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 <<>> 104.21.17.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57791
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.17.6.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:22:27 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 6.17.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 6.17.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
58.219.90.61 attack
lfd: (smtpauth) Failed SMTP AUTH login from 58.219.90.61 (CN/China/-): 5 in the last 3600 secs - Tue Dec 18 06:45:10 2018
2020-02-07 09:51:54
79.138.37.5 attackspam
SSH login attempts
2020-02-07 09:26:37
113.123.33.134 attackbots
lfd: (smtpauth) Failed SMTP AUTH login from 113.123.33.134 (CN/China/-): 5 in the last 3600 secs - Mon Dec 17 18:51:24 2018
2020-02-07 09:56:31
182.253.184.20 attack
2019-11-12T03:40:24.825267suse-nuc sshd[23765]: Invalid user roide from 182.253.184.20 port 52578
...
2020-02-07 09:28:45
191.96.249.153 attackbotsspam
lfd: (smtpauth) Failed SMTP AUTH login from 191.96.249.153 (-): 5 in the last 3600 secs - Mon Dec 17 09:32:43 2018
2020-02-07 10:00:40
59.148.173.231 attackbots
2019-09-20T19:55:05.434942suse-nuc sshd[4466]: Invalid user zini from 59.148.173.231 port 33504
...
2020-02-07 09:57:06
89.44.68.78 attackbotsspam
lfd: (smtpauth) Failed SMTP AUTH login from 89.44.68.78 (-): 5 in the last 3600 secs - Wed Dec 19 22:08:45 2018
2020-02-07 09:40:48
183.88.76.136 attackspambots
lfd: (smtpauth) Failed SMTP AUTH login from 183.88.76.136 (mx-ll-183.88.76-136.dynamic.3bb.co.th): 5 in the last 3600 secs - Wed Dec 19 22:12:52 2018
2020-02-07 09:36:34
85.105.155.249 attack
lfd: (smtpauth) Failed SMTP AUTH login from 85.105.155.249 (85.105.155.249.static.ttnet.com.tr): 5 in the last 3600 secs - Sat Dec 22 07:41:22 2018
2020-02-07 09:25:49
106.13.57.55 attack
Lines containing failures of 106.13.57.55
Feb  5 06:28:36 shared01 sshd[7604]: Invalid user ericmar from 106.13.57.55 port 41862
Feb  5 06:28:36 shared01 sshd[7604]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.57.55
Feb  5 06:28:38 shared01 sshd[7604]: Failed password for invalid user ericmar from 106.13.57.55 port 41862 ssh2
Feb  5 06:28:38 shared01 sshd[7604]: Received disconnect from 106.13.57.55 port 41862:11: Bye Bye [preauth]
Feb  5 06:28:38 shared01 sshd[7604]: Disconnected from invalid user ericmar 106.13.57.55 port 41862 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.13.57.55
2020-02-07 09:54:47
41.58.82.192 attackbotsspam
lfd: (smtpauth) Failed SMTP AUTH login from 41.58.82.192 (-): 5 in the last 3600 secs - Mon Dec 24 04:20:10 2018
2020-02-07 09:20:04
80.82.70.239 attackspam
Feb  7 01:32:26 debian-2gb-nbg1-2 kernel: \[3294789.903604\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=80.82.70.239 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=8907 PROTO=TCP SPT=54048 DPT=3005 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-07 09:26:19
184.170.16.169 attackbots
lfd: (smtpauth) Failed SMTP AUTH login from 184.170.16.169 (digijmres-169-16-170-184.digicelbroadband.com): 5 in the last 3600 secs - Wed Dec 19 22:11:36 2018
2020-02-07 09:38:31
202.166.201.226 attackbotsspam
firewall-block, port(s): 1433/tcp
2020-02-07 09:21:56
193.77.243.73 attackspam
Automatic report - Port Scan Attack
2020-02-07 09:16:32

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