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 <<>> 104.21.19.243
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31608
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.243.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:14:20 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 243.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 243.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.244.16.171 attack
Jun 30 05:44:41 MK-Soft-Root2 sshd\[10473\]: Invalid user admin from 14.244.16.171 port 48983
Jun 30 05:44:41 MK-Soft-Root2 sshd\[10473\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.244.16.171
Jun 30 05:44:43 MK-Soft-Root2 sshd\[10473\]: Failed password for invalid user admin from 14.244.16.171 port 48983 ssh2
...
2019-06-30 13:37:36
210.120.112.18 attackbotsspam
Invalid user juanangel from 210.120.112.18 port 51088
2019-06-30 13:27:10
67.205.148.16 attackspambots
ZTE Router Exploit Scanner
2019-06-30 13:24:33
192.99.247.232 attack
Jun 30 06:57:22 giegler sshd[15447]: Invalid user patrol from 192.99.247.232 port 44424
Jun 30 06:57:24 giegler sshd[15447]: Failed password for invalid user patrol from 192.99.247.232 port 44424 ssh2
Jun 30 06:57:22 giegler sshd[15447]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.247.232
Jun 30 06:57:22 giegler sshd[15447]: Invalid user patrol from 192.99.247.232 port 44424
Jun 30 06:57:24 giegler sshd[15447]: Failed password for invalid user patrol from 192.99.247.232 port 44424 ssh2
2019-06-30 14:01:09
209.93.1.245 attackspambots
DATE:2019-06-30_05:45:20, IP:209.93.1.245, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)
2019-06-30 13:15:04
114.231.136.216 attackbots
2019-06-30T05:43:23.476816 X postfix/smtpd[41194]: warning: unknown[114.231.136.216]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-30T05:44:01.398916 X postfix/smtpd[47141]: warning: unknown[114.231.136.216]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-30T05:44:55.489962 X postfix/smtpd[49788]: warning: unknown[114.231.136.216]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-30 13:28:07
114.232.111.250 attack
2019-06-30T05:43:24.477596 X postfix/smtpd[41013]: warning: unknown[114.232.111.250]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-30T05:44:08.409846 X postfix/smtpd[47141]: warning: unknown[114.232.111.250]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-30T05:44:32.342722 X postfix/smtpd[49826]: warning: unknown[114.232.111.250]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-30 13:44:06
77.189.159.164 attackspam
23/tcp
[2019-06-30]1pkt
2019-06-30 13:12:42
186.116.245.239 attackspambots
Jun 30 03:39:31 euve59663 sshd[14850]: pam_unix(sshd:auth): authenticat=
ion failure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D186=
.116.245.239  user=3Dr.r
Jun 30 03:39:33 euve59663 sshd[14850]: Failed password for r.r from 18=
6.116.245.239 port 56507 ssh2
Jun 30 03:39:44 euve59663 sshd[14850]: PAM 5 more authentication failur=
es; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D186.116.245.=
239  user=3Dr.r
Jun 30 03:39:53 euve59663 sshd[14852]: pam_unix(sshd:auth): authenticat=
ion failure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D186=
.116.245.239  user=3Dr.r
Jun 30 03:39:55 euve59663 sshd[14852]: Failed password for r.r from 18=
6.116.245.239 port 56519 ssh2
Jun 30 03:40:02 euve59663 sshd[14852]: Failed password for r.r from 18=
6.116.245.239 port 56519 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=186.116.245.239
2019-06-30 13:17:18
94.191.68.83 attackspam
Jun 30 06:07:26 meumeu sshd[7949]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.68.83 
Jun 30 06:07:28 meumeu sshd[7949]: Failed password for invalid user il from 94.191.68.83 port 40722 ssh2
Jun 30 06:09:12 meumeu sshd[8160]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.68.83 
...
2019-06-30 13:21:22
203.205.28.187 attack
TCP port 445 (SMB) attempt blocked by firewall. [2019-06-30 05:44:09]
2019-06-30 13:08:51
34.232.62.57 attackspambots
Port scan on 1 port(s): 53
2019-06-30 13:26:04
139.199.122.210 attackbots
SSH invalid-user multiple login try
2019-06-30 13:25:13
123.115.52.76 attack
Jun 30 06:02:14 MainVPS sshd[30006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.115.52.76  user=root
Jun 30 06:02:17 MainVPS sshd[30006]: Failed password for root from 123.115.52.76 port 56962 ssh2
Jun 30 06:06:50 MainVPS sshd[30345]: Invalid user admin from 123.115.52.76 port 39496
Jun 30 06:06:50 MainVPS sshd[30345]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.115.52.76
Jun 30 06:06:50 MainVPS sshd[30345]: Invalid user admin from 123.115.52.76 port 39496
Jun 30 06:06:52 MainVPS sshd[30345]: Failed password for invalid user admin from 123.115.52.76 port 39496 ssh2
...
2019-06-30 14:03:25
182.155.86.157 attackbots
445/tcp
[2019-06-30]1pkt
2019-06-30 14:02:24

Recently Reported IPs

104.21.68.116 104.21.19.3 104.21.19.33 104.21.19.35
104.21.19.34 104.21.19.4 104.21.19.37 104.21.19.45
104.21.19.39 104.21.19.41 104.21.19.47 104.21.19.48
104.21.19.5 104.21.68.117 104.21.19.70 92.160.16.130
104.21.19.62 104.21.19.65 104.21.19.61 104.21.19.72