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 <<>> 104.21.39.240
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32780
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.240.			IN	A

;; AUTHORITY SECTION:
.			412	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:27:42 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 240.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 240.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
219.159.14.44 attackspambots
Unauthorized connection attempt detected from IP address 219.159.14.44 to port 1433
2020-04-10 18:23:12
104.248.126.170 attack
Apr 10 12:41:38 sso sshd[24716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.126.170
Apr 10 12:41:40 sso sshd[24716]: Failed password for invalid user ts3 from 104.248.126.170 port 35504 ssh2
...
2020-04-10 18:42:59
111.40.50.116 attack
$f2bV_matches
2020-04-10 18:23:34
106.12.10.21 attackbots
$f2bV_matches
2020-04-10 18:44:11
222.186.175.167 attackspambots
Apr 10 12:45:35 silence02 sshd[19094]: Failed password for root from 222.186.175.167 port 59336 ssh2
Apr 10 12:45:49 silence02 sshd[19094]: error: maximum authentication attempts exceeded for root from 222.186.175.167 port 59336 ssh2 [preauth]
Apr 10 12:45:56 silence02 sshd[19100]: Failed password for root from 222.186.175.167 port 64012 ssh2
2020-04-10 18:54:45
58.56.33.221 attackspam
Apr 10 11:53:15 vpn01 sshd[10147]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.56.33.221
Apr 10 11:53:16 vpn01 sshd[10147]: Failed password for invalid user kms from 58.56.33.221 port 49856 ssh2
...
2020-04-10 18:37:47
175.143.48.197 attackbotsspam
trying to access non-authorized port
2020-04-10 18:51:32
148.70.72.242 attackspam
$f2bV_matches
2020-04-10 18:45:46
58.246.88.50 attack
SSH Authentication Attempts Exceeded
2020-04-10 18:29:31
64.90.36.114 attack
Wordpress Admin Login attack
2020-04-10 18:34:32
219.76.200.27 attack
(sshd) Failed SSH login from 219.76.200.27 (HK/Hong Kong/n219076200027.netvigator.com): 5 in the last 3600 secs
2020-04-10 18:20:22
51.158.96.229 attackbotsspam
Apr 10 12:19:39 host sshd[45042]: Invalid user grid from 51.158.96.229 port 54894
...
2020-04-10 18:50:03
222.186.30.167 attackspambots
Apr 10 06:40:31 plusreed sshd[9956]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.167  user=root
Apr 10 06:40:32 plusreed sshd[9956]: Failed password for root from 222.186.30.167 port 35612 ssh2
...
2020-04-10 18:45:16
31.184.177.6 attack
Apr  9 23:48:56 pixelmemory sshd[19720]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.184.177.6
Apr  9 23:48:58 pixelmemory sshd[19720]: Failed password for invalid user glassfish1 from 31.184.177.6 port 52552 ssh2
Apr  9 23:59:26 pixelmemory sshd[21068]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.184.177.6
...
2020-04-10 18:31:41
45.188.97.34 attackspam
Email rejected due to spam filtering
2020-04-10 18:55:32

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