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
163.172.106.114 attack
Jul 20 13:43:35 localhost sshd\[5190\]: Invalid user ftpuser from 163.172.106.114 port 39048
Jul 20 13:43:35 localhost sshd\[5190\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.106.114
Jul 20 13:43:37 localhost sshd\[5190\]: Failed password for invalid user ftpuser from 163.172.106.114 port 39048 ssh2
2019-07-20 20:02:27
156.212.253.178 attack
Jul 20 14:43:43 srv-4 sshd\[18061\]: Invalid user admin from 156.212.253.178
Jul 20 14:43:43 srv-4 sshd\[18061\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.212.253.178
Jul 20 14:43:46 srv-4 sshd\[18061\]: Failed password for invalid user admin from 156.212.253.178 port 50905 ssh2
...
2019-07-20 19:56:19
117.223.153.237 attackbots
Jul 20 13:36:55 v22019058497090703 sshd[7135]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.223.153.237
Jul 20 13:36:57 v22019058497090703 sshd[7135]: Failed password for invalid user dcadmin from 117.223.153.237 port 38894 ssh2
Jul 20 13:43:02 v22019058497090703 sshd[7626]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.223.153.237
...
2019-07-20 20:12:32
162.243.144.104 attackspambots
23127/tcp 8090/tcp 2380/tcp...
[2019-05-21/07-20]48pkt,41pt.(tcp),2pt.(udp)
2019-07-20 20:28:57
62.220.172.32 attackspam
8080/tcp 2323/tcp 23/tcp...
[2019-06-12/07-20]4pkt,3pt.(tcp)
2019-07-20 20:06:27
185.19.214.68 attackspam
SPF Fail sender not permitted to send mail for @lithosplus.it
2019-07-20 19:54:51
145.102.6.86 attackbots
Port scan on 1 port(s): 53
2019-07-20 20:15:02
41.128.178.58 attackspambots
445/tcp 445/tcp 445/tcp...
[2019-06-14/07-20]6pkt,1pt.(tcp)
2019-07-20 19:56:45
192.241.230.96 attack
37030/tcp 194/tcp 995/tcp...
[2019-05-21/07-20]49pkt,40pt.(tcp),5pt.(udp)
2019-07-20 20:31:04
192.99.245.135 attackbots
2019-07-20T11:46:24.945491abusebot-5.cloudsearch.cf sshd\[16275\]: Invalid user zj from 192.99.245.135 port 53394
2019-07-20 19:48:21
112.186.77.74 attackspam
Jul 20 09:41:01 tuxlinux sshd[25047]: Invalid user koha from 112.186.77.74 port 35628
Jul 20 09:41:01 tuxlinux sshd[25047]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.186.77.74 
Jul 20 09:41:01 tuxlinux sshd[25047]: Invalid user koha from 112.186.77.74 port 35628
Jul 20 09:41:01 tuxlinux sshd[25047]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.186.77.74 
Jul 20 09:41:01 tuxlinux sshd[25047]: Invalid user koha from 112.186.77.74 port 35628
Jul 20 09:41:01 tuxlinux sshd[25047]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.186.77.74 
Jul 20 09:41:03 tuxlinux sshd[25047]: Failed password for invalid user koha from 112.186.77.74 port 35628 ssh2
...
2019-07-20 19:42:32
125.65.46.240 attackbotsspam
3306/tcp 8888/tcp 22/tcp...
[2019-06-21/07-20]7pkt,4pt.(tcp)
2019-07-20 20:08:29
206.189.73.71 attackspam
Reported by AbuseIPDB proxy server.
2019-07-20 19:44:07
113.172.169.234 attack
Jul 20 14:43:50 srv-4 sshd\[18071\]: Invalid user admin from 113.172.169.234
Jul 20 14:43:50 srv-4 sshd\[18071\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.172.169.234
Jul 20 14:43:53 srv-4 sshd\[18071\]: Failed password for invalid user admin from 113.172.169.234 port 47802 ssh2
...
2019-07-20 19:49:12
185.220.100.253 attackspambots
Jul 20 13:43:14 km20725 sshd\[26408\]: Failed password for root from 185.220.100.253 port 21230 ssh2Jul 20 13:43:17 km20725 sshd\[26408\]: Failed password for root from 185.220.100.253 port 21230 ssh2Jul 20 13:43:19 km20725 sshd\[26408\]: Failed password for root from 185.220.100.253 port 21230 ssh2Jul 20 13:43:22 km20725 sshd\[26408\]: Failed password for root from 185.220.100.253 port 21230 ssh2
...
2019-07-20 20:12:05

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