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: Taipei

Region: Taipei

Country: Taiwan, 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 <<>> 163.21.72.137
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58828
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;163.21.72.137.			IN	A

;; AUTHORITY SECTION:
.			124	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2024060200 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jun 02 18:41:57 CST 2024
;; MSG SIZE  rcvd: 106
Host info
137.72.21.163.in-addr.arpa domain name pointer dhcp72137.iem.sjsmit.edu.tw.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
137.72.21.163.in-addr.arpa	name = dhcp72137.iem.sjsmit.edu.tw.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
112.85.42.238 attack
Apr  3 07:35:35 [host] sshd[25762]: pam_unix(sshd:
Apr  3 07:35:36 [host] sshd[25762]: Failed passwor
Apr  3 07:35:38 [host] sshd[25762]: Failed passwor
2020-04-03 14:07:48
89.163.225.183 attackspam
Port 53586 scan denied
2020-04-03 14:48:07
222.186.42.7 attack
$f2bV_matches
2020-04-03 14:33:32
216.244.66.247 attack
Potential Command Injection Attempt
2020-04-03 14:15:24
218.85.119.92 attackbots
Invalid user ikt from 218.85.119.92 port 62734
2020-04-03 14:45:07
51.38.71.191 attack
Invalid user zgo from 51.38.71.191 port 47570
2020-04-03 14:04:35
175.144.121.219 attackspambots
Telnet Server BruteForce Attack
2020-04-03 14:33:55
106.13.139.26 attack
k+ssh-bruteforce
2020-04-03 14:23:51
222.186.173.142 attackbotsspam
Apr  3 06:00:47 ip-172-31-62-245 sshd\[29969\]: Failed password for root from 222.186.173.142 port 64838 ssh2\
Apr  3 06:08:16 ip-172-31-62-245 sshd\[30014\]: Failed password for root from 222.186.173.142 port 24798 ssh2\
Apr  3 06:08:19 ip-172-31-62-245 sshd\[30014\]: Failed password for root from 222.186.173.142 port 24798 ssh2\
Apr  3 06:08:22 ip-172-31-62-245 sshd\[30014\]: Failed password for root from 222.186.173.142 port 24798 ssh2\
Apr  3 06:08:25 ip-172-31-62-245 sshd\[30014\]: Failed password for root from 222.186.173.142 port 24798 ssh2\
2020-04-03 14:10:52
222.186.52.139 attack
Apr  3 08:15:24 localhost sshd\[1822\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.139  user=root
Apr  3 08:15:26 localhost sshd\[1822\]: Failed password for root from 222.186.52.139 port 25759 ssh2
Apr  3 08:15:28 localhost sshd\[1822\]: Failed password for root from 222.186.52.139 port 25759 ssh2
2020-04-03 14:18:59
104.248.205.67 attack
Apr  3 07:51:30 nextcloud sshd\[23080\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.205.67  user=root
Apr  3 07:51:32 nextcloud sshd\[23080\]: Failed password for root from 104.248.205.67 port 48808 ssh2
Apr  3 07:56:07 nextcloud sshd\[28623\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.205.67  user=root
2020-04-03 14:47:46
46.38.145.5 attack
Apr  3 08:09:56 nlmail01.srvfarm.net postfix/smtpd[140034]: warning: unknown[46.38.145.5]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  3 08:10:26 nlmail01.srvfarm.net postfix/smtpd[140034]: warning: unknown[46.38.145.5]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  3 08:10:56 nlmail01.srvfarm.net postfix/smtpd[140034]: warning: unknown[46.38.145.5]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  3 08:11:26 nlmail01.srvfarm.net postfix/smtpd[140150]: warning: unknown[46.38.145.5]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  3 08:12:07 nlmail01.srvfarm.net postfix/smtpd[140150]: warning: unknown[46.38.145.5]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-04-03 14:32:45
130.61.191.38 attackbots
Fail2Ban Ban Triggered
2020-04-03 14:23:19
79.124.62.55 attack
Port 3390 (MS RDP) access denied
2020-04-03 14:05:17
103.215.81.139 attack
$f2bV_matches
2020-04-03 14:26:44

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