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 <<>> 104.21.72.199
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16709
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.199.			IN	A

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

;; Query time: 94 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:50:55 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 199.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 199.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
156.96.45.198 attackbotsspam
Aug  1 17:42:39 mail postfix/smtpd[37657]: warning: unknown[156.96.45.198]: SASL LOGIN authentication failed: generic failure
Aug  1 17:42:39 mail postfix/smtpd[37657]: warning: unknown[156.96.45.198]: SASL LOGIN authentication failed: generic failure
Aug  1 17:42:39 mail postfix/smtpd[37657]: warning: unknown[156.96.45.198]: SASL LOGIN authentication failed: generic failure
...
2020-08-02 02:13:06
79.23.11.203 attackspambots
Email rejected due to spam filtering
2020-08-02 02:21:01
49.183.56.164 attackbots
Email rejected due to spam filtering
2020-08-02 02:26:07
112.85.42.232 attack
Connection to SSH Honeypot - Detected by HoneypotDB
2020-08-02 02:04:12
222.186.175.23 attack
Aug  1 19:51:02 abendstille sshd\[599\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.23  user=root
Aug  1 19:51:04 abendstille sshd\[599\]: Failed password for root from 222.186.175.23 port 40252 ssh2
Aug  1 19:51:07 abendstille sshd\[599\]: Failed password for root from 222.186.175.23 port 40252 ssh2
Aug  1 19:51:08 abendstille sshd\[599\]: Failed password for root from 222.186.175.23 port 40252 ssh2
Aug  1 19:51:10 abendstille sshd\[832\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.23  user=root
...
2020-08-02 02:02:22
1.53.145.7 attackbots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-08-02 02:12:05
89.164.108.84 attackbots
Email rejected due to spam filtering
2020-08-02 02:30:54
178.62.47.158 attackspam
 TCP (SYN) 178.62.47.158:32767 -> port 8545, len 44
2020-08-02 02:15:59
177.40.244.73 attackspam
1596304478 - 08/02/2020 00:54:38 Host: 177.40.244.73.static.host.gvt.net.br/177.40.244.73 Port: 23 TCP Blocked
...
2020-08-02 02:31:25
36.111.182.49 attackbotsspam
14672/tcp 7250/tcp 2535/tcp...
[2020-06-22/07-31]29pkt,23pt.(tcp)
2020-08-02 02:05:07
5.69.61.155 attackspambots
Email rejected due to spam filtering
2020-08-02 02:26:57
151.20.65.16 attackspam
Email rejected due to spam filtering
2020-08-02 02:30:01
118.166.74.216 attack
23/tcp
[2020-08-01]1pkt
2020-08-02 02:23:11
103.242.200.22 attack
Brute-Force
2020-08-02 01:58:01
70.49.168.237 attackbotsspam
2020-07-31T12:25:06.710104correo.[domain] sshd[5729]: Failed password for root from 70.49.168.237 port 35124 ssh2 2020-07-31T12:28:28.612859correo.[domain] sshd[6414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=toroon474qw-lp140-03-70-49-168-237.dsl.bell.ca user=root 2020-07-31T12:28:30.582050correo.[domain] sshd[6414]: Failed password for root from 70.49.168.237 port 36574 ssh2 ...
2020-08-02 02:19:12

Recently Reported IPs

104.21.72.194 104.21.72.204 104.21.72.203 104.21.72.200
104.21.72.209 104.21.72.210 104.21.72.206 104.21.72.208
104.21.72.20 104.21.72.207 104.21.72.212 104.21.72.21
104.21.72.215 104.21.72.220 104.21.72.218 104.21.72.216
104.21.72.221 104.21.72.222 104.21.72.223 104.21.72.225