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: Latvia

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 <<>> 81.163.75.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52012
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;81.163.75.21.			IN	A

;; AUTHORITY SECTION:
.			515	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022010801 1800 900 604800 86400

;; Query time: 113 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 09 09:49:26 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.75.163.81.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.75.163.81.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
115.159.153.180 attackspam
Aug 22 20:24:40 dev0-dcde-rnet sshd[28135]: Failed password for root from 115.159.153.180 port 51452 ssh2
Aug 22 20:26:03 dev0-dcde-rnet sshd[28149]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.153.180
Aug 22 20:26:06 dev0-dcde-rnet sshd[28149]: Failed password for invalid user marconi from 115.159.153.180 port 58642 ssh2
2020-08-23 03:27:42
52.187.69.98 attackspambots
MVPower DVR TV Shell Unauthenticated Command Execution Vulnerability
2020-08-23 03:39:09
122.51.191.69 attackbots
Aug 22 14:08:39 sso sshd[15825]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.191.69
Aug 22 14:08:42 sso sshd[15825]: Failed password for invalid user wp-user from 122.51.191.69 port 58656 ssh2
...
2020-08-23 03:37:00
64.227.15.121 attackspam
SSH Brute-Forcing (server1)
2020-08-23 03:53:25
92.38.136.69 attack
0,50-01/33 [bc00/m72] PostRequest-Spammer scoring: essen
2020-08-23 03:51:05
49.232.191.67 attack
Aug 22 21:42:32 vps647732 sshd[20517]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.191.67
Aug 22 21:42:34 vps647732 sshd[20517]: Failed password for invalid user vertica from 49.232.191.67 port 35470 ssh2
...
2020-08-23 03:53:56
219.77.236.103 attackspambots
SSH login attempts.
2020-08-23 03:22:06
219.240.99.110 attack
SSH authentication failure x 6 reported by Fail2Ban
...
2020-08-23 03:27:29
59.120.227.134 attackspambots
Aug 23 02:17:47 itv-usvr-02 sshd[1713]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.120.227.134  user=root
Aug 23 02:17:49 itv-usvr-02 sshd[1713]: Failed password for root from 59.120.227.134 port 52910 ssh2
Aug 23 02:21:21 itv-usvr-02 sshd[1835]: Invalid user guest from 59.120.227.134 port 56196
Aug 23 02:21:21 itv-usvr-02 sshd[1835]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.120.227.134
Aug 23 02:21:21 itv-usvr-02 sshd[1835]: Invalid user guest from 59.120.227.134 port 56196
Aug 23 02:21:23 itv-usvr-02 sshd[1835]: Failed password for invalid user guest from 59.120.227.134 port 56196 ssh2
2020-08-23 03:49:40
219.73.90.120 attackbotsspam
SSH login attempts.
2020-08-23 03:23:24
51.68.44.13 attackbots
SSH invalid-user multiple login try
2020-08-23 03:23:00
222.186.173.201 attack
 TCP (SYN) 222.186.173.201:46671 -> port 22, len 44
2020-08-23 03:46:15
1.53.198.112 attackspam
dovecot abuse
2020-08-23 03:56:31
111.72.197.181 attackbots
Aug 22 13:50:50 srv01 postfix/smtpd\[18088\]: warning: unknown\[111.72.197.181\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 22 14:04:43 srv01 postfix/smtpd\[18253\]: warning: unknown\[111.72.197.181\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 22 14:08:21 srv01 postfix/smtpd\[18252\]: warning: unknown\[111.72.197.181\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 22 14:08:33 srv01 postfix/smtpd\[18252\]: warning: unknown\[111.72.197.181\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 22 14:08:50 srv01 postfix/smtpd\[18252\]: warning: unknown\[111.72.197.181\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-08-23 03:30:37
218.89.222.16 attack
2020-08-22T14:26:49.954180morrigan.ad5gb.com sshd[2857546]: Invalid user bdos from 218.89.222.16 port 48983
2020-08-22T14:26:51.973046morrigan.ad5gb.com sshd[2857546]: Failed password for invalid user bdos from 218.89.222.16 port 48983 ssh2
2020-08-23 03:32:09

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