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 <<>> 104.21.81.107
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.107.			IN	A

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

;; Query time: 82 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:01:56 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 107.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 107.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
68.58.30.231 attackbotsspam
Feb 21 20:40:47 sso sshd[22327]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.58.30.231
Feb 21 20:40:49 sso sshd[22327]: Failed password for invalid user test from 68.58.30.231 port 35648 ssh2
...
2020-02-22 04:46:11
76.214.112.45 attackspambots
Feb 21 21:12:13 MK-Soft-VM8 sshd[10838]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.214.112.45 
Feb 21 21:12:15 MK-Soft-VM8 sshd[10838]: Failed password for invalid user yangweifei from 76.214.112.45 port 9063 ssh2
...
2020-02-22 05:05:00
185.53.88.44 attack
ET SCAN Sipvicious Scan - port: 5060 proto: UDP cat: Attempted Information Leak
2020-02-22 05:08:46
185.217.1.245 attackspam
Port 5351 scan denied
2020-02-22 05:08:18
193.70.53.50 attack
port scan and connect, tcp 6000 (X11)
2020-02-22 05:17:03
36.39.12.228 attackspambots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-02-22 04:44:37
209.17.97.50 attackbotsspam
The IP has triggered Cloudflare WAF. CF-Ray: 5683724ece32c89b | WAF_Rule_ID: ipr24 | WAF_Kind: firewall | CF_Action: challenge | Country: US | CF_IPClass: noRecord | Protocol: HTTP/1.1 | Method: GET | Host: disqusjs.skk.moe | User-Agent: Mozilla/5.0 (compatible; Nimbostratus-Bot/v1.3.2; http://cloudsystemnetworks.com) | CF_DC: MIA. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).
2020-02-22 05:00:29
222.186.31.166 attackspam
21.02.2020 21:07:11 SSH access blocked by firewall
2020-02-22 05:07:51
110.232.83.118 attackbots
suspicious action Fri, 21 Feb 2020 10:10:48 -0300
2020-02-22 04:45:38
68.183.184.61 attack
suspicious action Fri, 21 Feb 2020 10:10:28 -0300
2020-02-22 04:57:46
107.175.128.132 attack
20/2/21@09:01:23: FAIL: Alarm-Network address from=107.175.128.132
20/2/21@09:01:23: FAIL: Alarm-Network address from=107.175.128.132
...
2020-02-22 04:52:11
165.227.91.191 attackbots
Feb 21 10:10:10 ws24vmsma01 sshd[33657]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.91.191
Feb 21 10:10:12 ws24vmsma01 sshd[33657]: Failed password for invalid user ncuser from 165.227.91.191 port 58676 ssh2
...
2020-02-22 05:05:31
185.189.114.116 attackbots
Unauthorized connection attempt detected, IP banned.
2020-02-22 05:11:14
103.44.3.182 attackspam
firewall-block, port(s): 5555/tcp
2020-02-22 05:13:25
222.186.3.249 attackspam
Feb 21 21:36:50 minden010 sshd[17201]: Failed password for root from 222.186.3.249 port 31095 ssh2
Feb 21 21:41:15 minden010 sshd[17962]: Failed password for root from 222.186.3.249 port 50831 ssh2
Feb 21 21:41:17 minden010 sshd[17962]: Failed password for root from 222.186.3.249 port 50831 ssh2
...
2020-02-22 05:01:12

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