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 <<>> 104.21.81.36
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52571
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.36.			IN	A

;; AUTHORITY SECTION:
.			209	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:20:30 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 36.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 36.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
89.186.15.122 attackbotsspam
Autoban   89.186.15.122 AUTH/CONNECT
2020-05-27 05:33:25
111.13.67.138 attackspambots
scan r
2020-05-27 05:57:16
185.97.116.165 attackspambots
2020-05-26T21:04:27.286962abusebot-2.cloudsearch.cf sshd[6555]: Invalid user watford from 185.97.116.165 port 60212
2020-05-26T21:04:27.293624abusebot-2.cloudsearch.cf sshd[6555]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.97.116.165
2020-05-26T21:04:27.286962abusebot-2.cloudsearch.cf sshd[6555]: Invalid user watford from 185.97.116.165 port 60212
2020-05-26T21:04:29.902797abusebot-2.cloudsearch.cf sshd[6555]: Failed password for invalid user watford from 185.97.116.165 port 60212 ssh2
2020-05-26T21:08:33.172795abusebot-2.cloudsearch.cf sshd[6662]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.97.116.165  user=root
2020-05-26T21:08:35.557713abusebot-2.cloudsearch.cf sshd[6662]: Failed password for root from 185.97.116.165 port 37940 ssh2
2020-05-26T21:12:40.654909abusebot-2.cloudsearch.cf sshd[6714]: Invalid user stillmaker from 185.97.116.165 port 43900
...
2020-05-27 05:55:21
151.233.50.82 attack
May 26 17:46:57 vps sshd[130160]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.233.50.82  user=root
May 26 17:46:59 vps sshd[130160]: Failed password for root from 151.233.50.82 port 24244 ssh2
May 26 17:48:32 vps sshd[136027]: Invalid user web from 151.233.50.82 port 26773
May 26 17:48:32 vps sshd[136027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.233.50.82
May 26 17:48:34 vps sshd[136027]: Failed password for invalid user web from 151.233.50.82 port 26773 ssh2
...
2020-05-27 06:04:35
106.54.253.41 attack
$f2bV_matches
2020-05-27 05:50:18
68.183.81.243 attackspam
Bruteforce detected by fail2ban
2020-05-27 05:45:31
36.111.182.123 attackbots
May 26 20:25:21 vmd48417 sshd[5121]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.111.182.123
2020-05-27 05:34:08
217.182.94.110 attackbotsspam
May 26 23:24:11 localhost sshd\[18191\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.94.110  user=root
May 26 23:24:13 localhost sshd\[18191\]: Failed password for root from 217.182.94.110 port 53658 ssh2
May 26 23:26:52 localhost sshd\[18392\]: Invalid user brunnings from 217.182.94.110
May 26 23:26:52 localhost sshd\[18392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.94.110
May 26 23:26:54 localhost sshd\[18392\]: Failed password for invalid user brunnings from 217.182.94.110 port 44974 ssh2
...
2020-05-27 05:58:38
114.119.167.89 attack
Automatic report - Banned IP Access
2020-05-27 05:42:56
159.65.159.6 attack
Hits on port : 22
2020-05-27 05:50:01
216.45.23.6 attackspam
May 26 20:34:46 ArkNodeAT sshd\[5212\]: Invalid user db2admin from 216.45.23.6
May 26 20:34:46 ArkNodeAT sshd\[5212\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=216.45.23.6
May 26 20:34:48 ArkNodeAT sshd\[5212\]: Failed password for invalid user db2admin from 216.45.23.6 port 57155 ssh2
2020-05-27 05:45:48
77.122.171.25 attack
$f2bV_matches
2020-05-27 05:53:11
189.112.223.97 attackspambots
Unauthorised access (May 26) SRC=189.112.223.97 LEN=52 TTL=110 ID=11155 DF TCP DPT=445 WINDOW=8192 SYN
2020-05-27 06:01:12
45.192.169.19 attackspambots
Brute force attempt
2020-05-27 05:52:30
51.178.169.200 attackbotsspam
Invalid user ken from 51.178.169.200 port 39414
2020-05-27 06:06:54

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