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 <<>> 104.16.21.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20681
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.21.1.			IN	A

;; AUTHORITY SECTION:
.			135	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031801 1800 900 604800 86400

;; Query time: 75 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 19 09:18:50 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 1.21.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 1.21.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
37.34.189.53 attackbotsspam
Unauthorized connection attempt detected from IP address 37.34.189.53 to port 8000 [J]
2020-01-13 03:20:17
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Unauthorized connection attempt detected from IP address 85.204.215.4 to port 8080 [J]
2020-01-13 03:15:21
82.255.20.214 attackbots
Unauthorized connection attempt detected from IP address 82.255.20.214 to port 5000 [J]
2020-01-13 03:16:10
119.77.123.165 attackspam
Unauthorized connection attempt detected from IP address 119.77.123.165 to port 23 [J]
2020-01-13 03:10:46
122.116.102.117 attackbotsspam
Unauthorized connection attempt detected from IP address 122.116.102.117 to port 23 [J]
2020-01-13 03:35:27
123.203.158.241 attackspam
Unauthorized connection attempt detected from IP address 123.203.158.241 to port 5555 [J]
2020-01-13 03:35:02
185.186.244.127 attack
Unauthorized connection attempt detected from IP address 185.186.244.127 to port 2220 [J]
2020-01-13 03:03:44
152.0.254.21 attack
Unauthorized connection attempt detected from IP address 152.0.254.21 to port 81 [J]
2020-01-13 03:32:52
167.250.44.158 attack
Unauthorized connection attempt detected from IP address 167.250.44.158 to port 5000 [J]
2020-01-13 03:31:53
162.12.211.41 attackspam
Unauthorized connection attempt detected from IP address 162.12.211.41 to port 8080 [J]
2020-01-13 03:32:23
119.29.225.213 attackspam
Unauthorized connection attempt detected from IP address 119.29.225.213 to port 8080 [J]
2020-01-13 03:11:10
185.176.27.18 attackspam
ET DROP Dshield Block Listed Source group 1 - port: 21701 proto: TCP cat: Misc Attack
2020-01-13 03:04:07
124.232.150.30 attackspam
Unauthorized connection attempt detected from IP address 124.232.150.30 to port 6379 [J]
2020-01-13 03:34:15
170.106.38.36 attackbots
Unauthorized connection attempt detected from IP address 170.106.38.36 to port 1311 [J]
2020-01-13 03:30:55
107.170.57.221 attackspam
Jan 12 16:18:21 ourumov-web sshd\[30090\]: Invalid user joe from 107.170.57.221 port 54987
Jan 12 16:18:21 ourumov-web sshd\[30090\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.57.221
Jan 12 16:18:24 ourumov-web sshd\[30090\]: Failed password for invalid user joe from 107.170.57.221 port 54987 ssh2
...
2020-01-13 03:13:32

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