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: unknown

Region: unknown

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 <<>> 42.21.42.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13879
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.21.42.66.			IN	A

;; AUTHORITY SECTION:
.			100	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023101602 1800 900 604800 86400

;; Query time: 28 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Oct 17 04:55:25 CST 2023
;; MSG SIZE  rcvd: 104
Host info
Host 66.42.21.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.42.21.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.30.31 attackbotsspam
Jan 22 22:05:28 plusreed sshd[20452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.31  user=root
Jan 22 22:05:30 plusreed sshd[20452]: Failed password for root from 222.186.30.31 port 34348 ssh2
...
2020-01-23 11:09:39
137.74.193.225 attackbots
Jan 22 21:32:01 admin sshd[16515]: Invalid user test from 137.74.193.225 port 40062
Jan 22 21:32:01 admin sshd[16515]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.193.225
Jan 22 21:32:02 admin sshd[16515]: Failed password for invalid user test from 137.74.193.225 port 40062 ssh2
Jan 22 21:32:02 admin sshd[16515]: Received disconnect from 137.74.193.225 port 40062:11: Bye Bye [preauth]
Jan 22 21:32:02 admin sshd[16515]: Disconnected from 137.74.193.225 port 40062 [preauth]
Jan 22 21:42:43 admin sshd[16956]: Invalid user duan from 137.74.193.225 port 53042
Jan 22 21:42:43 admin sshd[16956]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.193.225
Jan 22 21:42:45 admin sshd[16956]: Failed password for invalid user duan from 137.74.193.225 port 53042 ssh2
Jan 22 21:42:45 admin sshd[16956]: Received disconnect from 137.74.193.225 port 53042:11: Bye Bye [preauth]
Jan 22 21:42:45 a........
-------------------------------
2020-01-23 11:04:17
196.203.31.154 attack
Invalid user postgres from 196.203.31.154 port 52377
2020-01-23 10:39:25
222.186.31.135 attackspam
Jan 23 04:10:23 MK-Soft-VM4 sshd[13757]: Failed password for root from 222.186.31.135 port 23930 ssh2
Jan 23 04:10:26 MK-Soft-VM4 sshd[13757]: Failed password for root from 222.186.31.135 port 23930 ssh2
...
2020-01-23 11:12:50
94.158.83.31 attack
Jan 22 16:06:23 mockhub sshd[15029]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.158.83.31
Jan 22 16:06:25 mockhub sshd[15029]: Failed password for invalid user remoto from 94.158.83.31 port 39442 ssh2
...
2020-01-23 11:05:11
122.166.227.27 attackspam
Jan 23 03:02:29 ns382633 sshd\[9703\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.166.227.27  user=root
Jan 23 03:02:31 ns382633 sshd\[9703\]: Failed password for root from 122.166.227.27 port 50262 ssh2
Jan 23 03:05:20 ns382633 sshd\[10681\]: Invalid user hotline from 122.166.227.27 port 38544
Jan 23 03:05:20 ns382633 sshd\[10681\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.166.227.27
Jan 23 03:05:22 ns382633 sshd\[10681\]: Failed password for invalid user hotline from 122.166.227.27 port 38544 ssh2
2020-01-23 10:51:19
139.155.1.252 attack
Unauthorized connection attempt detected from IP address 139.155.1.252 to port 2220 [J]
2020-01-23 11:06:32
18.236.109.177 attackspambots
from hesport.com (ec2-18-236-109-177.us-west-2.compute.amazonaws.com [18.236.109.177]) by cauvin.org with ESMTP ; Wed, 22 Jan 2020 17:47:13 -0600
2020-01-23 11:00:37
170.210.136.56 attackspam
$f2bV_matches
2020-01-23 10:33:46
222.186.31.166 attackspambots
Unauthorized connection attempt detected from IP address 222.186.31.166 to port 22 [T]
2020-01-23 10:41:13
51.38.80.173 attackbotsspam
Unauthorized connection attempt detected from IP address 51.38.80.173 to port 2220 [J]
2020-01-23 11:16:46
123.113.185.28 attack
$f2bV_matches
2020-01-23 10:37:09
222.186.52.139 attackspam
Unauthorized connection attempt detected from IP address 222.186.52.139 to port 22 [J]
2020-01-23 11:17:06
165.22.103.237 attackspambots
Unauthorized connection attempt detected from IP address 165.22.103.237 to port 2220 [J]
2020-01-23 11:11:43
106.13.204.195 attackspam
Jan 22 23:12:01 firewall sshd[957]: Failed password for invalid user toor from 106.13.204.195 port 33748 ssh2
Jan 22 23:19:51 firewall sshd[1146]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.204.195  user=root
Jan 22 23:19:53 firewall sshd[1146]: Failed password for root from 106.13.204.195 port 60820 ssh2
...
2020-01-23 10:43:48

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