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: United States

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 <<>> 104.21.81.193
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7055
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.193.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:28 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 193.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 193.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
67.213.75.130 attackbots
Nov  2 04:14:05 hanapaa sshd\[16018\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.213.75.130  user=root
Nov  2 04:14:06 hanapaa sshd\[16018\]: Failed password for root from 67.213.75.130 port 21782 ssh2
Nov  2 04:18:10 hanapaa sshd\[16308\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.213.75.130  user=sys
Nov  2 04:18:12 hanapaa sshd\[16308\]: Failed password for sys from 67.213.75.130 port 24195 ssh2
Nov  2 04:22:08 hanapaa sshd\[16597\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.213.75.130  user=root
2019-11-02 22:33:51
165.227.183.146 attackbotsspam
Nov  2 12:55:35 ArkNodeAT sshd\[7816\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.183.146  user=root
Nov  2 12:55:35 ArkNodeAT sshd\[7782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.183.146  user=root
Nov  2 12:55:36 ArkNodeAT sshd\[7816\]: Failed password for root from 165.227.183.146 port 60518 ssh2
2019-11-02 23:06:14
112.85.42.195 attackbots
Nov  2 10:05:56 xentho sshd[8738]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.195  user=root
Nov  2 10:05:59 xentho sshd[8738]: Failed password for root from 112.85.42.195 port 12750 ssh2
Nov  2 10:06:02 xentho sshd[8738]: Failed password for root from 112.85.42.195 port 12750 ssh2
Nov  2 10:05:56 xentho sshd[8738]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.195  user=root
Nov  2 10:05:59 xentho sshd[8738]: Failed password for root from 112.85.42.195 port 12750 ssh2
Nov  2 10:06:02 xentho sshd[8738]: Failed password for root from 112.85.42.195 port 12750 ssh2
Nov  2 10:05:56 xentho sshd[8738]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.195  user=root
Nov  2 10:05:59 xentho sshd[8738]: Failed password for root from 112.85.42.195 port 12750 ssh2
Nov  2 10:06:02 xentho sshd[8738]: Failed password for root from 112.85.42.195 po
...
2019-11-02 22:27:29
34.70.80.96 attack
Nov  2 15:59:30 mintao sshd\[26942\]: Invalid user oracle from 34.70.80.96\
Nov  2 15:59:31 mintao sshd\[26944\]: Invalid user nagios from 34.70.80.96\
2019-11-02 23:08:08
197.248.205.53 attack
Nov  2 15:09:07 lnxded63 sshd[16721]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.248.205.53
Nov  2 15:09:10 lnxded63 sshd[16721]: Failed password for invalid user Aarre from 197.248.205.53 port 43872 ssh2
Nov  2 15:13:45 lnxded63 sshd[17011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.248.205.53
2019-11-02 22:35:52
151.80.41.64 attackspam
$f2bV_matches
2019-11-02 22:58:56
198.96.95.250 attack
Port Scan: TCP/443
2019-11-02 23:04:26
104.42.158.117 attackspam
2019-11-02T11:51:11.532316hub.schaetter.us sshd\[24299\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.42.158.117  user=root
2019-11-02T11:51:13.247598hub.schaetter.us sshd\[24299\]: Failed password for root from 104.42.158.117 port 50976 ssh2
2019-11-02T11:55:53.967212hub.schaetter.us sshd\[24332\]: Invalid user centos from 104.42.158.117 port 50976
2019-11-02T11:55:53.979984hub.schaetter.us sshd\[24332\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.42.158.117
2019-11-02T11:55:56.076211hub.schaetter.us sshd\[24332\]: Failed password for invalid user centos from 104.42.158.117 port 50976 ssh2
...
2019-11-02 22:51:02
92.112.41.132 attackspambots
Telnetd brute force attack detected by fail2ban
2019-11-02 22:54:54
167.71.220.35 attackbotsspam
Oct 30 09:07:42 nbi-636 sshd[19671]: User r.r from 167.71.220.35 not allowed because not listed in AllowUsers
Oct 30 09:07:42 nbi-636 sshd[19671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.220.35  user=r.r
Oct 30 09:07:44 nbi-636 sshd[19671]: Failed password for invalid user r.r from 167.71.220.35 port 59708 ssh2
Oct 30 09:07:44 nbi-636 sshd[19671]: Received disconnect from 167.71.220.35 port 59708:11: Bye Bye [preauth]
Oct 30 09:07:44 nbi-636 sshd[19671]: Disconnected from 167.71.220.35 port 59708 [preauth]
Oct 30 09:22:04 nbi-636 sshd[22625]: Invalid user louwg from 167.71.220.35 port 33568
Oct 30 09:22:05 nbi-636 sshd[22625]: Failed password for invalid user louwg from 167.71.220.35 port 33568 ssh2
Oct 30 09:22:05 nbi-636 sshd[22625]: Received disconnect from 167.71.220.35 port 33568:11: Bye Bye [preauth]
Oct 30 09:22:05 nbi-636 sshd[22625]: Disconnected from 167.71.220.35 port 33568 [preauth]
Oct 30 09:26:15 nbi-6........
-------------------------------
2019-11-02 22:25:41
163.172.251.80 attack
Nov  2 04:14:19 web9 sshd\[20663\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.251.80  user=root
Nov  2 04:14:22 web9 sshd\[20663\]: Failed password for root from 163.172.251.80 port 40848 ssh2
Nov  2 04:18:34 web9 sshd\[21190\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.251.80  user=root
Nov  2 04:18:35 web9 sshd\[21190\]: Failed password for root from 163.172.251.80 port 51386 ssh2
Nov  2 04:22:44 web9 sshd\[21684\]: Invalid user rs from 163.172.251.80
Nov  2 04:22:44 web9 sshd\[21684\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.251.80
2019-11-02 22:56:24
139.198.4.44 attack
vulcan
2019-11-02 22:54:26
218.29.42.220 attack
2019-11-02T14:17:29.670813abusebot-5.cloudsearch.cf sshd\[24986\]: Invalid user support from 218.29.42.220 port 34502
2019-11-02 22:36:46
18.139.163.135 attackbots
Automatic report - XMLRPC Attack
2019-11-02 22:32:01
46.38.144.202 attackbotsspam
Nov  2 15:11:57 mail postfix/smtpd\[15280\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  2 15:13:56 mail postfix/smtpd\[15428\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  2 15:15:50 mail postfix/smtpd\[15428\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-11-02 22:29:03

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