104.21.51.138 - IPInfo

Basic Info

City: unknown

Region: unknown

Country: None

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:

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Comments on same subnet:

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Whois info:

Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.51.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41241
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.138.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:35:28 CST 2022
;; MSG SIZE  rcvd: 106

Host info

Host 138.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.51.21.104.in-addr.arpa: NXDOMAIN

Related IP info:

Related comments:

IP	Type	Details	Datetime
46.166.151.47	attack	\[2019-07-23 21:02:47\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-23T21:02:47.072-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900246812400638",SessionID="0x7f06f804c2c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/51208",ACLName="no_extension_match" \[2019-07-23 21:08:59\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-23T21:08:59.243-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900246462607533",SessionID="0x7f06f83e80f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/59037",ACLName="no_extension_match" \[2019-07-23 21:10:19\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-23T21:10:19.135-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900246363302946",SessionID="0x7f06f8009f28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/53420",ACLName="no_	2019-07-24 09:46:05
81.12.13.169	attack	Jul 24 03:16:42 rpi sshd[5602]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.12.13.169 Jul 24 03:16:44 rpi sshd[5602]: Failed password for invalid user andres from 81.12.13.169 port 45036 ssh2	2019-07-24 09:34:52
31.166.42.161	attackspambots	TCP Port: 25 _ invalid blocked abuseat-org spamcop _ _ _ _ (1018)	2019-07-24 09:47:32
104.248.154.165	attackspambots	Automatic report - Banned IP Access	2019-07-24 09:50:54
222.252.93.129	attackbotsspam	Lines containing failures of 222.252.93.129 Jul 23 21:46:19 shared12 sshd[1302]: Invalid user admin from 222.252.93.129 port 55480 Jul 23 21:46:19 shared12 sshd[1302]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.252.93.129 Jul 23 21:46:21 shared12 sshd[1302]: Failed password for invalid user admin from 222.252.93.129 port 55480 ssh2 ........ ----------------------------------------------- https://www.blocklist.de/en/view.html?ip=222.252.93.129	2019-07-24 09:31:59
183.146.209.68	attackspam	Invalid user desktop from 183.146.209.68 port 41817	2019-07-24 10:09:11
187.21.36.119	attack	Jul 23 22:00:48 mxgate1 postfix/postscreen[8780]: CONNECT from [187.21.36.119]:42288 to [176.31.12.44]:25 Jul 23 22:00:48 mxgate1 postfix/dnsblog[8867]: addr 187.21.36.119 listed by domain bl.spamcop.net as 127.0.0.2 Jul 23 22:00:48 mxgate1 postfix/dnsblog[8870]: addr 187.21.36.119 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2 Jul 23 22:00:48 mxgate1 postfix/dnsblog[8868]: addr 187.21.36.119 listed by domain zen.spamhaus.org as 127.0.0.11 Jul 23 22:00:48 mxgate1 postfix/dnsblog[8868]: addr 187.21.36.119 listed by domain zen.spamhaus.org as 127.0.0.4 Jul 23 22:00:48 mxgate1 postfix/dnsblog[8871]: addr 187.21.36.119 listed by domain cbl.abuseat.org as 127.0.0.2 Jul 23 22:00:48 mxgate1 postfix/dnsblog[8869]: addr 187.21.36.119 listed by domain b.barracudacentral.org as 127.0.0.2 Jul 23 22:00:54 mxgate1 postfix/postscreen[8780]: DNSBL rank 6 for [187.21.36.119]:42288 Jul x@x Jul 23 22:00:56 mxgate1 postfix/postscreen[8780]: HANGUP after 1.1 from [187.21.36.119]:42288 in........ -------------------------------	2019-07-24 10:05:17
2001:41d0:52:a00::e3d	attackbots	xmlrpc attack	2019-07-24 10:13:28
185.24.124.209	attackspam	Lines containing failures of 185.24.124.209 Jul 23 21:46:38 omfg postfix/smtpd[24136]: connect from unknown[185.24.124.209] Jul x@x Jul 23 21:46:50 omfg postfix/smtpd[24136]: lost connection after DATA from unknown[185.24.124.209] Jul 23 21:46:50 omfg postfix/smtpd[24136]: disconnect from unknown[185.24.124.209] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4 ........ ----------------------------------------------- https://www.blocklist.de/en/view.html?ip=185.24.124.209	2019-07-24 09:46:38
103.112.44.46	attackbots	2019-07-23 15:13:56 H=(littleblackdress.it) [103.112.44.46]:38470 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS) 2019-07-23 15:13:56 H=(littleblackdress.it) [103.112.44.46]:38470 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/sbl/query/SBLCSS) 2019-07-23 15:13:57 H=(littleblackdress.it) [103.112.44.46]:38470 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/103.112.44.46) ...	2019-07-24 09:28:16
54.38.177.170	attackspambots	Jul 24 03:20:45 dedicated sshd[21906]: Invalid user schneider from 54.38.177.170 port 60114	2019-07-24 09:42:09
111.207.253.225	attackbots	Bruteforce on smtp	2019-07-24 09:25:58
86.191.61.55	attackspambots	Automatic report - Port Scan Attack	2019-07-24 10:10:31
79.179.51.38	attackbots	Jul 23 21:56:00 h2034429 postfix/smtpd[7779]: connect from bzq-79-179-51-38.red.bezeqint.net[79.179.51.38] Jul x@x Jul 23 21:56:00 h2034429 postfix/smtpd[7779]: lost connection after DATA from bzq-79-179-51-38.red.bezeqint.net[79.179.51.38] Jul 23 21:56:00 h2034429 postfix/smtpd[7779]: disconnect from bzq-79-179-51-38.red.bezeqint.net[79.179.51.38] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4 Jul 23 21:56:09 h2034429 postfix/smtpd[7779]: connect from bzq-79-179-51-38.red.bezeqint.net[79.179.51.38] Jul x@x Jul 23 21:56:09 h2034429 postfix/smtpd[7779]: lost connection after DATA from bzq-79-179-51-38.red.bezeqint.net[79.179.51.38] Jul 23 21:56:09 h2034429 postfix/smtpd[7779]: disconnect from bzq-79-179-51-38.red.bezeqint.net[79.179.51.38] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4 Jul 23 21:56:13 h2034429 postfix/smtpd[7779]: connect from bzq-79-179-51-38.red.bezeqint.net[79.179.51.38] Jul x@x Jul 23 21:56:14 h2034429 postfix/smtpd[7779]: lost connection after DATA from........ -------------------------------	2019-07-24 10:08:03
36.84.100.230	attackbots	proto=tcp . spt=46257 . dpt=25 . (listed on Blocklist de Jul 23) (1022)	2019-07-24 09:31:31

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