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: South Korea

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 <<>> 1.104.252.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21397
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;1.104.252.21.			IN	A

;; AUTHORITY SECTION:
.			548	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023092203 1800 900 604800 86400

;; Query time: 86 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Sep 23 07:59:04 CST 2023
;; MSG SIZE  rcvd: 105
Host info
Host 21.252.104.1.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.252.104.1.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
121.140.165.67 attack
Telnetd brute force attack detected by fail2ban
2019-11-09 01:59:54
62.159.228.138 attackspam
frenzy
2019-11-09 01:32:48
185.9.84.182 attack
postfix
2019-11-09 01:51:43
115.231.231.3 attack
Nov  8 14:37:09 *** sshd[17770]: User root from 115.231.231.3 not allowed because not listed in AllowUsers
2019-11-09 02:03:13
5.189.170.13 attack
Automatic report - SSH Brute-Force Attack
2019-11-09 02:03:34
5.135.66.184 attackspambots
Nov  8 18:50:41 host sshd[25554]: Invalid user rustserver from 5.135.66.184 port 35336
...
2019-11-09 01:51:12
195.24.61.7 attack
postfix (unknown user, SPF fail or relay access denied)
2019-11-09 01:42:29
51.68.251.201 attack
Nov  8 19:07:56 MK-Soft-VM6 sshd[26206]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.251.201 
Nov  8 19:07:58 MK-Soft-VM6 sshd[26206]: Failed password for invalid user ksb from 51.68.251.201 port 40354 ssh2
...
2019-11-09 02:08:08
84.244.180.7 attackbots
2019-11-08T18:44:32.234398mail01 postfix/smtpd[27942]: warning: opzetborstelshop.nl[84.244.180.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-08T18:44:36.309817mail01 postfix/smtpd[1761]: warning: opzetborstelshop.nl[84.244.180.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-08T18:48:07.349251mail01 postfix/smtpd[28735]: warning: opzetborstelshop.nl[84.244.180.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-09 01:53:06
27.74.149.230 attackbots
Brute force attempt
2019-11-09 01:44:58
149.56.96.78 attackbotsspam
Nov  8 15:34:18 SilenceServices sshd[4163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.96.78
Nov  8 15:34:19 SilenceServices sshd[4163]: Failed password for invalid user 123 from 149.56.96.78 port 33262 ssh2
Nov  8 15:37:59 SilenceServices sshd[6968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.96.78
2019-11-09 01:37:52
51.38.186.207 attackbotsspam
2019-11-08T16:49:49.293564abusebot-8.cloudsearch.cf sshd\[8350\]: Invalid user admin from 51.38.186.207 port 37366
2019-11-09 01:31:02
212.64.27.53 attackspambots
Nov  8 18:03:21 microserver sshd[7435]: Invalid user vps from 212.64.27.53 port 58906
Nov  8 18:03:21 microserver sshd[7435]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.27.53
Nov  8 18:03:22 microserver sshd[7435]: Failed password for invalid user vps from 212.64.27.53 port 58906 ssh2
Nov  8 18:09:46 microserver sshd[8146]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.27.53  user=root
Nov  8 18:09:48 microserver sshd[8146]: Failed password for root from 212.64.27.53 port 49784 ssh2
Nov  8 18:30:16 microserver sshd[11152]: Invalid user matt from 212.64.27.53 port 41168
Nov  8 18:30:16 microserver sshd[11152]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.27.53
Nov  8 18:30:18 microserver sshd[11152]: Failed password for invalid user matt from 212.64.27.53 port 41168 ssh2
Nov  8 18:37:06 microserver sshd[11947]: Invalid user epmd from 212.64.27.53 port 44714
Nov
2019-11-09 02:04:11
85.208.96.70 attack
[119:7:1] http_inspect: IIS UNICODE CODEPOINT ENCODING
2019-11-09 01:27:54
103.215.80.81 attackspam
Automatic report - Banned IP Access
2019-11-09 01:43:04

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