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 <<>> 104.21.81.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43467
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.4.			IN	A

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

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:54 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 4.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 4.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
173.249.33.121 attackbots
Mar 13 05:54:47 vpn sshd[13372]: Failed password for root from 173.249.33.121 port 42974 ssh2
Mar 13 06:00:24 vpn sshd[13413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.249.33.121
Mar 13 06:00:26 vpn sshd[13413]: Failed password for invalid user support from 173.249.33.121 port 52146 ssh2
2019-07-19 06:47:11
175.139.164.234 attack
Mar 22 16:44:18 vpn sshd[27687]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.139.164.234
Mar 22 16:44:20 vpn sshd[27687]: Failed password for invalid user carol from 175.139.164.234 port 57345 ssh2
Mar 22 16:49:59 vpn sshd[27732]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.139.164.234
2019-07-19 06:11:39
174.117.122.135 attack
Nov 21 06:39:34 vpn sshd[7361]: Failed password for root from 174.117.122.135 port 57678 ssh2
Nov 21 06:48:01 vpn sshd[7507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.117.122.135
Nov 21 06:48:03 vpn sshd[7507]: Failed password for invalid user wpyan from 174.117.122.135 port 58820 ssh2
2019-07-19 06:34:51
45.55.82.44 attack
joshuajohannes.de 45.55.82.44 \[18/Jul/2019:23:08:28 +0200\] "POST /wp-login.php HTTP/1.1" 200 5606 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
joshuajohannes.de 45.55.82.44 \[18/Jul/2019:23:08:29 +0200\] "POST /wp-login.php HTTP/1.1" 200 5613 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-07-19 06:06:45
182.61.169.230 attack
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-07-18 03:02:26,005 INFO [shellcode_manager] (182.61.169.230) no match, writing hexdump (bbaec7f30ebf2c9725a86d102cdccf7b :12196) - SMB (Unknown)
2019-07-19 06:28:46
175.139.183.57 attackspam
Mar 25 13:08:38 vpn sshd[11158]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.139.183.57
Mar 25 13:08:40 vpn sshd[11158]: Failed password for invalid user applmgr from 175.139.183.57 port 43004 ssh2
Mar 25 13:14:32 vpn sshd[11172]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.139.183.57
2019-07-19 06:10:32
173.88.69.96 attackspam
Mar 24 23:43:42 vpn sshd[7781]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.88.69.96
Mar 24 23:43:44 vpn sshd[7781]: Failed password for invalid user admin from 173.88.69.96 port 51268 ssh2
Mar 24 23:43:46 vpn sshd[7781]: Failed password for invalid user admin from 173.88.69.96 port 51268 ssh2
Mar 24 23:43:49 vpn sshd[7781]: Failed password for invalid user admin from 173.88.69.96 port 51268 ssh2
2019-07-19 06:38:15
175.136.168.5 attackbotsspam
Mar  4 18:22:12 vpn sshd[950]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.136.168.5
Mar  4 18:22:14 vpn sshd[950]: Failed password for invalid user test1 from 175.136.168.5 port 37709 ssh2
Mar  4 18:29:30 vpn sshd[971]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.136.168.5
2019-07-19 06:18:45
36.225.14.190 attackbotsspam
Jul 18 05:14:30 localhost kernel: [14685463.514672] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:aa:c1:08:00 SRC=36.225.14.190 DST=[mungedIP2] LEN=40 TOS=0x00 PREC=0x00 TTL=52 ID=39815 PROTO=TCP SPT=24360 DPT=37215 WINDOW=18227 RES=0x00 SYN URGP=0 
Jul 18 05:14:30 localhost kernel: [14685463.514703] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:aa:c1:08:00 SRC=36.225.14.190 DST=[mungedIP2] LEN=40 TOS=0x00 PREC=0x00 TTL=52 ID=39815 PROTO=TCP SPT=24360 DPT=37215 SEQ=758669438 ACK=0 WINDOW=18227 RES=0x00 SYN URGP=0 
Jul 18 17:08:00 localhost kernel: [14728273.325629] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:aa:c1:08:00 SRC=36.225.14.190 DST=[mungedIP2] LEN=40 TOS=0x00 PREC=0x00 TTL=52 ID=14615 PROTO=TCP SPT=24360 DPT=37215 WINDOW=18227 RES=0x00 SYN URGP=0 
Jul 18 17:08:00 localhost kernel: [14728273.325661] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:aa:c1:08:00 SRC=36.225.14.190 DST=[mungedIP2] LEN=40 TOS=0x0
2019-07-19 06:40:43
175.140.190.106 attackspambots
Feb 26 17:57:47 vpn sshd[26708]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.140.190.106
Feb 26 17:57:49 vpn sshd[26708]: Failed password for invalid user hj from 175.140.190.106 port 59490 ssh2
Feb 26 18:02:49 vpn sshd[26736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.140.190.106
2019-07-19 06:07:37
173.249.40.108 attack
Nov 25 13:57:49 vpn sshd[30762]: Failed password for root from 173.249.40.108 port 39710 ssh2
Nov 25 13:58:17 vpn sshd[30766]: Failed password for root from 173.249.40.108 port 49912 ssh2
2019-07-19 06:44:58
173.249.51.81 attackbots
Dec 30 05:25:01 vpn sshd[1870]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.249.51.81
Dec 30 05:25:03 vpn sshd[1870]: Failed password for invalid user a from 173.249.51.81 port 33624 ssh2
Dec 30 05:26:05 vpn sshd[1874]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.249.51.81
2019-07-19 06:42:18
185.220.101.45 attackbotsspam
[Aegis] @ 2019-07-18 23:44:05  0100 -> Maximum authentication attempts exceeded.
2019-07-19 06:52:24
84.27.60.101 attack
(mod_security) mod_security (id:230011) triggered by 84.27.60.101 (NL/Netherlands/84-27-60-101.cable.dynamic.v4.ziggo.nl): 5 in the last 3600 secs
2019-07-19 06:47:42
186.90.165.26 attack
1563484102 - 07/19/2019 04:08:22 Host: 186-90-165-26.genericrev.cantv.net/186.90.165.26 Port: 23 TCP Blocked
...
2019-07-19 06:12:57

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