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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.13.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23188
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.13.81.			IN	A

;; AUTHORITY SECTION:
.			341	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 17:56:35 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.13.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.13.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
81.218.156.223 attack
Honeypot attack, port: 23, PTR: bzq-218-156-223.cablep.bezeqint.net.
2019-07-06 15:41:36
212.156.58.34 attack
Autoban   212.156.58.34 AUTH/CONNECT
2019-07-06 15:43:29
113.75.158.222 attack
detected by Fail2Ban
2019-07-06 15:37:54
203.195.155.100 attackspambots
Jul  1 03:34:03 mail-host sshd[6733]: Invalid user tushar from 203.195.155.100
Jul  1 03:34:03 mail-host sshd[6733]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.195.155.100 
Jul  1 03:34:05 mail-host sshd[6733]: Failed password for invalid user tushar from 203.195.155.100 port 51942 ssh2
Jul  1 03:34:06 mail-host sshd[6780]: Received disconnect from 203.195.155.100: 11: Bye Bye
Jul  1 03:46:35 mail-host sshd[4885]: Invalid user biology from 203.195.155.100
Jul  1 03:46:35 mail-host sshd[4885]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.195.155.100 
Jul  1 03:46:37 mail-host sshd[4885]: Failed password for invalid user biology from 203.195.155.100 port 50420 ssh2
Jul  1 03:46:37 mail-host sshd[4886]: Received disconnect from 203.195.155.100: 11: Bye Bye
Jul  1 03:47:47 mail-host sshd[5087]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhos........
-------------------------------
2019-07-06 16:23:28
189.95.16.103 attackspam
2019-07-06T03:46:11.452605abusebot-3.cloudsearch.cf sshd\[9654\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189-95-16-103.3g.claro.net.br  user=root
2019-07-06 16:04:49
80.233.19.52 attackbots
2019-07-03 19:15:04 unexpected disconnection while reading SMTP command from ([80.233.19.52]) [80.233.19.52]:64519 I=[10.100.18.20]:25 (error: Connection reset by peer)
2019-07-03 19:15:37 unexpected disconnection while reading SMTP command from ([80.233.19.52]) [80.233.19.52]:24376 I=[10.100.18.20]:25 (error: Connection reset by peer)
2019-07-03 19:16:35 unexpected disconnection while reading SMTP command from ([80.233.19.52]) [80.233.19.52]:11966 I=[10.100.18.20]:25 (error: Connection reset by peer)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=80.233.19.52
2019-07-06 16:02:25
95.216.169.225 attackspam
Jul  6 05:45:55 dcd-gentoo sshd[18079]: Invalid user Stockholm from 95.216.169.225 port 52774
Jul  6 05:45:57 dcd-gentoo sshd[18079]: error: PAM: Authentication failure for illegal user Stockholm from 95.216.169.225
Jul  6 05:45:55 dcd-gentoo sshd[18079]: Invalid user Stockholm from 95.216.169.225 port 52774
Jul  6 05:45:57 dcd-gentoo sshd[18079]: error: PAM: Authentication failure for illegal user Stockholm from 95.216.169.225
Jul  6 05:45:55 dcd-gentoo sshd[18079]: Invalid user Stockholm from 95.216.169.225 port 52774
Jul  6 05:45:57 dcd-gentoo sshd[18079]: error: PAM: Authentication failure for illegal user Stockholm from 95.216.169.225
Jul  6 05:45:57 dcd-gentoo sshd[18079]: Failed keyboard-interactive/pam for invalid user Stockholm from 95.216.169.225 port 52774 ssh2
...
2019-07-06 16:11:55
200.122.224.200 attackbotsspam
Scanning random ports - tries to find possible vulnerable services
2019-07-06 15:52:33
188.112.82.71 attackbots
2019-07-03 18:15:01 H=188-112-82-71.3pp.slovanet.sk [188.112.82.71]:29762 I=[10.100.18.25]:25 F=: Host/domain is listed in RBL cbl.abuseat.org (Blocked - see hxxp://www.abuseat.org/lookup.cgi?ip=188.112.82.71)
2019-07-03 18:15:02 unexpected disconnection while reading SMTP command from 188-112-82-71.3pp.slovanet.sk [188.112.82.71]:29762 I=[10.100.18.25]:25 (error: Connection reset by peer)
2019-07-03 19:30:17 H=188-112-82-71.3pp.slovanet.sk [188.112.82.71]:11502 I=[10.100.18.25]:25 F=: Host/domain is listed in RBL cbl.abuseat.org (Blocked - see hxxp://www.abuseat.org/lookup.cgi?ip=188.112.82.71)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=188.112.82.71
2019-07-06 16:15:59
61.227.226.84 attack
FTP/21 MH Probe, BF, Hack -
2019-07-06 16:08:43
54.39.138.246 attackbots
2019-07-06T01:50:33.845319WS-Zach sshd[2238]: Invalid user cao from 54.39.138.246 port 60964
2019-07-06T01:50:33.848891WS-Zach sshd[2238]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.138.246
2019-07-06T01:50:33.845319WS-Zach sshd[2238]: Invalid user cao from 54.39.138.246 port 60964
2019-07-06T01:50:35.435890WS-Zach sshd[2238]: Failed password for invalid user cao from 54.39.138.246 port 60964 ssh2
2019-07-06T01:53:46.350757WS-Zach sshd[3848]: Invalid user black from 54.39.138.246 port 40846
...
2019-07-06 15:59:24
66.110.120.2 attackspambots
Unauthorised access (Jul  6) SRC=66.110.120.2 LEN=40 TTL=240 ID=41587 TCP DPT=445 WINDOW=1024 SYN
2019-07-06 16:20:08
189.216.95.164 attack
2019-07-03 18:06:50 H=(customer-189-216-95-164.cablevision.net.mx) [189.216.95.164]:6351 I=[10.100.18.22]:25 F=: Host/domain is listed in RBL cbl.abuseat.org (Blocked - see hxxp://www.abuseat.org/lookup.cgi?ip=189.216.95.164)
2019-07-03 18:06:50 unexpected disconnection while reading SMTP command from (customer-189-216-95-164.cablevision.net.mx) [189.216.95.164]:6351 I=[10.100.18.22]:25 (error: Connection reset by peer)
2019-07-03 19:17:52 H=(customer-189-216-95-164.cablevision.net.mx) [189.216.95.164]:47182 I=[10.100.18.22]:25 F=: Host/domain is listed in RBL cbl.abuseat.org (Blocked - see hxxp://www.abuseat.org/lookup.cgi?ip=189.216.95.164)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=189.216.95.164
2019-07-06 16:05:08
66.249.66.204 attackbots
\[Sat Jul 06 05:46:06.205506 2019\] \[access_compat:error\] \[pid 7253:tid 139998502295296\] \[client 66.249.66.204:42694\] AH01797: client denied by server configuration: /var/www/lug/xmlrpc.php
...
2019-07-06 16:07:01
123.206.90.149 attackbotsspam
Jul  6 03:46:40 unicornsoft sshd\[28749\]: Invalid user ox from 123.206.90.149
Jul  6 03:46:40 unicornsoft sshd\[28749\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.90.149
Jul  6 03:46:42 unicornsoft sshd\[28749\]: Failed password for invalid user ox from 123.206.90.149 port 34070 ssh2
2019-07-06 15:52:09

Recently Reported IPs

154.18.45.171 104.21.13.85 104.21.13.86 41.159.197.52
104.21.13.92 113.51.124.219 104.21.13.93 104.21.13.96
104.21.13.99 104.21.14.100 104.21.14.104 104.21.14.106
104.21.14.11 104.21.14.110 104.21.14.112 104.21.14.114
104.21.14.117 104.21.14.119 104.21.14.12 104.21.14.123