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 <<>> 104.21.21.105
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46111
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.105.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:52:43 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 105.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 105.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
158.69.58.45 attackbots
Port scan on 1 port(s): 53
2020-01-10 02:59:56
119.200.89.107 attackbotsspam
Unauthorized connection attempt detected from IP address 119.200.89.107 to port 80
2020-01-10 03:21:44
113.236.123.104 attackbots
Telnet/23 MH Probe, BF, Hack -
2020-01-10 03:02:29
114.99.14.112 attack
Jan  9 13:50:43 mxgate1 postfix/postscreen[1105]: CONNECT from [114.99.14.112]:64732 to [176.31.12.44]:25
Jan  9 13:50:43 mxgate1 postfix/dnsblog[1164]: addr 114.99.14.112 listed by domain zen.spamhaus.org as 127.0.0.11
Jan  9 13:50:43 mxgate1 postfix/dnsblog[1164]: addr 114.99.14.112 listed by domain zen.spamhaus.org as 127.0.0.4
Jan  9 13:50:43 mxgate1 postfix/dnsblog[1163]: addr 114.99.14.112 listed by domain cbl.abuseat.org as 127.0.0.2
Jan  9 13:50:43 mxgate1 postfix/dnsblog[1160]: addr 114.99.14.112 listed by domain b.barracudacentral.org as 127.0.0.2
Jan  9 13:50:44 mxgate1 postfix/postscreen[1105]: PREGREET 14 after 0.26 from [114.99.14.112]:64732: EHLO IHR2prK

Jan  9 13:50:44 mxgate1 postfix/postscreen[1105]: DNSBL rank 4 for [114.99.14.112]:64732
Jan  9 13:50:45 mxgate1 postfix/postscreen[1105]: NOQUEUE: reject: RCPT from [114.99.14.112]:64732: 550 5.7.1 Service unavailable; client [114.99.14.112] blocked using zen.spamhaus.org; from=x@x helo=


........
-----------------------------------
2020-01-10 03:18:58
139.159.241.186 attack
Unauthorized connection attempt detected from IP address 139.159.241.186 to port 22 [T]
2020-01-10 02:46:23
125.212.159.144 attack
Lines containing failures of 125.212.159.144


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=125.212.159.144
2020-01-10 02:52:49
45.55.157.147 attackbots
Oct 25 17:35:32 odroid64 sshd\[4570\]: Invalid user admin from 45.55.157.147
Oct 25 17:35:32 odroid64 sshd\[4570\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.157.147
Nov 11 17:43:10 odroid64 sshd\[5477\]: User ftp from 45.55.157.147 not allowed because not listed in AllowUsers
Nov 11 17:43:10 odroid64 sshd\[5477\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.157.147  user=ftp
Nov 24 08:24:17 odroid64 sshd\[23538\]: Invalid user ftpuser from 45.55.157.147
Nov 24 08:24:17 odroid64 sshd\[23538\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.157.147
...
2020-01-10 03:12:54
193.11.91.42 attackspam
Jan  9 13:38:25 v26 sshd[23200]: Did not receive identification string from 193.11.91.42 port 36212
Jan  9 13:38:25 v26 sshd[23202]: Did not receive identification string from 193.11.91.42 port 54530
Jan  9 13:38:42 v26 sshd[23229]: Invalid user akari from 193.11.91.42 port 45068
Jan  9 13:38:42 v26 sshd[23228]: Invalid user akari from 193.11.91.42 port 40052
Jan  9 13:38:43 v26 sshd[23228]: Failed password for invalid user akari from 193.11.91.42 port 40052 ssh2
Jan  9 13:38:43 v26 sshd[23228]: Received disconnect from 193.11.91.42 port 40052:11: Bye Bye [preauth]
Jan  9 13:38:43 v26 sshd[23228]: Disconnected from 193.11.91.42 port 40052 [preauth]
Jan  9 13:38:43 v26 sshd[23229]: Failed password for invalid user akari from 193.11.91.42 port 45068 ssh2
Jan  9 13:38:43 v26 sshd[23229]: Received disconnect from 193.11.91.42 port 45068:11: Bye Bye [preauth]
Jan  9 13:38:43 v26 sshd[23229]: Disconnected from 193.11.91.42 port 45068 [preauth]
Jan  9 13:38:57 v26 sshd[23274]:........
-------------------------------
2020-01-10 02:45:04
181.171.20.168 attack
Jan  9 15:15:35 ip-172-31-62-245 sshd\[14647\]: Invalid user testftp9 from 181.171.20.168\
Jan  9 15:15:37 ip-172-31-62-245 sshd\[14647\]: Failed password for invalid user testftp9 from 181.171.20.168 port 47773 ssh2\
Jan  9 15:19:57 ip-172-31-62-245 sshd\[14707\]: Invalid user debian from 181.171.20.168\
Jan  9 15:19:58 ip-172-31-62-245 sshd\[14707\]: Failed password for invalid user debian from 181.171.20.168 port 18560 ssh2\
Jan  9 15:24:24 ip-172-31-62-245 sshd\[14787\]: Invalid user admin from 181.171.20.168\
2020-01-10 03:20:46
1.53.117.213 attackbots
Telnet/23 MH Probe, BF, Hack -
2020-01-10 02:48:29
117.199.232.240 attackspambots
Telnet/23 MH Probe, BF, Hack -
2020-01-10 03:10:51
51.79.70.223 attackbots
Too many connections or unauthorized access detected from Arctic banned ip
2020-01-10 03:00:41
109.108.213.59 attack
Telnet/23 MH Probe, BF, Hack -
2020-01-10 02:57:00
35.159.40.89 attack
US_Amazon
A100_<177>1578574999 [1:2403332:54498] ET CINS Active Threat Intelligence Poor Reputation IP TCP group 17 [Classification: Misc Attack] [Priority: 2] {TCP} 35.159.40.89:45154
2020-01-10 03:11:32
189.176.0.16 attackbotsspam
Jan  9 14:37:20 master sshd[21008]: Failed password for invalid user admin from 189.176.0.16 port 56168 ssh2
2020-01-10 03:16:30

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