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 <<>> 103.21.191.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38940
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;103.21.191.19.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021800 1800 900 604800 86400

;; Query time: 38 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 19 00:06:06 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 19.191.21.103.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 19.191.21.103.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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221.176.201.228 attackspam
Brute force attempt
2019-06-26 05:26:07
51.254.96.71 attackspambots
RDPBruteFlS24
2019-06-26 05:43:32
111.75.167.157 attack
imap. Unknown user
2019-06-26 05:20:34
187.188.136.8 attack
Unauthorised access (Jun 25) SRC=187.188.136.8 LEN=40 TTL=241 ID=15041 TCP DPT=445 WINDOW=1024 SYN
2019-06-26 05:35:58
201.249.89.102 attack
Jun 25 20:17:55 [host] sshd[30907]: Invalid user peggy from 201.249.89.102
Jun 25 20:17:55 [host] sshd[30907]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.249.89.102
Jun 25 20:17:56 [host] sshd[30907]: Failed password for invalid user peggy from 201.249.89.102 port 56150 ssh2
2019-06-26 05:30:23
66.11.32.201 attackbots
imap. Unknown user
2019-06-26 05:22:37
85.9.207.115 attack
Unauthorized connection attempt from IP address 85.9.207.115 on Port 445(SMB)
2019-06-26 05:36:48
103.79.90.72 attackbotsspam
Jun 25 21:04:39 nextcloud sshd\[26536\]: Invalid user jens from 103.79.90.72
Jun 25 21:04:39 nextcloud sshd\[26536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.79.90.72
Jun 25 21:04:41 nextcloud sshd\[26536\]: Failed password for invalid user jens from 103.79.90.72 port 60229 ssh2
...
2019-06-26 05:41:05
178.32.114.11 attackspam
Imap
2019-06-26 05:31:15
190.122.109.114 attackspambots
Unauthorized connection attempt from IP address 190.122.109.114 on Port 445(SMB)
2019-06-26 05:44:08
201.159.52.237 attack
libpam_shield report: forced login attempt
2019-06-26 05:26:34
61.136.82.164 attackspambots
imap. Unknown user
2019-06-26 05:16:43
61.191.220.250 attackspam
imap. Unknown user
2019-06-26 05:28:18
190.10.8.97 attackbotsspam
445/tcp 445/tcp 445/tcp...
[2019-05-12/06-25]8pkt,1pt.(tcp)
2019-06-26 05:21:41
5.154.106.134 attackspam
NAME : LEBRON-NET CIDR : 5.154.106.0/24 DDoS attack Spain - block certain countries :) IP: 5.154.106.134  Denial-of-Service Attack (DoS) Detected and Blocked by ADMIN  - data recovery https://help-dysk.pl
2019-06-26 05:51:46

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