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 <<>> 104.21.8.240
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55655
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.8.240.			IN	A

;; AUTHORITY SECTION:
.			597	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021801 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 03:31:09 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 240.8.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 240.8.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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89.163.131.51 attackspam
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2020-05-23 00:20:46
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leo_www
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WordPress fake user registration, known IP range
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Invalid user txw from 134.209.197.218 port 31342
2020-05-23 00:39:39
117.27.88.61 attackbotsspam
Invalid user gua from 117.27.88.61 port 2083
2020-05-23 00:24:40
83.219.128.94 attack
$f2bV_matches
2020-05-23 00:52:41
14.136.245.194 attackbotsspam
May 22 16:33:40 localhost sshd[89899]: Invalid user zpa from 14.136.245.194 port 55361
May 22 16:33:40 localhost sshd[89899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.136.245.194
May 22 16:33:40 localhost sshd[89899]: Invalid user zpa from 14.136.245.194 port 55361
May 22 16:33:41 localhost sshd[89899]: Failed password for invalid user zpa from 14.136.245.194 port 55361 ssh2
May 22 16:36:25 localhost sshd[90130]: Invalid user olo from 14.136.245.194 port 28065
...
2020-05-23 00:48:39
186.56.208.183 attackbots
Automatic report - Port Scan Attack
2020-05-23 01:06:35
37.49.226.103 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-05-23 00:59:07
104.131.46.166 attackbots
May 22 16:06:50 abendstille sshd\[2649\]: Invalid user vrb from 104.131.46.166
May 22 16:06:50 abendstille sshd\[2649\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.46.166
May 22 16:06:52 abendstille sshd\[2649\]: Failed password for invalid user vrb from 104.131.46.166 port 41801 ssh2
May 22 16:10:30 abendstille sshd\[5979\]: Invalid user puo from 104.131.46.166
May 22 16:10:30 abendstille sshd\[5979\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.46.166
...
2020-05-23 00:27:50
223.247.149.237 attack
Invalid user fwz from 223.247.149.237 port 52618
2020-05-23 00:51:24
106.52.131.86 attackbotsspam
2020-05-22T14:51:12.841278ollin.zadara.org sshd[7946]: Invalid user nix from 106.52.131.86 port 50602
2020-05-22T14:51:14.858744ollin.zadara.org sshd[7946]: Failed password for invalid user nix from 106.52.131.86 port 50602 ssh2
...
2020-05-23 00:51:48
52.170.98.148 attack
CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-05-23 00:30:04
37.49.226.250 attackbotsspam
port scan and connect, tcp 443 (https)
2020-05-23 00:36:35
142.93.52.3 attackbots
$f2bV_matches
2020-05-23 00:35:30

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