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 <<>> 21.99.103.212
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51625
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.99.103.212.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021902 1800 900 604800 86400

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 20 13:19:38 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 212.103.99.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 212.103.99.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.83.64.112 attack
Unauthorized connection attempt detected from IP address 45.83.64.112 to port 102
2020-07-09 05:08:05
37.49.224.125 attack
Unauthorized connection attempt detected from IP address 37.49.224.125 to port 80
2020-07-09 05:08:54
54.219.169.243 attack
Unauthorized connection attempt detected from IP address 54.219.169.243 to port 8443
2020-07-09 05:04:45
189.0.39.101 attack
Unauthorized connection attempt detected from IP address 189.0.39.101 to port 80
2020-07-09 04:54:21
195.142.152.98 attackbots
[Thu Jul 09 03:02:23.095616 2020] [:error] [pid 21049:tid 140046008297216] [client 195.142.152.98:51809] [client 195.142.152.98] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197:80"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XwYmT0ZHQkeMuHEP3neb5AAAAyw"]
...
2020-07-09 04:52:55
185.126.205.92 attack
Unauthorized connection attempt detected from IP address 185.126.205.92 to port 80
2020-07-09 04:40:44
73.91.124.220 attackspam
Unauthorized connection attempt detected from IP address 73.91.124.220 to port 23
2020-07-09 05:03:17
189.50.47.0 attackbotsspam
Unauthorized connection attempt detected from IP address 189.50.47.0 to port 23
2020-07-09 04:54:01
151.228.106.215 attack
Unauthorized connection attempt detected from IP address 151.228.106.215 to port 23
2020-07-09 04:57:17
189.58.149.74 attack
Unauthorized connection attempt detected from IP address 189.58.149.74 to port 80
2020-07-09 05:14:23
185.150.190.203 attackbotsspam
20/7/8@16:02:29: FAIL: Alarm-Network address from=185.150.190.203
20/7/8@16:02:29: FAIL: Alarm-Network address from=185.150.190.203
...
2020-07-09 04:37:33
13.56.181.225 attackspam
Tried our host z.
2020-07-09 05:10:20
170.106.80.52 attackbots
Unauthorized connection attempt detected from IP address 170.106.80.52 to port 7144
2020-07-09 04:55:41
54.185.97.163 attack
Unauthorized connection attempt detected from IP address 54.185.97.163 to port 8443
2020-07-09 04:46:37
114.35.44.253 attack
Jul  8 13:14:08 dignus sshd[12160]: Failed password for invalid user tai from 114.35.44.253 port 52707 ssh2
Jul  8 13:18:04 dignus sshd[12558]: Invalid user parker from 114.35.44.253 port 51081
Jul  8 13:18:04 dignus sshd[12558]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.35.44.253
Jul  8 13:18:05 dignus sshd[12558]: Failed password for invalid user parker from 114.35.44.253 port 51081 ssh2
Jul  8 13:21:56 dignus sshd[12935]: Invalid user yoonmo from 114.35.44.253 port 49455
...
2020-07-09 04:38:31

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