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: Yuseong-gu

Region: Daejeon 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:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 175.204.42.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16884
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;175.204.42.21.			IN	A

;; AUTHORITY SECTION:
.			377	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023052301 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed May 24 13:08:19 CST 2023
;; MSG SIZE  rcvd: 106
Host info
Host 21.42.204.175.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.42.204.175.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
165.49.27.24 attackspam
Honeypot attack, port: 81, PTR: PTR record not found
2020-01-04 23:00:09
180.243.210.247 attackspambots
1578143665 - 01/04/2020 14:14:25 Host: 180.243.210.247/180.243.210.247 Port: 445 TCP Blocked
2020-01-04 22:46:21
68.174.76.210 attackspambots
Unauthorized connection attempt detected from IP address 68.174.76.210 to port 8080 [J]
2020-01-04 23:07:54
82.2.92.218 attack
Unauthorized connection attempt detected from IP address 82.2.92.218 to port 23 [J]
2020-01-04 22:42:51
222.186.175.167 attackspambots
Jan  4 15:42:04 dedicated sshd[21878]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.167  user=root
Jan  4 15:42:06 dedicated sshd[21878]: Failed password for root from 222.186.175.167 port 26330 ssh2
2020-01-04 22:44:43
2001:1c03:400f:e200:e5b2:fc1b:eb7:2416 attack
C1,WP GET /wp-login.php
2020-01-04 22:57:27
106.12.118.30 attackspambots
Jan  4 17:34:19 server sshd\[25094\]: Invalid user sshuser from 106.12.118.30
Jan  4 17:34:19 server sshd\[25094\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.118.30 
Jan  4 17:34:21 server sshd\[25094\]: Failed password for invalid user sshuser from 106.12.118.30 port 41948 ssh2
Jan  4 18:06:15 server sshd\[32643\]: Invalid user gp from 106.12.118.30
Jan  4 18:06:15 server sshd\[32643\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.118.30 
...
2020-01-04 23:14:19
106.3.135.27 attackbots
Jan  4 15:26:55 meumeu sshd[7589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.3.135.27 
Jan  4 15:26:57 meumeu sshd[7589]: Failed password for invalid user administrator from 106.3.135.27 port 57431 ssh2
Jan  4 15:28:50 meumeu sshd[7826]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.3.135.27 
...
2020-01-04 22:49:16
84.1.30.70 attack
Jan  4 11:15:15 vps46666688 sshd[27870]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=84.1.30.70
Jan  4 11:15:17 vps46666688 sshd[27870]: Failed password for invalid user tf2 from 84.1.30.70 port 41956 ssh2
...
2020-01-04 22:51:36
221.202.17.91 attackbotsspam
Honeypot attack, port: 23, PTR: PTR record not found
2020-01-04 23:24:14
115.254.63.52 attackbots
Jan  4 15:36:58 dedicated sshd[21038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.254.63.52 
Jan  4 15:36:58 dedicated sshd[21038]: Invalid user postgres from 115.254.63.52 port 38678
Jan  4 15:37:00 dedicated sshd[21038]: Failed password for invalid user postgres from 115.254.63.52 port 38678 ssh2
Jan  4 15:41:31 dedicated sshd[21780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.254.63.52  user=root
Jan  4 15:41:32 dedicated sshd[21780]: Failed password for root from 115.254.63.52 port 51047 ssh2
2020-01-04 23:04:10
182.61.170.251 attack
Jan  4 15:14:02 srv01 sshd[24389]: Invalid user il from 182.61.170.251 port 55598
Jan  4 15:14:02 srv01 sshd[24389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.170.251
Jan  4 15:14:02 srv01 sshd[24389]: Invalid user il from 182.61.170.251 port 55598
Jan  4 15:14:04 srv01 sshd[24389]: Failed password for invalid user il from 182.61.170.251 port 55598 ssh2
Jan  4 15:17:12 srv01 sshd[24617]: Invalid user test from 182.61.170.251 port 57078
...
2020-01-04 23:03:44
221.179.126.194 attack
Honeypot attack, port: 23, PTR: PTR record not found
2020-01-04 22:52:57
117.66.243.77 attackbotsspam
Jan  4 11:18:17 vps46666688 sshd[28095]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.66.243.77
Jan  4 11:18:19 vps46666688 sshd[28095]: Failed password for invalid user deployer from 117.66.243.77 port 48053 ssh2
...
2020-01-04 22:45:58
59.88.153.87 attackspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-01-04 23:26:32

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