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: China

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 <<>> 39.164.8.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43104
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;39.164.8.21.			IN	A

;; AUTHORITY SECTION:
.			569	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022020700 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 07 23:44:31 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 21.8.164.39.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.8.164.39.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.246.41.144 attack
Jan 31 00:08:38 srv01 sshd[9264]: Invalid user git from 46.246.41.144 port 36175
Jan 31 00:08:38 srv01 sshd[9264]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.246.41.144
Jan 31 00:08:38 srv01 sshd[9264]: Invalid user git from 46.246.41.144 port 36175
Jan 31 00:08:39 srv01 sshd[9264]: Failed password for invalid user git from 46.246.41.144 port 36175 ssh2
Jan 31 00:08:38 srv01 sshd[9264]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.246.41.144
Jan 31 00:08:38 srv01 sshd[9264]: Invalid user git from 46.246.41.144 port 36175
Jan 31 00:08:39 srv01 sshd[9264]: Failed password for invalid user git from 46.246.41.144 port 36175 ssh2
...
2020-01-31 07:13:17
196.245.239.211 attackspam
Hacking activity
2020-01-31 07:16:29
94.23.145.124 attackbotsspam
Jan 31 04:37:58 lcl-usvr-01 sshd[28958]: refused connect from 94.23.145.124 (94.23.145.124)
2020-01-31 07:37:21
67.227.152.142 attack
Unauthorized connection attempt detected from IP address 67.227.152.142 to port 8545 [J]
2020-01-31 07:18:22
185.176.27.30 attackbotsspam
01/31/2020-00:14:41.067601 185.176.27.30 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-01-31 07:47:16
218.92.0.172 attackspam
Jan 31 00:19:26 tuxlinux sshd[29406]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.172  user=root
...
2020-01-31 07:27:01
45.143.223.56 attack
SMTP relay attempt (from=, to=)
2020-01-31 07:50:17
49.235.107.14 attackbotsspam
Invalid user unity from 49.235.107.14 port 35768
2020-01-31 07:07:30
163.44.207.210 attack
2020-01-30 22:38:07 H=(163-44-207-210.openstacklocal) [163.44.207.210] sender verify fail for : Unrouteable address
2020-01-30 22:38:07 H=(163-44-207-210.openstacklocal) [163.44.207.210] F= rejected RCPT : Sender verify failed
...
2020-01-31 07:28:52
49.193.41.186 attackspambots
Honeypot attack, port: 5555, PTR: PTR record not found
2020-01-31 07:41:01
221.127.5.246 attack
Honeypot attack, port: 5555, PTR: PTR record not found
2020-01-31 07:25:51
112.85.42.181 attackspambots
SSH bruteforce (Triggered fail2ban)
2020-01-31 07:46:20
49.82.229.198 attackspam
Jan 30 22:38:14 grey postfix/smtpd\[18980\]: NOQUEUE: reject: RCPT from unknown\[49.82.229.198\]: 554 5.7.1 Service unavailable\; Client host \[49.82.229.198\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[49.82.229.198\]\; from=\ to=\ proto=ESMTP helo=\
...
2020-01-31 07:24:09
106.12.171.17 attackbotsspam
Invalid user kay from 106.12.171.17 port 45012
2020-01-31 07:36:59
111.95.141.34 attackbots
Jan 30 13:19:11 eddieflores sshd\[15287\]: Invalid user jalakantha from 111.95.141.34
Jan 30 13:19:11 eddieflores sshd\[15287\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.95.141.34
Jan 30 13:19:13 eddieflores sshd\[15287\]: Failed password for invalid user jalakantha from 111.95.141.34 port 51403 ssh2
Jan 30 13:22:52 eddieflores sshd\[15714\]: Invalid user taanusiya123 from 111.95.141.34
Jan 30 13:22:52 eddieflores sshd\[15714\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.95.141.34
2020-01-31 07:26:10

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