232 attackbots
Dec 25 16:50:55 amit sshd\[13676\]: Invalid user carver from 89.231.29.232
Dec 25 16:50:55 amit sshd\[13676\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.231.29.232
Dec 25 16:50:58 amit sshd\[13676\]: Failed password for invalid user carver from 89.231.29.232 port 6980 ssh2
...
2019-12-26 02:54:37
190.187.104.146 attackspam
Dec 25 09:06:56 php1 sshd\[11538\]: Invalid user ibmpc from 190.187.104.146
Dec 25 09:06:56 php1 sshd\[11538\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.187.104.146
Dec 25 09:06:58 php1 sshd\[11538\]: Failed password for invalid user ibmpc from 190.187.104.146 port 39996 ssh2
Dec 25 09:11:25 php1 sshd\[12049\]: Invalid user mailer from 190.187.104.146
Dec 25 09:11:25 php1 sshd\[12049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.187.104.146
2019-12-26 03:13:49
181.129.169.50 attackspam
Unauthorized connection attempt detected from IP address 181.129.169.50 to port 23
2019-12-26 03:14:22
178.128.216.127 attackbotsspam
Dec 25 15:48:28 lnxded64 sshd[7873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.216.127
Dec 25 15:48:30 lnxded64 sshd[7873]: Failed password for invalid user user from 178.128.216.127 port 37396 ssh2
Dec 25 15:51:44 lnxded64 sshd[8705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.216.127
2019-12-26 02:44:34
106.12.33.50 attack
Dec 25 18:57:45 raspberrypi sshd\[29463\]: Invalid user ellinore from 106.12.33.50Dec 25 18:57:48 raspberrypi sshd\[29463\]: Failed password for invalid user ellinore from 106.12.33.50 port 51032 ssh2Dec 25 19:06:07 raspberrypi sshd\[29931\]: Invalid user duerbeck from 106.12.33.50
...
2019-12-26 03:07:43
103.138.41.74 attack
SSH/22 MH Probe, BF, Hack -
2019-12-26 03:15:29
116.239.254.188 attackspam
SASL broute force
2019-12-26 03:00:36
91.104.226.239 attackspambots
Lines containing failures of 91.104.226.239
Dec 25 18:55:12 shared12 sshd[6099]: Invalid user mother from 91.104.226.239 port 54365
Dec 25 18:55:12 shared12 sshd[6099]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.104.226.239
Dec 25 18:55:14 shared12 sshd[6099]: Failed password for invalid user mother from 91.104.226.239 port 54365 ssh2
Dec 25 18:55:15 shared12 sshd[6099]: Connection closed by invalid user mother 91.104.226.239 port 54365 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=91.104.226.239
2019-12-26 02:45:57
179.62.49.66 attackbotsspam
Dec 25 17:32:40 srv206 sshd[26879]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.62.49.66  user=root
Dec 25 17:32:42 srv206 sshd[26879]: Failed password for root from 179.62.49.66 port 36022 ssh2
...
2019-12-26 02:55:04

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