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 <<>> 104.21.4.124
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54407
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.124.			IN	A

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

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:44:21 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 124.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 124.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
93.99.159.100 attack
Aug 16 05:44:25 mail.srvfarm.net postfix/smtps/smtpd[1890605]: warning: unknown[93.99.159.100]: SASL PLAIN authentication failed: 
Aug 16 05:44:25 mail.srvfarm.net postfix/smtps/smtpd[1890605]: lost connection after AUTH from unknown[93.99.159.100]
Aug 16 05:50:14 mail.srvfarm.net postfix/smtps/smtpd[1890600]: warning: unknown[93.99.159.100]: SASL PLAIN authentication failed: 
Aug 16 05:50:14 mail.srvfarm.net postfix/smtps/smtpd[1890600]: lost connection after AUTH from unknown[93.99.159.100]
Aug 16 05:53:50 mail.srvfarm.net postfix/smtpd[1907645]: warning: unknown[93.99.159.100]: SASL PLAIN authentication failed:
2020-08-16 12:27:09
177.54.251.17 attackspambots
Aug 16 05:17:18 mail.srvfarm.net postfix/smtps/smtpd[1888391]: warning: unknown[177.54.251.17]: SASL PLAIN authentication failed: 
Aug 16 05:17:18 mail.srvfarm.net postfix/smtps/smtpd[1888391]: lost connection after AUTH from unknown[177.54.251.17]
Aug 16 05:18:18 mail.srvfarm.net postfix/smtps/smtpd[1887810]: warning: unknown[177.54.251.17]: SASL PLAIN authentication failed: 
Aug 16 05:18:20 mail.srvfarm.net postfix/smtps/smtpd[1887810]: lost connection after AUTH from unknown[177.54.251.17]
Aug 16 05:20:45 mail.srvfarm.net postfix/smtpd[1888510]: warning: unknown[177.54.251.17]: SASL PLAIN authentication failed:
2020-08-16 13:00:11
177.85.19.115 attack
Aug 16 05:30:35 mail.srvfarm.net postfix/smtpd[1888510]: warning: 115-19-85-177.netvale.psi.br[177.85.19.115]: SASL PLAIN authentication failed: 
Aug 16 05:30:36 mail.srvfarm.net postfix/smtpd[1888510]: lost connection after AUTH from 115-19-85-177.netvale.psi.br[177.85.19.115]
Aug 16 05:31:02 mail.srvfarm.net postfix/smtpd[1888822]: warning: 115-19-85-177.netvale.psi.br[177.85.19.115]: SASL PLAIN authentication failed: 
Aug 16 05:31:02 mail.srvfarm.net postfix/smtpd[1888822]: lost connection after AUTH from 115-19-85-177.netvale.psi.br[177.85.19.115]
Aug 16 05:36:25 mail.srvfarm.net postfix/smtps/smtpd[1888715]: warning: 115-19-85-177.netvale.psi.br[177.85.19.115]: SASL PLAIN authentication failed:
2020-08-16 12:59:49
81.163.14.44 attackbotsspam
Aug 16 05:37:10 mail.srvfarm.net postfix/smtpd[1906871]: warning: 81-163-14-44.net.lasnet.pl[81.163.14.44]: SASL PLAIN authentication failed: 
Aug 16 05:37:10 mail.srvfarm.net postfix/smtpd[1906871]: lost connection after AUTH from 81-163-14-44.net.lasnet.pl[81.163.14.44]
Aug 16 05:40:32 mail.srvfarm.net postfix/smtpd[1906871]: warning: unknown[81.163.14.44]: SASL PLAIN authentication failed: 
Aug 16 05:40:32 mail.srvfarm.net postfix/smtpd[1906871]: lost connection after AUTH from unknown[81.163.14.44]
Aug 16 05:41:10 mail.srvfarm.net postfix/smtps/smtpd[1907180]: warning: 81-163-14-44.net.lasnet.pl[81.163.14.44]: SASL PLAIN authentication failed:
2020-08-16 12:28:48
187.102.16.199 attackspam
Aug 16 05:31:07 mail.srvfarm.net postfix/smtpd[1887224]: warning: unknown[187.102.16.199]: SASL PLAIN authentication failed: 
Aug 16 05:31:07 mail.srvfarm.net postfix/smtpd[1887224]: lost connection after AUTH from unknown[187.102.16.199]
Aug 16 05:35:15 mail.srvfarm.net postfix/smtpd[1888503]: warning: unknown[187.102.16.199]: SASL PLAIN authentication failed: 
Aug 16 05:35:16 mail.srvfarm.net postfix/smtpd[1888503]: lost connection after AUTH from unknown[187.102.16.199]
Aug 16 05:38:18 mail.srvfarm.net postfix/smtpd[1907574]: warning: unknown[187.102.16.199]: SASL PLAIN authentication failed:
2020-08-16 12:40:39
45.172.99.197 attackbots
Aug 16 05:35:57 mail.srvfarm.net postfix/smtps/smtpd[1890438]: warning: unknown[45.172.99.197]: SASL PLAIN authentication failed: 
Aug 16 05:35:57 mail.srvfarm.net postfix/smtps/smtpd[1890438]: lost connection after AUTH from unknown[45.172.99.197]
Aug 16 05:36:46 mail.srvfarm.net postfix/smtps/smtpd[1888763]: warning: unknown[45.172.99.197]: SASL PLAIN authentication failed: 
Aug 16 05:36:47 mail.srvfarm.net postfix/smtps/smtpd[1888763]: lost connection after AUTH from unknown[45.172.99.197]
Aug 16 05:40:15 mail.srvfarm.net postfix/smtps/smtpd[1907644]: warning: unknown[45.172.99.197]: SASL PLAIN authentication failed:
2020-08-16 12:34:00
103.237.56.186 attack
Aug 16 05:45:42 mail.srvfarm.net postfix/smtpd[1907841]: warning: unknown[103.237.56.186]: SASL PLAIN authentication failed: 
Aug 16 05:45:42 mail.srvfarm.net postfix/smtpd[1907841]: lost connection after AUTH from unknown[103.237.56.186]
Aug 16 05:54:30 mail.srvfarm.net postfix/smtps/smtpd[1909403]: warning: unknown[103.237.56.186]: SASL PLAIN authentication failed: 
Aug 16 05:54:30 mail.srvfarm.net postfix/smtps/smtpd[1909403]: lost connection after AUTH from unknown[103.237.56.186]
Aug 16 05:54:48 mail.srvfarm.net postfix/smtps/smtpd[1907611]: warning: unknown[103.237.56.186]: SASL PLAIN authentication failed:
2020-08-16 12:24:18
103.25.134.143 attack
Aug 16 05:33:23 mail.srvfarm.net postfix/smtpd[1888511]: warning: unknown[103.25.134.143]: SASL PLAIN authentication failed: 
Aug 16 05:33:23 mail.srvfarm.net postfix/smtpd[1888511]: lost connection after AUTH from unknown[103.25.134.143]
Aug 16 05:42:23 mail.srvfarm.net postfix/smtps/smtpd[1907644]: warning: unknown[103.25.134.143]: SASL PLAIN authentication failed: 
Aug 16 05:42:23 mail.srvfarm.net postfix/smtps/smtpd[1907644]: lost connection after AUTH from unknown[103.25.134.143]
Aug 16 05:43:06 mail.srvfarm.net postfix/smtps/smtpd[1890437]: warning: unknown[103.25.134.143]: SASL PLAIN authentication failed:
2020-08-16 12:26:19
87.204.167.252 attackbotsspam
Aug 16 05:39:23 mail.srvfarm.net postfix/smtpd[1907805]: warning: unknown[87.204.167.252]: SASL PLAIN authentication failed: 
Aug 16 05:39:23 mail.srvfarm.net postfix/smtpd[1907805]: lost connection after AUTH from unknown[87.204.167.252]
Aug 16 05:44:44 mail.srvfarm.net postfix/smtpd[1908054]: warning: unknown[87.204.167.252]: SASL PLAIN authentication failed: 
Aug 16 05:44:44 mail.srvfarm.net postfix/smtpd[1908054]: lost connection after AUTH from unknown[87.204.167.252]
Aug 16 05:47:05 mail.srvfarm.net postfix/smtps/smtpd[1888391]: warning: unknown[87.204.167.252]: SASL PLAIN authentication failed:
2020-08-16 12:28:01
203.106.41.10 attackspam
Aug 16 05:56:39 db sshd[21430]: User root from 203.106.41.10 not allowed because none of user's groups are listed in AllowGroups
...
2020-08-16 12:48:48
82.177.202.99 attackspambots
Aug 16 05:38:19 mail.srvfarm.net postfix/smtpd[1888511]: warning: unknown[82.177.202.99]: SASL PLAIN authentication failed: 
Aug 16 05:38:19 mail.srvfarm.net postfix/smtpd[1888511]: lost connection after AUTH from unknown[82.177.202.99]
Aug 16 05:42:39 mail.srvfarm.net postfix/smtpd[1908054]: warning: unknown[82.177.202.99]: SASL PLAIN authentication failed: 
Aug 16 05:42:39 mail.srvfarm.net postfix/smtpd[1908054]: lost connection after AUTH from unknown[82.177.202.99]
Aug 16 05:47:10 mail.srvfarm.net postfix/smtpd[1907800]: warning: unknown[82.177.202.99]: SASL PLAIN authentication failed:
2020-08-16 12:28:25
80.82.155.100 attack
Aug 16 05:33:31 mail.srvfarm.net postfix/smtps/smtpd[1887810]: warning: unknown[80.82.155.100]: SASL PLAIN authentication failed: 
Aug 16 05:33:31 mail.srvfarm.net postfix/smtps/smtpd[1887810]: lost connection after AUTH from unknown[80.82.155.100]
Aug 16 05:37:22 mail.srvfarm.net postfix/smtps/smtpd[1890437]: warning: unknown[80.82.155.100]: SASL PLAIN authentication failed: 
Aug 16 05:37:22 mail.srvfarm.net postfix/smtps/smtpd[1890437]: lost connection after AUTH from unknown[80.82.155.100]
Aug 16 05:43:13 mail.srvfarm.net postfix/smtps/smtpd[1907611]: warning: unknown[80.82.155.100]: SASL PLAIN authentication failed:
2020-08-16 12:29:48
222.186.30.35 attack
Aug 16 05:34:37 rocket sshd[15948]: Failed password for root from 222.186.30.35 port 57211 ssh2
Aug 16 05:34:48 rocket sshd[15967]: Failed password for root from 222.186.30.35 port 18720 ssh2
...
2020-08-16 12:37:45
61.161.250.202 attack
Aug 15 18:27:30 auw2 sshd\[26486\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.161.250.202  user=root
Aug 15 18:27:31 auw2 sshd\[26486\]: Failed password for root from 61.161.250.202 port 33166 ssh2
Aug 15 18:31:15 auw2 sshd\[26771\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.161.250.202  user=root
Aug 15 18:31:16 auw2 sshd\[26771\]: Failed password for root from 61.161.250.202 port 43728 ssh2
Aug 15 18:34:53 auw2 sshd\[27010\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.161.250.202  user=root
2020-08-16 12:52:26
2002:c1a9:fd88::c1a9:fd88 attackspam
Aug 16 05:34:58 web01.agentur-b-2.de postfix/smtpd[4152294]: warning: unknown[2002:c1a9:fd88::c1a9:fd88]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 05:34:58 web01.agentur-b-2.de postfix/smtpd[4152294]: lost connection after AUTH from unknown[2002:c1a9:fd88::c1a9:fd88]
Aug 16 05:38:14 web01.agentur-b-2.de postfix/smtpd[4171816]: warning: unknown[2002:c1a9:fd88::c1a9:fd88]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 05:38:14 web01.agentur-b-2.de postfix/smtpd[4171816]: lost connection after AUTH from unknown[2002:c1a9:fd88::c1a9:fd88]
Aug 16 05:39:09 web01.agentur-b-2.de postfix/smtpd[4171816]: warning: unknown[2002:c1a9:fd88::c1a9:fd88]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-08-16 12:35:02

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