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: None

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 <<>> 104.21.12.37
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40097
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.37.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:10:22 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 37.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 37.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
157.230.144.85 attack
2019-08-26T13:38:12.421574abusebot-3.cloudsearch.cf sshd\[19621\]: Invalid user ubuntu from 157.230.144.85 port 53350
2019-08-26 22:03:37
103.28.57.86 attackbotsspam
Aug 26 04:10:26 auw2 sshd\[16687\]: Invalid user lz from 103.28.57.86
Aug 26 04:10:26 auw2 sshd\[16687\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.28.57.86
Aug 26 04:10:27 auw2 sshd\[16687\]: Failed password for invalid user lz from 103.28.57.86 port 49578 ssh2
Aug 26 04:15:37 auw2 sshd\[17133\]: Invalid user quincy from 103.28.57.86
Aug 26 04:15:37 auw2 sshd\[17133\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.28.57.86
2019-08-26 22:41:56
201.80.108.83 attackspam
Aug 26 15:58:40 localhost sshd\[14645\]: Invalid user mwang from 201.80.108.83 port 32442
Aug 26 15:58:40 localhost sshd\[14645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.80.108.83
Aug 26 15:58:42 localhost sshd\[14645\]: Failed password for invalid user mwang from 201.80.108.83 port 32442 ssh2
2019-08-26 22:00:07
189.212.3.151 attackspambots
Automatic report - Port Scan Attack
2019-08-26 22:28:33
106.75.210.147 attack
Invalid user johnf from 106.75.210.147 port 43120
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.210.147
Failed password for invalid user johnf from 106.75.210.147 port 43120 ssh2
Invalid user megan from 106.75.210.147 port 37390
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.210.147
2019-08-26 22:20:09
78.128.113.75 attack
Aug 26 14:36:12 mail postfix/smtpd\[16731\]: warning: unknown\[78.128.113.75\]: SASL PLAIN authentication failed: \
Aug 26 14:36:23 mail postfix/smtpd\[16731\]: warning: unknown\[78.128.113.75\]: SASL PLAIN authentication failed: \
Aug 26 15:08:50 mail postfix/smtpd\[18704\]: warning: unknown\[78.128.113.75\]: SASL PLAIN authentication failed: \
Aug 26 15:50:21 mail postfix/smtpd\[20853\]: warning: unknown\[78.128.113.75\]: SASL PLAIN authentication failed: \
2019-08-26 22:17:05
36.236.84.145 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2019-08-26 21:57:58
36.239.192.215 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2019-08-26 22:24:42
37.106.103.220 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2019-08-26 22:39:35
52.77.222.25 attack
52.77.222.25 - - - [26/Aug/2019:14:01:27 +0000] "GET /manager/html HTTP/1.1" 404 564 "-" "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)" "-" "-"
2019-08-26 22:04:45
51.254.99.208 attackspam
Aug 26 16:05:07 vps691689 sshd[11547]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.99.208
Aug 26 16:05:09 vps691689 sshd[11547]: Failed password for invalid user purple from 51.254.99.208 port 35752 ssh2
...
2019-08-26 22:43:37
51.255.174.215 attack
2019-08-26T13:55:08.226652abusebot-4.cloudsearch.cf sshd\[11812\]: Invalid user ftpuser from 51.255.174.215 port 46840
2019-08-26 22:09:49
36.239.186.206 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-08-26 22:17:43
103.61.198.114 attackspambots
Mail sent to address hacked/leaked from Last.fm
2019-08-26 23:00:56
125.163.230.220 attackbots
2019-08-26T14:08:33.291880abusebot.cloudsearch.cf sshd\[9364\]: Invalid user rtkit from 125.163.230.220 port 49180
2019-08-26 22:14:46

Recently Reported IPs

104.21.67.208 104.21.12.24 104.21.12.34 104.21.12.38
104.21.12.26 104.21.12.40 104.21.12.48 104.21.12.5
104.21.12.46 104.21.12.45 104.21.12.53 104.21.67.209
104.21.12.49 104.21.12.51 104.21.12.59 104.21.12.54
104.21.12.6 104.21.12.55 104.21.12.57 104.21.12.7