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: Korea Republic of

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 <<>> 39.17.105.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23401
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;39.17.105.21.			IN	A

;; AUTHORITY SECTION:
.			1138	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019090601 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sat Sep 07 11:47:34 CST 2019
;; MSG SIZE  rcvd: 116
Host info
Host 21.105.17.39.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 21.105.17.39.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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Unauthorized connection attempt from IP address 5.139.191.139 on Port 445(SMB)
2019-11-23 03:24:05
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Nov 22 20:38:58 vpn01 sshd[11497]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.32.141
Nov 22 20:39:00 vpn01 sshd[11497]: Failed password for invalid user trolle from 51.75.32.141 port 58022 ssh2
...
2019-11-23 03:58:49
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Unauthorized connection attempt from IP address 36.70.184.94 on Port 445(SMB)
2019-11-23 03:37:56
14.232.160.55 attackbotsspam
Unauthorized connection attempt from IP address 14.232.160.55 on Port 445(SMB)
2019-11-23 03:44:19
58.240.218.198 attack
Nov 22 18:17:55 eventyay sshd[17255]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.240.218.198
Nov 22 18:17:57 eventyay sshd[17255]: Failed password for invalid user minns from 58.240.218.198 port 44358 ssh2
Nov 22 18:21:02 eventyay sshd[17298]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.240.218.198
...
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Unauthorized connection attempt from IP address 177.54.132.202 on Port 445(SMB)
2019-11-23 03:48:08
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Unauthorized connection attempt from IP address 183.83.161.18 on Port 445(SMB)
2019-11-23 03:47:31
185.176.27.18 attackspambots
11/22/2019-14:58:22.263673 185.176.27.18 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-11-23 04:03:47
180.76.102.136 attack
Automatic report - Banned IP Access
2019-11-23 03:27:44
121.23.30.198 attackbotsspam
badbot
2019-11-23 03:56:44
189.213.149.87 attack
Automatic report - Port Scan Attack
2019-11-23 04:02:19
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2019-11-23 03:54:45
60.173.46.225 attackbots
badbot
2019-11-23 03:29:03

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