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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.39.140
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48550
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.140.			IN	A

;; AUTHORITY SECTION:
.			579	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 82 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 10:02:22 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 140.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 140.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
77.247.181.162 attackspam
Sep 19 20:11:30 prox sshd[4185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.247.181.162 
Sep 19 20:11:32 prox sshd[4185]: Failed password for invalid user admin from 77.247.181.162 port 48954 ssh2
2020-09-20 02:30:24
144.217.85.124 attack
Sep 19 18:57:06 gospond sshd[10895]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.85.124  user=root
Sep 19 18:57:07 gospond sshd[10895]: Failed password for root from 144.217.85.124 port 38812 ssh2
...
2020-09-20 02:26:26
79.137.39.102 attackspam
79.137.39.102 - - [19/Sep/2020:17:53:27 +0200] "POST /xmlrpc.php HTTP/1.1" 403 10784 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
79.137.39.102 - - [19/Sep/2020:17:53:48 +0200] "POST /xmlrpc.php HTTP/1.1" 403 207615 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-09-20 02:29:33
141.98.100.83 attackspam
m247.com spam
2020-09-20 02:32:05
45.124.146.138 attackspambots
CMS (WordPress or Joomla) login attempt.
2020-09-20 02:48:58
165.227.133.181 attack
 TCP (SYN) 165.227.133.181:45858 -> port 28378, len 44
2020-09-20 02:53:49
107.170.57.221 attack
SSH invalid-user multiple login attempts
2020-09-20 02:30:08
34.77.52.62 attackspambots
20 attempts against mh-misbehave-ban on web2
2020-09-20 02:27:20
78.94.181.182 attackbotsspam
Sep 19 18:36:12 powerpi2 sshd[733]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.94.181.182
Sep 19 18:36:12 powerpi2 sshd[733]: Invalid user user from 78.94.181.182 port 59344
Sep 19 18:36:14 powerpi2 sshd[733]: Failed password for invalid user user from 78.94.181.182 port 59344 ssh2
...
2020-09-20 02:52:57
220.132.219.244 attack
Port Scan detected!
...
2020-09-20 02:45:45
195.158.8.206 attackspam
$f2bV_matches
2020-09-20 02:35:53
221.225.92.187 attack
Brute forcing email accounts
2020-09-20 02:40:41
95.169.6.47 attackspam
SSH Brute-Force attacks
2020-09-20 02:20:48
189.189.226.136 attackspambots
Automatic report - Port Scan Attack
2020-09-20 02:40:14
80.82.77.235 attackspam
Sep 19 01:29:29   TCP Attack: SRC=80.82.77.235 DST=[Masked] LEN=40 TOS=0x08 PREC=0x20 TTL=246  PROTO=TCP SPT=58968 DPT=6446 WINDOW=1024 RES=0x00 SYN URGP=0
2020-09-20 02:43:00

Recently Reported IPs

144.26.6.42 104.21.39.148 104.21.39.157 104.21.39.161
104.21.39.190 42.117.60.36 104.21.39.20 104.21.39.201
195.239.216.64 104.21.39.209 104.21.39.225 104.21.39.233
104.21.39.249 203.16.123.227 104.21.39.27 104.21.39.46
104.21.39.52 104.21.39.91 104.21.39.97 104.21.4.110