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: Taiwan (Province of 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 <<>> 163.21.81.120
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8604
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;163.21.81.120.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012801 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 29 02:31:28 CST 2025
;; MSG SIZE  rcvd: 106
Host info
120.81.21.163.in-addr.arpa domain name pointer dhcp120.bait.sju.edu.tw.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
120.81.21.163.in-addr.arpa	name = dhcp120.bait.sju.edu.tw.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
223.171.46.146 attackbots
Nov 14 17:48:16 [host] sshd[26784]: Invalid user 123456 from 223.171.46.146
Nov 14 17:48:16 [host] sshd[26784]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.171.46.146
Nov 14 17:48:19 [host] sshd[26784]: Failed password for invalid user 123456 from 223.171.46.146 port 50712 ssh2
2019-11-15 04:58:08
51.79.70.223 attack
Invalid user 123 from 51.79.70.223 port 53660
2019-11-15 04:49:14
185.43.209.96 attackspam
Nov 14 21:32:19 andromeda postfix/smtpd\[25194\]: warning: unknown\[185.43.209.96\]: SASL LOGIN authentication failed: authentication failure
Nov 14 21:32:19 andromeda postfix/smtpd\[25194\]: warning: unknown\[185.43.209.96\]: SASL LOGIN authentication failed: authentication failure
Nov 14 21:32:20 andromeda postfix/smtpd\[25194\]: warning: unknown\[185.43.209.96\]: SASL LOGIN authentication failed: authentication failure
Nov 14 21:32:20 andromeda postfix/smtpd\[25194\]: warning: unknown\[185.43.209.96\]: SASL LOGIN authentication failed: authentication failure
Nov 14 21:32:20 andromeda postfix/smtpd\[25194\]: warning: unknown\[185.43.209.96\]: SASL LOGIN authentication failed: authentication failure
2019-11-15 05:12:31
91.23.33.175 attackbotsspam
Invalid user ts6 from 91.23.33.175 port 43555
2019-11-15 04:47:37
106.12.22.146 attack
2019-11-14T17:12:42.611286abusebot-4.cloudsearch.cf sshd\[3709\]: Invalid user test from 106.12.22.146 port 50350
2019-11-15 04:54:14
177.17.38.129 attackspam
Automatic report - Port Scan Attack
2019-11-15 04:44:54
45.58.139.130 attackbots
Nov 11 10:01:39 xm3 sshd[4845]: reveeclipse mapping checking getaddrinfo for customer.sharktech.net [45.58.139.130] failed - POSSIBLE BREAK-IN ATTEMPT!
Nov 11 10:01:39 xm3 sshd[4845]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.58.139.130  user=r.r
Nov 11 10:01:41 xm3 sshd[4845]: Failed password for r.r from 45.58.139.130 port 7095 ssh2
Nov 11 10:01:41 xm3 sshd[4845]: Received disconnect from 45.58.139.130: 11: Bye Bye [preauth]
Nov 11 10:21:22 xm3 sshd[16154]: reveeclipse mapping checking getaddrinfo for customer.sharktech.net [45.58.139.130] failed - POSSIBLE BREAK-IN ATTEMPT!
Nov 11 10:21:22 xm3 sshd[16154]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.58.139.130  user=r.r
Nov 11 10:21:24 xm3 sshd[16154]: Failed password for r.r from 45.58.139.130 port 58624 ssh2
Nov 11 10:21:24 xm3 sshd[16154]: Received disconnect from 45.58.139.130: 11: Bye Bye [preauth]
Nov 11 10:25:04 xm3........
-------------------------------
2019-11-15 04:51:40
114.64.255.167 attackspambots
2019-11-14T20:24:00.735466hub.schaetter.us sshd\[10676\]: Invalid user beji from 114.64.255.167 port 43468
2019-11-14T20:24:00.752985hub.schaetter.us sshd\[10676\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.64.255.167
2019-11-14T20:24:03.099969hub.schaetter.us sshd\[10676\]: Failed password for invalid user beji from 114.64.255.167 port 43468 ssh2
2019-11-14T20:28:09.651030hub.schaetter.us sshd\[10717\]: Invalid user gurmeet from 114.64.255.167 port 52408
2019-11-14T20:28:09.663479hub.schaetter.us sshd\[10717\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.64.255.167
...
2019-11-15 04:58:36
134.209.186.72 attack
Nov 11 20:03:35 rb06 sshd[12092]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.186.72  user=r.r
Nov 11 20:03:36 rb06 sshd[12092]: Failed password for r.r from 134.209.186.72 port 33104 ssh2
Nov 11 20:03:36 rb06 sshd[12092]: Received disconnect from 134.209.186.72: 11: Bye Bye [preauth]
Nov 11 20:21:56 rb06 sshd[22675]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.186.72  user=r.r
Nov 11 20:21:58 rb06 sshd[22675]: Failed password for r.r from 134.209.186.72 port 53942 ssh2
Nov 11 20:21:58 rb06 sshd[22675]: Received disconnect from 134.209.186.72: 11: Bye Bye [preauth]
Nov 11 20:25:29 rb06 sshd[21856]: Failed password for invalid user dispoto from 134.209.186.72 port 41396 ssh2
Nov 11 20:25:29 rb06 sshd[21856]: Received disconnect from 134.209.186.72: 11: Bye Bye [preauth]
Nov 11 20:29:00 rb06 sshd[32497]: Failed password for invalid user wwwadmin from 134.209.186.72 port........
-------------------------------
2019-11-15 04:49:00
88.229.13.237 attack
Automatic report - Port Scan Attack
2019-11-15 05:05:21
106.13.187.202 attack
Failed password for invalid user chitra from 106.13.187.202 port 60472 ssh2
Invalid user Google!@\#456 from 106.13.187.202 port 38598
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.187.202
Failed password for invalid user Google!@\#456 from 106.13.187.202 port 38598 ssh2
Invalid user ikari from 106.13.187.202 port 44954
2019-11-15 04:58:49
177.190.76.39 attackbots
Automatic report - Port Scan Attack
2019-11-15 04:43:23
180.215.120.130 attackspam
Automatic report - XMLRPC Attack
2019-11-15 04:37:27
45.40.194.129 attackspambots
Nov 14 17:24:33 vps01 sshd[12600]: Failed password for root from 45.40.194.129 port 32768 ssh2
2019-11-15 04:34:55
116.109.237.210 attack
Unauthorized connection attempt from IP address 116.109.237.210 on Port 445(SMB)
2019-11-15 04:57:27

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