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 (the 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 <<>> 39.21.252.135
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22852
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;39.21.252.135.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025011101 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 12 12:51:16 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 135.252.21.39.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 135.252.21.39.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.88.112.113 attackspambots
[MK-VM5] SSH login failed
2020-04-24 12:44:39
101.71.51.192 attack
Apr 24 00:53:50 ws12vmsma01 sshd[45744]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.71.51.192  user=root
Apr 24 00:53:51 ws12vmsma01 sshd[45744]: Failed password for root from 101.71.51.192 port 42142 ssh2
Apr 24 00:56:45 ws12vmsma01 sshd[46192]: Invalid user upload from 101.71.51.192
...
2020-04-24 13:09:03
106.75.90.101 attackbots
Lines containing failures of 106.75.90.101
Apr 23 17:55:53 kmh-sql-001-nbg01 sshd[31252]: Invalid user ib from 106.75.90.101 port 37244
Apr 23 17:55:53 kmh-sql-001-nbg01 sshd[31252]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.90.101 
Apr 23 17:55:56 kmh-sql-001-nbg01 sshd[31252]: Failed password for invalid user ib from 106.75.90.101 port 37244 ssh2
Apr 23 17:55:57 kmh-sql-001-nbg01 sshd[31252]: Received disconnect from 106.75.90.101 port 37244:11: Bye Bye [preauth]
Apr 23 17:55:57 kmh-sql-001-nbg01 sshd[31252]: Disconnected from invalid user ib 106.75.90.101 port 37244 [preauth]
Apr 23 18:14:17 kmh-sql-001-nbg01 sshd[2891]: Invalid user wx from 106.75.90.101 port 52978
Apr 23 18:14:17 kmh-sql-001-nbg01 sshd[2891]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.90.101 
Apr 23 18:14:19 kmh-sql-001-nbg01 sshd[2891]: Failed password for invalid user wx from 106.75.90.101 port........
------------------------------
2020-04-24 12:45:39
62.4.14.123 attackspambots
04/24/2020-01:13:25.158835 62.4.14.123 Protocol: 17 ET SCAN Sipvicious Scan
2020-04-24 13:17:53
185.198.56.213 attackbotsspam
scanner
2020-04-24 13:10:21
223.100.167.105 attackbotsspam
Apr 24 09:18:28 gw1 sshd[6189]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.100.167.105
Apr 24 09:18:29 gw1 sshd[6189]: Failed password for invalid user test from 223.100.167.105 port 37499 ssh2
...
2020-04-24 13:03:03
186.146.1.122 attack
Apr 24 07:07:41 srv01 sshd[10290]: Invalid user ck from 186.146.1.122 port 42142
Apr 24 07:07:41 srv01 sshd[10290]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.146.1.122
Apr 24 07:07:41 srv01 sshd[10290]: Invalid user ck from 186.146.1.122 port 42142
Apr 24 07:07:43 srv01 sshd[10290]: Failed password for invalid user ck from 186.146.1.122 port 42142 ssh2
Apr 24 07:12:30 srv01 sshd[10771]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.146.1.122  user=root
Apr 24 07:12:32 srv01 sshd[10771]: Failed password for root from 186.146.1.122 port 57726 ssh2
...
2020-04-24 13:17:38
117.121.214.50 attackspam
Invalid user es from 117.121.214.50 port 54502
2020-04-24 13:12:38
222.186.52.39 attackbotsspam
2020-04-24T06:40:38.904622vps751288.ovh.net sshd\[9560\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.39  user=root
2020-04-24T06:40:40.642493vps751288.ovh.net sshd\[9560\]: Failed password for root from 222.186.52.39 port 21044 ssh2
2020-04-24T06:40:42.606641vps751288.ovh.net sshd\[9560\]: Failed password for root from 222.186.52.39 port 21044 ssh2
2020-04-24T06:40:45.179460vps751288.ovh.net sshd\[9560\]: Failed password for root from 222.186.52.39 port 21044 ssh2
2020-04-24T06:40:48.421369vps751288.ovh.net sshd\[9562\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.39  user=root
2020-04-24 12:45:12
34.92.237.74 attackspam
Invalid user ftpuser from 34.92.237.74 port 39678
2020-04-24 12:48:53
104.236.125.98 attackbotsspam
Apr 23 18:45:15 sachi sshd\[10079\]: Invalid user oracle from 104.236.125.98
Apr 23 18:45:15 sachi sshd\[10079\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.125.98
Apr 23 18:45:17 sachi sshd\[10079\]: Failed password for invalid user oracle from 104.236.125.98 port 53993 ssh2
Apr 23 18:49:05 sachi sshd\[10457\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.125.98  user=root
Apr 23 18:49:07 sachi sshd\[10457\]: Failed password for root from 104.236.125.98 port 60538 ssh2
2020-04-24 12:49:43
149.56.132.202 attackbotsspam
Fail2Ban Ban Triggered
2020-04-24 13:16:56
1.2.255.182 attack
bruteforce detected
2020-04-24 12:45:53
222.186.175.169 attack
Apr 24 06:52:43 santamaria sshd\[15619\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.169  user=root
Apr 24 06:52:45 santamaria sshd\[15619\]: Failed password for root from 222.186.175.169 port 22908 ssh2
Apr 24 06:52:48 santamaria sshd\[15619\]: Failed password for root from 222.186.175.169 port 22908 ssh2
...
2020-04-24 12:54:11
185.50.149.16 attack
Apr 24 07:37:48 takio postfix/smtpd[10343]: lost connection after AUTH from unknown[185.50.149.16]
Apr 24 07:37:54 takio postfix/smtpd[10343]: lost connection after AUTH from unknown[185.50.149.16]
Apr 24 07:38:00 takio postfix/smtpd[10343]: lost connection after AUTH from unknown[185.50.149.16]
2020-04-24 12:56:03

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