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: United States of America (the)

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 <<>> 4.21.75.164
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18779
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;4.21.75.164.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012901 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jan 30 04:54:34 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 164.75.21.4.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
server can't find 4.21.75.164.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
120.136.160.162 attack
$f2bV_matches
2019-12-18 21:12:36
121.1.235.61 attackbotsspam
3389BruteforceFW21
2019-12-18 21:20:48
54.36.183.242 attackspam
Dec 18 13:45:15 ns381471 sshd[31414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.36.183.242
Dec 18 13:45:17 ns381471 sshd[31414]: Failed password for invalid user test from 54.36.183.242 port 50690 ssh2
2019-12-18 21:37:14
49.234.201.90 attackspambots
Nov 21 21:13:07 microserver sshd[15807]: Invalid user ntps from 49.234.201.90 port 50162
Nov 21 21:13:07 microserver sshd[15807]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.201.90
Nov 21 21:13:10 microserver sshd[15807]: Failed password for invalid user ntps from 49.234.201.90 port 50162 ssh2
Nov 21 21:21:33 microserver sshd[17031]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.201.90  user=root
Nov 21 21:21:35 microserver sshd[17031]: Failed password for root from 49.234.201.90 port 36920 ssh2
Dec 18 09:57:55 microserver sshd[37691]: Invalid user misc from 49.234.201.90 port 60158
Dec 18 09:57:55 microserver sshd[37691]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.201.90
Dec 18 09:57:57 microserver sshd[37691]: Failed password for invalid user misc from 49.234.201.90 port 60158 ssh2
Dec 18 10:05:04 microserver sshd[38700]: pam_unix(sshd:auth): authentication
2019-12-18 21:15:39
181.191.107.69 attackspam
Honeypot attack, port: 23, PTR: 69.0.104.191.181.t2web.com.br.
2019-12-18 21:23:57
131.0.8.49 attackbotsspam
Invalid user asterisk from 131.0.8.49 port 47147
2019-12-18 21:26:23
45.32.38.173 attackspam
Host Scan
2019-12-18 21:21:50
82.237.6.67 attackspambots
Invalid user ada from 82.237.6.67 port 53156
2019-12-18 21:29:22
209.235.67.48 attackspam
Invalid user asia from 209.235.67.48 port 43327
2019-12-18 21:32:08
5.89.64.166 attackspam
Dec 18 08:30:59 ny01 sshd[6308]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.89.64.166
Dec 18 08:31:01 ny01 sshd[6308]: Failed password for invalid user hassa from 5.89.64.166 port 36593 ssh2
Dec 18 08:39:38 ny01 sshd[7180]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.89.64.166
2019-12-18 21:43:50
42.114.23.1 attack
1576650223 - 12/18/2019 07:23:43 Host: 42.114.23.1/42.114.23.1 Port: 445 TCP Blocked
2019-12-18 21:30:02
185.17.128.78 attackspam
[portscan] Port scan
2019-12-18 21:30:56
27.131.178.119 attackspambots
Unauthorized connection attempt detected from IP address 27.131.178.119 to port 1433
2019-12-18 21:16:38
141.98.80.124 attackbots
Dec 18 12:16:10 mail postfix/smtpd[316]: warning: unknown[141.98.80.124]: SASL PLAIN authentication failed: 
Dec 18 12:16:11 mail postfix/smtpd[317]: warning: unknown[141.98.80.124]: SASL PLAIN authentication failed: 
Dec 18 12:16:11 mail postfix/smtpd[1389]: warning: unknown[141.98.80.124]: SASL PLAIN authentication failed: 
Dec 18 12:16:11 mail postfix/smtpd[27335]: warning: unknown[141.98.80.124]: SASL PLAIN authentication failed: 
Dec 18 12:16:11 mail postfix/smtpd[27667]: warning: unknown[141.98.80.124]: SASL PLAIN authentication failed: 
Dec 18 12:16:11 mail postfix/smtpd[322]: warning: unknown[141.98.80.124]: SASL PLAIN authentication failed:
2019-12-18 21:32:41
120.253.127.10 attackspam
Automatic report - Port Scan
2019-12-18 21:09:56

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