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: IANA Special-Purpose Address

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 <<>> 243.234.99.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54440
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;243.234.99.21.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012700 1800 900 604800 86400

;; Query time: 37 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jan 27 23:36:23 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.99.234.243.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.99.234.243.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.166.198.24 attack
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2020-05-20 05:51:16
113.161.211.205 attackspam
 TCP (SYN) 113.161.211.205:35331 -> port 22, len 52
2020-05-20 06:00:41
92.112.57.229 attackbotsspam
 TCP (SYN) 92.112.57.229:25909 -> port 23, len 40
2020-05-20 06:07:06
84.205.181.134 attackbotsspam
 TCP (SYN) 84.205.181.134:42176 -> port 25, len 60
2020-05-20 06:19:56
213.217.0.201 attack
Port scan
2020-05-20 05:49:27
194.38.2.64 attackbots
 TCP (SYN) 194.38.2.64:55794 -> port 445, len 52
2020-05-20 06:24:02
187.116.113.228 attackspam
1589880533 - 05/19/2020 11:28:53 Host: 187.116.113.228/187.116.113.228 Port: 445 TCP Blocked
2020-05-20 06:13:49
187.214.35.176 attackbots
 TCP (SYN) 187.214.35.176:60058 -> port 23, len 44
2020-05-20 06:13:21
220.130.103.13 attackspambots
 TCP (SYN) 220.130.103.13:63848 -> port 23, len 40
2020-05-20 05:59:38
36.232.120.99 attackbotsspam
 TCP (SYN) 36.232.120.99:2163 -> port 8080, len 40
2020-05-20 06:23:06
5.202.143.106 attackbotsspam
 TCP (SYN) 5.202.143.106:15616 -> port 23, len 40
2020-05-20 05:59:09
171.237.156.85 attack
 TCP (SYN) 171.237.156.85:54846 -> port 445, len 52
2020-05-20 05:47:54
121.122.123.95 attack
 TCP (SYN) 121.122.123.95:13379 -> port 21, len 52
2020-05-20 05:57:13
83.143.148.197 attackspambots
60001/tcp 23/tcp 5555/tcp...
[2020-04-18/05-18]7pkt,3pt.(tcp)
2020-05-20 06:04:50
84.205.181.132 attack
 TCP (SYN) 84.205.181.132:43803 -> port 25, len 60
2020-05-20 06:20:22

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