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: None

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.57.209
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59643
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.209.			IN	A

;; AUTHORITY SECTION:
.			196	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022001 1800 900 604800 86400

;; Query time: 41 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 21 05:24:31 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 209.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 209.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
175.113.235.76 attack
Unauthorised access (Jan 30) SRC=175.113.235.76 LEN=40 PREC=0x20 TTL=53 ID=43978 TCP DPT=8080 WINDOW=63731 SYN 
Unauthorised access (Jan 29) SRC=175.113.235.76 LEN=40 PREC=0x20 TTL=53 ID=57873 TCP DPT=8080 WINDOW=63731 SYN
2020-01-30 09:56:48
180.249.180.70 attackbotsspam
Unauthorized connection attempt from IP address 180.249.180.70 on Port 445(SMB)
2020-01-30 09:27:45
112.85.42.188 attackspam
01/29/2020-21:00:35.587624 112.85.42.188 Protocol: 6 ET SCAN Potential SSH Scan
2020-01-30 10:01:15
131.72.222.167 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-01-30 09:34:54
178.128.158.75 attackspambots
RDP Bruteforce
2020-01-30 09:47:34
14.230.138.156 attackspambots
Unauthorized connection attempt from IP address 14.230.138.156 on Port 445(SMB)
2020-01-30 09:42:52
111.206.222.34 attackbotsspam
The IP has triggered Cloudflare WAF. CF-Ray: 558ec365dd30992f | WAF_Rule_ID: 100204 | WAF_Kind: firewall | CF_Action: drop | Country: CN | CF_IPClass: whitelist | Protocol: HTTP/1.1 | Method: GET | Host: img.skk.moe | User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html) | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).
2020-01-30 09:32:49
2.133.81.180 attackbots
Unauthorized connection attempt detected from IP address 2.133.81.180 to port 23 [J]
2020-01-30 09:34:13
116.11.158.230 attackbots
Telnet Server BruteForce Attack
2020-01-30 09:59:47
68.183.142.240 attackspambots
Jan 30 01:58:24 MK-Soft-VM8 sshd[28918]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.142.240 
Jan 30 01:58:26 MK-Soft-VM8 sshd[28918]: Failed password for invalid user ishwari from 68.183.142.240 port 37870 ssh2
...
2020-01-30 09:39:03
110.232.71.249 attackbotsspam
Unauthorized connection attempt detected from IP address 110.232.71.249 to port 2220 [J]
2020-01-30 09:54:54
218.110.195.2 attackspam
TCP Port Scanning
2020-01-30 09:47:58
111.206.221.85 attack
The IP has triggered Cloudflare WAF. CF-Ray: 5569e661afd57872 | WAF_Rule_ID: 3b40188685924a32bf11d40edea05a27 | WAF_Kind: firewall | CF_Action: drop | Country: CN | CF_IPClass: whitelist | Protocol: HTTP/1.1 | Method: GET | Host: blog.skk.moe | User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html) | CF_DC: LAX. Report generated by Cloudflare-WAF-to-AbuseIPDB (https://github.com/SukkaW/Cloudflare-WAF-to-AbuseIPDB).
2020-01-30 09:37:15
122.51.191.69 attackspambots
Jan 30 02:43:19 OPSO sshd\[26601\]: Invalid user deluxe33 from 122.51.191.69 port 39832
Jan 30 02:43:19 OPSO sshd\[26601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.191.69
Jan 30 02:43:21 OPSO sshd\[26601\]: Failed password for invalid user deluxe33 from 122.51.191.69 port 39832 ssh2
Jan 30 02:45:49 OPSO sshd\[27341\]: Invalid user vatansa123 from 122.51.191.69 port 57660
Jan 30 02:45:49 OPSO sshd\[27341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.191.69
2020-01-30 10:08:04
180.150.7.159 attackspam
Unauthorized connection attempt detected from IP address 180.150.7.159 to port 2220 [J]
2020-01-30 10:05:51

Recently Reported IPs

104.21.57.179 104.21.57.58 104.21.58.113 104.21.6.10
104.21.59.41 104.21.59.47 104.21.61.238 104.21.61.221
104.21.61.199 104.21.61.185 104.21.63.104 104.21.61.197
104.21.62.242 104.21.61.222 104.21.64.4 104.21.61.234
104.21.61.180 104.21.61.191 104.21.66.104 104.21.66.169