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 <<>> 104.21.81.47
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31208
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.47.			IN	A

;; AUTHORITY SECTION:
.			275	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022201 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 23 04:05:27 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 47.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 47.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
195.182.153.214 attack
firewall-block, port(s): 445/tcp
2020-05-15 04:01:53
104.248.34.219 attackbotsspam
104.248.34.219 - - [14/May/2020:18:49:25 +0200] "GET /wp-login.php HTTP/1.1" 200 1900 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.248.34.219 - - [14/May/2020:18:49:25 +0200] "POST /wp-login.php HTTP/1.1" 200 2031 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.248.34.219 - - [14/May/2020:18:49:25 +0200] "GET /wp-login.php HTTP/1.1" 200 1900 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.248.34.219 - - [14/May/2020:18:49:25 +0200] "POST /wp-login.php HTTP/1.1" 200 2008 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.248.34.219 - - [14/May/2020:18:49:25 +0200] "GET /wp-login.php HTTP/1.1" 200 1900 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
104.248.34.219 - - [14/May/2020:18:49:25 +0200] "POST /wp-login.php HTTP/1.1" 200 2009 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/201001
...
2020-05-15 04:04:32
117.215.129.17 attackbotsspam
$f2bV_matches
2020-05-15 03:51:21
111.229.104.94 attackspam
May 14 19:50:33 melroy-server sshd[4091]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.104.94 
May 14 19:50:35 melroy-server sshd[4091]: Failed password for invalid user sheng from 111.229.104.94 port 52450 ssh2
...
2020-05-15 03:36:27
157.245.155.13 attackspambots
May 14 16:23:32 MainVPS sshd[30252]: Invalid user rtorres from 157.245.155.13 port 49110
May 14 16:23:32 MainVPS sshd[30252]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.155.13
May 14 16:23:32 MainVPS sshd[30252]: Invalid user rtorres from 157.245.155.13 port 49110
May 14 16:23:33 MainVPS sshd[30252]: Failed password for invalid user rtorres from 157.245.155.13 port 49110 ssh2
May 14 16:27:51 MainVPS sshd[1706]: Invalid user bwadmin from 157.245.155.13 port 57192
...
2020-05-15 04:10:40
59.41.92.74 attackspam
2020-05-14T14:16:33.877884static.108.197.76.144.clients.your-server.de sshd[13995]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.41.92.74  user=test
2020-05-14T14:16:35.952309static.108.197.76.144.clients.your-server.de sshd[13995]: Failed password for test from 59.41.92.74 port 8844 ssh2
2020-05-14T14:18:38.246896static.108.197.76.144.clients.your-server.de sshd[14172]: Invalid user ricardo from 59.41.92.74
2020-05-14T14:18:38.249255static.108.197.76.144.clients.your-server.de sshd[14172]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.41.92.74
2020-05-14T14:18:40.484166static.108.197.76.144.clients.your-server.de sshd[14172]: Failed password for invalid user ricardo from 59.41.92.74 port 7269 ssh2

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=59.41.92.74
2020-05-15 03:43:19
128.199.95.60 attackbotsspam
Invalid user mmo2 from 128.199.95.60 port 43478
2020-05-15 03:39:35
202.90.199.206 attackspambots
Invalid user test from 202.90.199.206 port 35294
2020-05-15 03:59:29
185.176.27.14 attackspambots
May 14 21:02:09 debian-2gb-nbg1-2 kernel: \[11741782.169932\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.176.27.14 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=44055 PROTO=TCP SPT=57645 DPT=4397 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-15 04:04:54
62.234.182.174 attackspambots
May 14 21:46:26 OPSO sshd\[12641\]: Invalid user fpt from 62.234.182.174 port 40500
May 14 21:46:26 OPSO sshd\[12641\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.182.174
May 14 21:46:28 OPSO sshd\[12641\]: Failed password for invalid user fpt from 62.234.182.174 port 40500 ssh2
May 14 21:50:54 OPSO sshd\[13578\]: Invalid user ts3bot from 62.234.182.174 port 59754
May 14 21:50:54 OPSO sshd\[13578\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.182.174
2020-05-15 03:52:43
106.13.206.10 attackbots
Unauthorized SSH login attempts
2020-05-15 03:50:15
36.72.214.236 attackbotsspam
Automatic report - Port Scan Attack
2020-05-15 03:40:09
114.98.126.14 attackspambots
May 14 14:40:42 buvik sshd[30102]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.98.126.14  user=root
May 14 14:40:44 buvik sshd[30102]: Failed password for root from 114.98.126.14 port 55838 ssh2
May 14 14:44:48 buvik sshd[30572]: Invalid user medieval from 114.98.126.14
...
2020-05-15 03:49:57
90.189.117.121 attack
Invalid user backup from 90.189.117.121 port 46036
2020-05-15 03:44:25
67.78.68.198 attackspambots
Unauthorized connection attempt detected from IP address 67.78.68.198 to port 23
2020-05-15 03:49:03

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