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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.19.204
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46254
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.204.			IN	A

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

;; Query time: 35 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:14:14 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 204.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 204.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
142.93.248.5 attackspambots
Jun 21 22:22:18 home sshd[31295]: Invalid user git from 142.93.248.5 port 37902
Jun 21 22:22:18 home sshd[31295]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.248.5
Jun 21 22:22:18 home sshd[31295]: Invalid user git from 142.93.248.5 port 37902
Jun 21 22:22:20 home sshd[31295]: Failed password for invalid user git from 142.93.248.5 port 37902 ssh2
Jun 21 22:25:33 home sshd[31313]: Invalid user cacti from 142.93.248.5 port 46270
Jun 21 22:25:33 home sshd[31313]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.248.5
Jun 21 22:25:33 home sshd[31313]: Invalid user cacti from 142.93.248.5 port 46270
Jun 21 22:25:35 home sshd[31313]: Failed password for invalid user cacti from 142.93.248.5 port 46270 ssh2
Jun 21 22:26:44 home sshd[31323]: Invalid user service from 142.93.248.5 port 32782
Jun 21 22:26:44 home sshd[31323]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.248.5
2019-06-22 17:22:41
186.193.30.18 attack
Jun 18 09:10:25 our-server-hostname postfix/smtpd[18441]: connect from unknown[186.193.30.18]
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun 18 09:10:29 our-server-hostname postfix/smtpd[18441]: lost connection after RCPT from unknown[186.193.30.18]
Jun 18 09:10:29 our-server-hostname postfix/smtpd[18441]: disconnect from unknown[186.193.30.18]
Jun 18 11:32:38 our-server-hostname postfix/smtpd[772]: connect from unknown[186.193.30.18]
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun 18 11:32:51 our-server-hostname postfix/smtpd[772]: lost connection after RCPT from unknown[186.193.30.18]
Jun 18 11:32:51 our-server-hostname postfix/smtpd[772]: disconnect from unknown[186.193.30.18]
Jun 18 12:08:06 our-server-hostname postfix/smtpd[11988]: connect from unknown[186.193.30.18]
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
Jun x@x
........
-------------------------------
2019-06-22 18:00:47
115.135.139.117 attackspambots
Jun 19 21:58:52 ntop sshd[7772]: Invalid user ts3server from 115.135.139.117 port 51815
Jun 19 21:58:54 ntop sshd[7772]: Failed password for invalid user ts3server from 115.135.139.117 port 51815 ssh2
Jun 19 21:58:54 ntop sshd[7772]: Received disconnect from 115.135.139.117 port 51815:11: Bye Bye [preauth]
Jun 19 21:58:54 ntop sshd[7772]: Disconnected from 115.135.139.117 port 51815 [preauth]
Jun 19 22:01:02 ntop sshd[9403]: Invalid user qi from 115.135.139.117 port 33459
Jun 19 22:01:04 ntop sshd[9403]: Failed password for invalid user qi from 115.135.139.117 port 33459 ssh2
Jun 19 22:01:04 ntop sshd[9403]: Received disconnect from 115.135.139.117 port 33459:11: Bye Bye [preauth]
Jun 19 22:01:04 ntop sshd[9403]: Disconnected from 115.135.139.117 port 33459 [preauth]
Jun 19 22:02:22 ntop sshd[15719]: Invalid user test from 115.135.139.117 port 40005
Jun 19 22:02:24 ntop sshd[15719]: Failed password for invalid user test from 115.135.139.117 port 40005 ssh2
Jun 19 22:02:........
-------------------------------
2019-06-22 18:02:48
185.53.88.45 attack
\[2019-06-22 05:36:08\] SECURITY\[1857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-22T05:36:08.244-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9441217900519",SessionID="0x7fc424036c88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.45/53046",ACLName="no_extension_match"
\[2019-06-22 05:37:47\] SECURITY\[1857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-22T05:37:47.774-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441217900519",SessionID="0x7fc424036c88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.45/54681",ACLName="no_extension_match"
\[2019-06-22 05:39:18\] SECURITY\[1857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-06-22T05:39:18.228-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011441217900519",SessionID="0x7fc424061c48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.45/57533",ACLName="no_extensi
2019-06-22 17:42:07
85.195.93.252 attackspam
Jun 21 16:36:16 mxgate1 postfix/postscreen[9125]: CONNECT from [85.195.93.252]:47810 to [176.31.12.44]:25
Jun 21 16:36:22 mxgate1 postfix/postscreen[9125]: PASS NEW [85.195.93.252]:47810
Jun 21 16:36:26 mxgate1 postfix/smtpd[9210]: connect from shancomm.com[85.195.93.252]
Jun x@x
Jun 21 16:36:27 mxgate1 postfix/smtpd[9210]: disconnect from shancomm.com[85.195.93.252] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 eclipset=1 quhostname=1 commands=6/8
Jun 21 16:43:28 mxgate1 postfix/postscreen[9125]: CONNECT from [85.195.93.252]:41973 to [176.31.12.44]:25
Jun 21 16:43:29 mxgate1 postfix/postscreen[9125]: PASS OLD [85.195.93.252]:41973
Jun 21 16:43:29 mxgate1 postfix/smtpd[9224]: connect from shancomm.com[85.195.93.252]
Jun x@x
Jun 21 16:43:29 mxgate1 postfix/smtpd[9224]: disconnect from shancomm.com[85.195.93.252] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 eclipset=1 quhostname=1 commands=6/8
Jun 21 16:50:37 mxgate1 postfix/postscreen[9125]: CONNECT from [85.195.93.252]:48950........
-------------------------------
2019-06-22 17:37:59
210.26.64.55 attackbots
19/6/22@00:27:22: FAIL: IoT-SSH address from=210.26.64.55
...
2019-06-22 17:51:51
118.26.64.58 attackspambots
vps1:sshd-InvalidUser
2019-06-22 18:12:29
52.231.25.242 attack
$f2bV_matches
2019-06-22 17:38:23
185.220.102.6 attack
Failed password for root from 185.220.102.6 port 34261 ssh2
Failed password for root from 185.220.102.6 port 34261 ssh2
error: maximum authentication attempts exceeded for root from 185.220.102.6 port 34261 ssh2 \[preauth\]
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.220.102.6  user=root
Failed password for root from 185.220.102.6 port 45139 ssh2
2019-06-22 17:46:35
180.251.221.167 attackbots
TCP port 445 (SMB) attempt blocked by firewall. [2019-06-22 06:25:23]
2019-06-22 18:09:53
171.241.60.190 attackspambots
SMB Server BruteForce Attack
2019-06-22 17:52:57
58.242.83.39 attack
Jun 22 03:56:28 aat-srv002 sshd[4356]: Failed password for root from 58.242.83.39 port 12283 ssh2
Jun 22 03:58:24 aat-srv002 sshd[4392]: Failed password for root from 58.242.83.39 port 49116 ssh2
Jun 22 04:01:16 aat-srv002 sshd[4444]: Failed password for root from 58.242.83.39 port 47209 ssh2
...
2019-06-22 17:23:42
81.22.45.165 attackbotsspam
Multiport scan : 15 ports scanned 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 30306 30315 30325 30353 30366
2019-06-22 17:55:18
143.208.249.21 attackbotsspam
Jun 21 23:27:02 mailman postfix/smtpd[30647]: warning: unknown[143.208.249.21]: SASL PLAIN authentication failed: authentication failure
2019-06-22 17:57:28
189.208.238.246 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-06-22 18:20:07

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