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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.19.156
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26701
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.156.			IN	A

;; AUTHORITY SECTION:
.			108	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:14:06 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 156.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 156.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
47.176.39.218 attackspam
Apr  3 15:15:52 srv206 sshd[26968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=static-47-176-39-218.lsan.ca.frontiernet.net  user=root
Apr  3 15:15:54 srv206 sshd[26968]: Failed password for root from 47.176.39.218 port 48889 ssh2
...
2020-04-03 21:49:26
190.85.171.126 attack
Apr  3 15:53:41 srv206 sshd[27137]: Invalid user nginx from 190.85.171.126
Apr  3 15:53:41 srv206 sshd[27137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.85.171.126
Apr  3 15:53:41 srv206 sshd[27137]: Invalid user nginx from 190.85.171.126
Apr  3 15:53:43 srv206 sshd[27137]: Failed password for invalid user nginx from 190.85.171.126 port 42660 ssh2
...
2020-04-03 21:56:39
122.144.134.27 attackspambots
2020-04-03T15:34:03.205217struts4.enskede.local sshd\[13755\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.144.134.27  user=root
2020-04-03T15:34:06.628396struts4.enskede.local sshd\[13755\]: Failed password for root from 122.144.134.27 port 5447 ssh2
2020-04-03T15:36:45.498438struts4.enskede.local sshd\[13795\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.144.134.27  user=root
2020-04-03T15:36:48.281595struts4.enskede.local sshd\[13795\]: Failed password for root from 122.144.134.27 port 5448 ssh2
2020-04-03T15:42:43.277004struts4.enskede.local sshd\[13911\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.144.134.27  user=root
...
2020-04-03 22:15:08
222.186.180.6 attackbotsspam
2020-04-03T14:08:54.527799abusebot.cloudsearch.cf sshd[30875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.6  user=root
2020-04-03T14:08:56.869733abusebot.cloudsearch.cf sshd[30875]: Failed password for root from 222.186.180.6 port 1400 ssh2
2020-04-03T14:09:00.752427abusebot.cloudsearch.cf sshd[30875]: Failed password for root from 222.186.180.6 port 1400 ssh2
2020-04-03T14:08:54.527799abusebot.cloudsearch.cf sshd[30875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.6  user=root
2020-04-03T14:08:56.869733abusebot.cloudsearch.cf sshd[30875]: Failed password for root from 222.186.180.6 port 1400 ssh2
2020-04-03T14:09:00.752427abusebot.cloudsearch.cf sshd[30875]: Failed password for root from 222.186.180.6 port 1400 ssh2
2020-04-03T14:08:54.527799abusebot.cloudsearch.cf sshd[30875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.1
...
2020-04-03 22:22:32
222.186.175.23 botsattack
Apr  3 19:59:25 VS01UK sshd[25103]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.23  user=root
Apr  3 19:59:27 VS01UK sshd[25103]: Failed password for root from 222.186.175.23 port 49588 ssh2
Apr  3 19:59:30 VS01UK sshd[25103]: Failed password for root from 222.186.175.23 port 49588 ssh2
Apr  3 19:59:34 VS01UK sshd[25103]: Failed password for root from 222.186.175.23 port 49588 ssh2
2020-04-03 22:37:20
108.160.199.217 attackbots
$f2bV_matches | Triggered by Fail2Ban at Vostok web server
2020-04-03 22:42:35
113.175.103.213 attackspambots
Attempt to attack host OS, exploiting network vulnerabilities, on 03-04-2020 14:00:10.
2020-04-03 22:19:42
61.160.251.82 attackbots
thinkphp
2020-04-03 22:31:37
183.83.75.200 attackbots
Unauthorized connection attempt from IP address 183.83.75.200 on Port 445(SMB)
2020-04-03 22:17:43
173.198.228.4 attackspambots
Automatically reported by fail2ban report script (powermetal_old)
2020-04-03 22:10:23
111.241.138.215 attackbots
Unauthorized connection attempt from IP address 111.241.138.215 on Port 445(SMB)
2020-04-03 21:48:52
45.134.179.57 attackspam
firewall-block, port(s): 689/tcp, 793/tcp, 1087/tcp, 1093/tcp, 1388/tcp, 1590/tcp, 1987/tcp, 1996/tcp, 2187/tcp, 2482/tcp, 3593/tcp
2020-04-03 22:37:01
129.226.50.78 attackspam
Apr  3 16:17:43 hosting sshd[18329]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.50.78  user=root
Apr  3 16:17:45 hosting sshd[18329]: Failed password for root from 129.226.50.78 port 40188 ssh2
Apr  3 16:21:35 hosting sshd[18910]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.50.78  user=root
Apr  3 16:21:37 hosting sshd[18910]: Failed password for root from 129.226.50.78 port 45206 ssh2
...
2020-04-03 21:54:20
187.50.124.218 attackbots
Unauthorized connection attempt from IP address 187.50.124.218 on Port 445(SMB)
2020-04-03 22:05:37
64.227.68.68 attackspambots
[2020-04-03 09:46:02] NOTICE[12114] chan_sip.c: Registration from '' failed for '64.227.68.68:40190' - Wrong password
[2020-04-03 09:46:02] SECURITY[12128] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-03T09:46:02.678-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="201",SessionID="0x7f020c0b1098",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.227.68.68/40190",Challenge="6437b6dd",ReceivedChallenge="6437b6dd",ReceivedHash="805bd4e8ca195c639988a63c861762ca"
[2020-04-03 09:47:20] NOTICE[12114] chan_sip.c: Registration from '' failed for '64.227.68.68:54874' - Wrong password
[2020-04-03 09:47:20] SECURITY[12128] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-04-03T09:47:20.765-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1011",SessionID="0x7f020c088288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.227.68.68/5
...
2020-04-03 21:55:17

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