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 <<>> 104.21.12.173
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 65365
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.173.			IN	A

;; AUTHORITY SECTION:
.			257	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:30:13 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 173.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 173.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
113.221.29.21 attackspam
TCP port 23 (Telnet) attempt blocked by firewall. [2019-07-30 14:06:34]
2019-07-31 06:26:51
45.58.55.104 attackspambots
Jul 30 07:57:22 ACSRAD auth.info sshd[11401]: Invalid user rat from 45.58.55.104 port 36862
Jul 30 07:57:22 ACSRAD auth.info sshd[11401]: Failed password for invalid user rat from 45.58.55.104 port 36862 ssh2
Jul 30 07:57:22 ACSRAD auth.info sshd[11401]: Received disconnect from 45.58.55.104 port 36862:11: Bye Bye [preauth]
Jul 30 07:57:22 ACSRAD auth.notice sshguard[31199]: Attack from "45.58.55.104" on service 100 whostnameh danger 10.
Jul 30 07:57:22 ACSRAD auth.notice sshguard[31199]: Attack from "45.58.55.104" on service 100 whostnameh danger 10.
Jul 30 07:57:22 ACSRAD auth.notice sshguard[31199]: Attack from "45.58.55.104" on service 100 whostnameh danger 10.
Jul 30 07:57:22 ACSRAD auth.warn sshguard[31199]: Blocking "45.58.55.104/32" for 120 secs (3 attacks in 0 secs, after 1 abuses over 0 secs.)
Jul 30 07:57:22 ACSRAD auth.info sshd[11401]: Disconnected from 45.58.55.104 port 36862 [preauth]
Jul 30 08:02:59 ACSRAD auth.info sshd[14649]: Invalid user ze from 45.58........
------------------------------
2019-07-31 06:32:21
86.92.15.107 attack
Received: from mail.planet.nl (unknown [86.92.15.107])
	by smtp.kpnmail.nl (Halon) with SMTP
2019-07-31 06:24:33
5.8.75.20 attackspam
9200/tcp
[2019-07-30]1pkt
2019-07-31 06:33:43
200.1.221.28 attack
dovecot jail - smtp auth [ma]
2019-07-31 06:52:38
123.31.43.162 attack
WordPress (CMS) attack attempts.
Date: 2019 Jul 30. 23:34:49
Source IP: 123.31.43.162

Portion of the log(s):
123.31.43.162 - [30/Jul/2019:23:34:49 +0200] "POST /wp-login.php HTTP/1.1" 404 118 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
123.31.43.162 - [30/Jul/2019:23:34:48 +0200] "GET /wp-login.php HTTP/1.1" 404 118 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
123.31.43.162 - [30/Jul/2019:23:34:47 +0200] "POST /wp-login.php HTTP/1.1" 404 118 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
123.31.43.162 - [30/Jul/2019:23:34:46 +0200] "GET /wp-login.php HTTP/1.1" 404 118 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
123.31.43.162 - [30/Jul/2019:23:34:45 +0200] "POST /wp-login.php HTTP/1.1" 404 118 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
123.31.43.162 - [30/Jul/2019:23:34:44 +0200] "GET /wp-login.php
2019-07-31 06:51:25
91.102.167.204 attackbotsspam
Jul 30 21:05:26 our-server-hostname postfix/smtpd[15222]: connect from unknown[91.102.167.204]
Jul 30 21:05:29 our-server-hostname sqlgrey: grey: new: 91.102.167.204(91.102.167.204), x@x -> x@x
Jul x@x
Jul x@x
Jul x@x
Jul 30 21:05:30 our-server-hostname sqlgrey: grey: new: 91.102.167.204(91.102.167.204), x@x -> x@x
Jul x@x
Jul x@x
Jul x@x
Jul 30 21:05:31 our-server-hostname postfix/smtpd[15222]: disconnect from unknown[91.102.167.204]
Jul 30 21:05:52 our-server-hostname postfix/smtpd[15192]: connect from unknown[91.102.167.204]
Jul 30 21:05:53 our-server-hostname sqlgrey: grey: new: 91.102.167.204(91.102.167.204), x@x -> x@x
Jul x@x
Jul x@x
Jul x@x
Jul 30 21:05:54 our-server-hostname sqlgrey: grey: new: 91.102.167.204(91.102.167.204), x@x -> x@x
Jul x@x
Jul x@x
Jul x@x
Jul 30 21:05:55 our-server-hostname postfix/smtpd[15192]: disconnect from unknown[91.102.167.204]
Jul 30 21:10:39 our-server-hostname postfix/smtpd[17494]: connect from unknown[91.102.167.204]
Jul x@x
Jul........
-------------------------------
2019-07-31 06:13:16
69.94.140.118 attackbotsspam
TCP src-port=59437   dst-port=25    zen-spamhaus spam-sorbs megarbl         (828)
2019-07-31 06:18:05
199.87.154.255 attackspam
Jul 31 00:09:14 h2177944 sshd\[868\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.87.154.255  user=root
Jul 31 00:09:16 h2177944 sshd\[868\]: Failed password for root from 199.87.154.255 port 18197 ssh2
Jul 31 00:09:18 h2177944 sshd\[868\]: Failed password for root from 199.87.154.255 port 18197 ssh2
Jul 31 00:09:22 h2177944 sshd\[870\]: Invalid user maint from 199.87.154.255 port 20781
Jul 31 00:09:22 h2177944 sshd\[870\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.87.154.255
...
2019-07-31 06:23:29
123.22.43.104 attack
Spam Timestamp : 30-Jul-19 12:08 _ BlockList Provider  combined abuse _ (829)
2019-07-31 06:11:51
117.93.53.207 attackbotsspam
TCP port 23 (Telnet) attempt blocked by firewall. [2019-07-30 14:05:18]
2019-07-31 06:28:50
63.83.73.168 attackbotsspam
Autoban   63.83.73.168 AUTH/CONNECT
2019-07-31 06:47:50
113.22.101.144 attackspambots
23/tcp
[2019-07-30]1pkt
2019-07-31 06:36:15
180.180.244.170 attackspambots
Jul 31 01:39:30 srv-4 sshd\[11252\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.180.244.170  user=postgres
Jul 31 01:39:32 srv-4 sshd\[11252\]: Failed password for postgres from 180.180.244.170 port 56996 ssh2
Jul 31 01:44:39 srv-4 sshd\[11437\]: Invalid user coupon from 180.180.244.170
Jul 31 01:44:39 srv-4 sshd\[11437\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.180.244.170
...
2019-07-31 06:53:50
34.77.92.242 attackspambots
3389BruteforceFW23
2019-07-31 06:26:00

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