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: Republic of China (ROC)

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 <<>> 163.21.82.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38841
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;163.21.82.138.			IN	A

;; AUTHORITY SECTION:
.			237	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022052900 1800 900 604800 86400

;; Query time: 72 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun May 29 14:00:27 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 138.82.21.163.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 138.82.21.163.in-addr.arpa: SERVFAIL

Related IP info:
Related comments:
IP Type Details Datetime
88.214.26.171 attackbots
Aug 15 23:22:41 srv-4 sshd\[11584\]: Invalid user admin from 88.214.26.171
Aug 15 23:22:41 srv-4 sshd\[11584\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.214.26.171
Aug 15 23:22:41 srv-4 sshd\[11585\]: Invalid user admin from 88.214.26.171
Aug 15 23:22:41 srv-4 sshd\[11585\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.214.26.171
...
2019-08-16 06:55:47
199.195.249.6 attackbotsspam
Repeated brute force against a port
2019-08-16 06:44:05
120.14.164.90 attackspambots
23/tcp
[2019-08-15]1pkt
2019-08-16 07:05:00
141.98.9.42 attackbotsspam
Aug 16 00:50:31 relay postfix/smtpd\[12384\]: warning: unknown\[141.98.9.42\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 00:50:53 relay postfix/smtpd\[10408\]: warning: unknown\[141.98.9.42\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 00:51:31 relay postfix/smtpd\[12384\]: warning: unknown\[141.98.9.42\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 00:51:55 relay postfix/smtpd\[5360\]: warning: unknown\[141.98.9.42\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 00:52:32 relay postfix/smtpd\[21952\]: warning: unknown\[141.98.9.42\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-08-16 07:08:19
61.161.237.38 attack
Aug 15 11:16:31 wbs sshd\[6599\]: Invalid user ice from 61.161.237.38
Aug 15 11:16:31 wbs sshd\[6599\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.161.237.38
Aug 15 11:16:33 wbs sshd\[6599\]: Failed password for invalid user ice from 61.161.237.38 port 40454 ssh2
Aug 15 11:19:33 wbs sshd\[6856\]: Invalid user itk from 61.161.237.38
Aug 15 11:19:33 wbs sshd\[6856\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.161.237.38
2019-08-16 06:52:15
82.240.11.249 attackspambots
SSH Brute Force
2019-08-16 06:51:58
175.212.62.83 attack
Aug 15 22:50:27 hcbbdb sshd\[29690\]: Invalid user webmaster from 175.212.62.83
Aug 15 22:50:27 hcbbdb sshd\[29690\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.212.62.83
Aug 15 22:50:28 hcbbdb sshd\[29690\]: Failed password for invalid user webmaster from 175.212.62.83 port 57280 ssh2
Aug 15 22:55:44 hcbbdb sshd\[30275\]: Invalid user user002 from 175.212.62.83
Aug 15 22:55:44 hcbbdb sshd\[30275\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.212.62.83
2019-08-16 06:59:14
192.162.237.36 attack
Aug 15 23:32:13 yabzik sshd[2194]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.162.237.36
Aug 15 23:32:16 yabzik sshd[2194]: Failed password for invalid user jiao123 from 192.162.237.36 port 41162 ssh2
Aug 15 23:36:53 yabzik sshd[4566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.162.237.36
2019-08-16 07:19:55
36.111.171.108 attack
Aug 15 18:26:30 rb06 sshd[7714]: Failed password for invalid user ales from 36.111.171.108 port 43580 ssh2
Aug 15 18:26:30 rb06 sshd[7714]: Received disconnect from 36.111.171.108: 11: Bye Bye [preauth]
Aug 15 18:46:41 rb06 sshd[17559]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.111.171.108  user=r.r
Aug 15 18:46:43 rb06 sshd[17559]: Failed password for r.r from 36.111.171.108 port 50220 ssh2
Aug 15 18:46:43 rb06 sshd[17559]: Received disconnect from 36.111.171.108: 11: Bye Bye [preauth]
Aug 15 18:52:44 rb06 sshd[22368]: Failed password for invalid user ems from 36.111.171.108 port 36350 ssh2
Aug 15 18:52:44 rb06 sshd[22368]: Received disconnect from 36.111.171.108: 11: Bye Bye [preauth]
Aug 15 18:58:37 rb06 sshd[26782]: Failed password for invalid user papoose from 36.111.171.108 port 50706 ssh2
Aug 15 18:58:37 rb06 sshd[26782]: Received disconnect from 36.111.171.108: 11: Bye Bye [preauth]
Aug 15 19:04:23 rb06 sshd[31950........
-------------------------------
2019-08-16 07:15:32
45.236.188.4 attackspam
Aug 16 00:29:56 root sshd[9425]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.236.188.4 
Aug 16 00:29:58 root sshd[9425]: Failed password for invalid user Adm from 45.236.188.4 port 49218 ssh2
Aug 16 00:35:15 root sshd[9479]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.236.188.4 
...
2019-08-16 07:07:25
181.62.255.67 attackbots
445/tcp 445/tcp 445/tcp
[2019-08-15]3pkt
2019-08-16 07:08:36
144.21.105.112 attackspam
ssh intrusion attempt
2019-08-16 07:17:51
87.254.135.96 attackspam
23/tcp
[2019-08-15]1pkt
2019-08-16 07:00:38
92.118.160.45 attackspam
Unauthorised access (Aug 16) SRC=92.118.160.45 LEN=44 TTL=243 ID=65022 TCP DPT=139 WINDOW=1024 SYN
2019-08-16 07:21:59
176.122.9.102 attack
445/tcp
[2019-08-15]1pkt
2019-08-16 07:18:41

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