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 <<>> 104.21.81.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35800
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.104.			IN	A

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

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:01:55 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 104.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
85.209.0.12 attack
Lines containing failures of 85.209.0.12 (max 1000)
Dec 31 12:05:45 Server sshd[16745]: Did not receive identification string from 85.209.0.12 port 59380
Dec 31 12:05:47 Server sshd[16746]: User r.r from 85.209.0.12 not allowed because not listed in AllowUsers
Dec 31 12:05:47 Server sshd[16746]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.209.0.12  user=r.r
Dec 31 12:05:49 Server sshd[16746]: Failed password for invalid user r.r from 85.209.0.12 port 14970 ssh2


........
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https://www.blocklist.de/en/view.html?ip=85.209.0.12
2019-12-31 19:27:32
122.228.19.79 attackbotsspam
[30/Dec/2019:23:30:58 -0500] "GET / HTTP/1.1" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:47.0) Gecko/20100101 Firefox/47.0"
2019-12-31 20:05:59
165.22.105.55 attack
Unauthorized connection attempt detected from IP address 165.22.105.55 to port 3389
2019-12-31 20:03:16
171.241.67.26 attackspambots
Honeypot attack, port: 445, PTR: dynamic-ip-adsl.viettel.vn.
2019-12-31 19:51:34
117.247.102.118 attackbots
Honeypot attack, port: 445, PTR: PTR record not found
2019-12-31 19:35:42
139.159.47.22 attack
Honeypot attack, port: 445, PTR: PTR record not found
2019-12-31 19:52:42
91.224.60.75 attackbots
Dec 31 10:15:10 localhost sshd\[121393\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.224.60.75  user=root
Dec 31 10:15:12 localhost sshd\[121393\]: Failed password for root from 91.224.60.75 port 39334 ssh2
Dec 31 10:17:16 localhost sshd\[121444\]: Invalid user java2 from 91.224.60.75 port 49609
Dec 31 10:17:16 localhost sshd\[121444\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.224.60.75
Dec 31 10:17:19 localhost sshd\[121444\]: Failed password for invalid user java2 from 91.224.60.75 port 49609 ssh2
...
2019-12-31 19:48:55
112.169.255.1 attackbotsspam
$f2bV_matches
2019-12-31 19:26:35
220.248.30.58 attack
Dec 31 10:45:12 serwer sshd\[26010\]: Invalid user redmine from 220.248.30.58 port 11904
Dec 31 10:45:12 serwer sshd\[26010\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.248.30.58
Dec 31 10:45:14 serwer sshd\[26010\]: Failed password for invalid user redmine from 220.248.30.58 port 11904 ssh2
...
2019-12-31 19:40:30
119.49.214.126 attackbotsspam
Honeypot attack, port: 23, PTR: 126.214.49.119.adsl-pool.jlccptt.net.cn.
2019-12-31 19:40:45
222.186.173.215 attack
Dec 31 12:44:11 srv206 sshd[27325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.215  user=root
Dec 31 12:44:14 srv206 sshd[27325]: Failed password for root from 222.186.173.215 port 46760 ssh2
...
2019-12-31 19:54:31
115.132.40.51 attackbots
$f2bV_matches
2019-12-31 19:53:23
46.38.144.146 attackspambots
Dec 31 12:28:18 relay postfix/smtpd\[15598\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 31 12:28:41 relay postfix/smtpd\[28558\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 31 12:29:18 relay postfix/smtpd\[15608\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 31 12:29:42 relay postfix/smtpd\[27679\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 31 12:30:20 relay postfix/smtpd\[15606\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-12-31 19:33:50
181.63.245.127 attack
Dec 31 10:47:12 XXX sshd[39776]: Invalid user suetake from 181.63.245.127 port 26881
2019-12-31 19:36:01
124.6.27.201 attackspam
Unauthorized connection attempt detected from IP address 124.6.27.201 to port 9090
2019-12-31 20:04:32

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