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 <<>> 104.21.21.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8563
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.139.			IN	A

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

;; Query time: 43 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:33:00 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 139.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 139.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
178.44.192.35 attack
19/11/10@09:45:58: FAIL: Alarm-Intrusion address from=178.44.192.35
19/11/10@09:45:59: FAIL: Alarm-Intrusion address from=178.44.192.35
...
2019-11-11 00:06:33
190.181.4.94 attackspam
Nov 10 15:46:03 pornomens sshd\[21686\]: Invalid user password from 190.181.4.94 port 33812
Nov 10 15:46:03 pornomens sshd\[21686\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.181.4.94
Nov 10 15:46:05 pornomens sshd\[21686\]: Failed password for invalid user password from 190.181.4.94 port 33812 ssh2
...
2019-11-10 23:57:39
128.106.164.190 attack
Unauthorized connection attempt from IP address 128.106.164.190 on Port 445(SMB)
2019-11-10 23:51:22
171.224.178.10 attack
Nov 10 15:30:09 mxgate1 postfix/postscreen[20780]: CONNECT from [171.224.178.10]:53278 to [176.31.12.44]:25
Nov 10 15:30:09 mxgate1 postfix/dnsblog[20781]: addr 171.224.178.10 listed by domain bl.spamcop.net as 127.0.0.2
Nov 10 15:30:09 mxgate1 postfix/dnsblog[20784]: addr 171.224.178.10 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Nov 10 15:30:09 mxgate1 postfix/dnsblog[20783]: addr 171.224.178.10 listed by domain cbl.abuseat.org as 127.0.0.2
Nov 10 15:30:09 mxgate1 postfix/dnsblog[20785]: addr 171.224.178.10 listed by domain zen.spamhaus.org as 127.0.0.4
Nov 10 15:30:09 mxgate1 postfix/dnsblog[20785]: addr 171.224.178.10 listed by domain zen.spamhaus.org as 127.0.0.11
Nov 10 15:30:09 mxgate1 postfix/dnsblog[20785]: addr 171.224.178.10 listed by domain zen.spamhaus.org as 127.0.0.3
Nov 10 15:30:09 mxgate1 postfix/dnsblog[20782]: addr 171.224.178.10 listed by domain b.barracudacentral.org as 127.0.0.2
Nov 10 15:30:15 mxgate1 postfix/postscreen[20780]: DNSBL rank 6 ........
-------------------------------
2019-11-10 23:53:17
167.71.219.30 attackbots
Nov 10 17:29:32 server sshd\[31111\]: User root from 167.71.219.30 not allowed because listed in DenyUsers
Nov 10 17:29:32 server sshd\[31111\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.219.30  user=root
Nov 10 17:29:34 server sshd\[31111\]: Failed password for invalid user root from 167.71.219.30 port 48900 ssh2
Nov 10 17:34:29 server sshd\[12329\]: Invalid user abusdal from 167.71.219.30 port 32932
Nov 10 17:34:29 server sshd\[12329\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.219.30
2019-11-10 23:42:57
185.71.81.155 attack
Unauthorized connection attempt from IP address 185.71.81.155 on Port 445(SMB)
2019-11-10 23:40:25
118.24.114.192 attack
2019-11-10T15:21:55.062959abusebot-3.cloudsearch.cf sshd\[19350\]: Invalid user dougg from 118.24.114.192 port 39878
2019-11-11 00:10:18
5.196.72.11 attackspam
Nov  7 23:34:15 dax sshd[25155]: Failed password for r.r from 5.196.72.11 port 40264 ssh2
Nov  7 23:34:15 dax sshd[25155]: Received disconnect from 5.196.72.11: 11: Bye Bye [preauth]
Nov  7 23:56:56 dax sshd[28418]: Invalid user arbgirl_phpbb1 from 5.196.72.11
Nov  7 23:56:58 dax sshd[28418]: Failed password for invalid user arbgirl_phpbb1 from 5.196.72.11 port 38110 ssh2
Nov  7 23:56:58 dax sshd[28418]: Received disconnect from 5.196.72.11: 11: Bye Bye [preauth]
Nov  8 00:01:26 dax sshd[29093]: Failed password for r.r from 5.196.72.11 port 50368 ssh2
Nov  8 00:01:26 dax sshd[29093]: Received disconnect from 5.196.72.11: 11: Bye Bye [preauth]
Nov  8 00:05:46 dax sshd[29750]: Invalid user web from 5.196.72.11
Nov  8 00:05:48 dax sshd[29750]: Failed password for invalid user web from 5.196.72.11 port 34348 ssh2
Nov  8 00:05:48 dax sshd[29750]: Received disconnect from 5.196.72.11: 11: Bye Bye [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=5.196.72.1
2019-11-11 00:19:06
222.186.175.215 attackbots
Nov 10 16:28:19 mail sshd[1766]: Failed password for root from 222.186.175.215 port 65314 ssh2
Nov 10 16:28:24 mail sshd[1766]: Failed password for root from 222.186.175.215 port 65314 ssh2
Nov 10 16:28:28 mail sshd[1766]: Failed password for root from 222.186.175.215 port 65314 ssh2
Nov 10 16:28:31 mail sshd[1766]: Failed password for root from 222.186.175.215 port 65314 ssh2
2019-11-10 23:37:46
171.224.204.195 attackbotsspam
Unauthorized connection attempt from IP address 171.224.204.195 on Port 445(SMB)
2019-11-11 00:11:26
145.255.162.130 attack
Nov 10 15:28:26 mxgate1 postfix/postscreen[20780]: CONNECT from [145.255.162.130]:37266 to [176.31.12.44]:25
Nov 10 15:28:26 mxgate1 postfix/dnsblog[20781]: addr 145.255.162.130 listed by domain cbl.abuseat.org as 127.0.0.2
Nov 10 15:28:26 mxgate1 postfix/dnsblog[20782]: addr 145.255.162.130 listed by domain zen.spamhaus.org as 127.0.0.4
Nov 10 15:28:26 mxgate1 postfix/dnsblog[20782]: addr 145.255.162.130 listed by domain zen.spamhaus.org as 127.0.0.11
Nov 10 15:28:26 mxgate1 postfix/dnsblog[20785]: addr 145.255.162.130 listed by domain b.barracudacentral.org as 127.0.0.2
Nov 10 15:28:26 mxgate1 postfix/postscreen[20780]: PREGREET 23 after 0.2 from [145.255.162.130]:37266: EHLO [145.255.160.72]

Nov 10 15:28:26 mxgate1 postfix/postscreen[20780]: DNSBL rank 4 for [145.255.162.130]:37266
Nov x@x
Nov 10 15:28:27 mxgate1 postfix/postscreen[20780]: HANGUP after 0.9 from [145.255.162.130]:37266 in tests after SMTP handshake
Nov 10 15:28:27 mxgate1 postfix/postscreen[20780]: D........
-------------------------------
2019-11-10 23:44:18
45.91.149.54 attackbots
Nov 11 00:15:25 our-server-hostname postfix/smtpd[1407]: connect from unknown[45.91.149.54]
Nov 11 00:15:28 our-server-hostname postfix/smtpd[1161]: connect from unknown[45.91.149.54]
Nov x@x
Nov x@x
Nov 11 00:15:30 our-server-hostname postfix/smtpd[1161]: 44B74A40041: client=unknown[45.91.149.54]
Nov x@x
Nov x@x
Nov 11 00:15:30 our-server-hostname postfix/smtpd[1407]: 4770CA40095: client=unknown[45.91.149.54]
Nov 11 00:15:30 our-server-hostname postfix/smtpd[31863]: B5911A40096: client=unknown[127.0.0.1], orig_client=unknown[45.91.149.54]
Nov 11 00:15:30 our-server-hostname amavis[28801]: (28801-11) Passed CLEAN, [45.91.149.54] [45.91.149.54] , mail_id: l19rXm01NxAG, Hhostnames: -, size: 6184, queued_as: B5911A40096, 112 ms
Nov x@x
Nov x@x
Nov 11 00:15:31 our-server-hostname postfix/smtpd[1161]: 04FECA40041: client=unknown[45.91.149.54]
Nov 11 00:15:31 our-server-hostname postfix/smtpd[31863]: 1CC0CA40096: client=unknown[127.0.0.1], orig_client=unknown[45.91.149.5........
-------------------------------
2019-11-10 23:40:53
27.62.113.219 attack
Unauthorized connection attempt from IP address 27.62.113.219 on Port 445(SMB)
2019-11-10 23:57:16
203.195.171.126 attack
2019-11-10T15:47:23.541228abusebot-5.cloudsearch.cf sshd\[26649\]: Invalid user rodger from 203.195.171.126 port 40663
2019-11-10 23:48:55
159.89.188.167 attackbotsspam
Nov 10 16:48:25 MK-Soft-Root2 sshd[9169]: Failed password for root from 159.89.188.167 port 53158 ssh2
...
2019-11-10 23:53:49

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