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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.16.16.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35034
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.16.21.			IN	A

;; AUTHORITY SECTION:
.			563	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031400 1800 900 604800 86400

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 14 17:57:37 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.16.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.16.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
79.140.30.237 attackbots
Honeypot attack, port: 81, PTR: 79.140.30.237.static.ufanet.ru.
2020-09-06 08:49:54
103.144.180.18 attack
Lines containing failures of 103.144.180.18
Sep  3 08:34:00 kmh-vmh-001-fsn07 sshd[22376]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.144.180.18  user=r.r
Sep  3 08:34:02 kmh-vmh-001-fsn07 sshd[22376]: Failed password for r.r from 103.144.180.18 port 20461 ssh2
Sep  3 08:34:04 kmh-vmh-001-fsn07 sshd[22376]: Received disconnect from 103.144.180.18 port 20461:11: Bye Bye [preauth]
Sep  3 08:34:04 kmh-vmh-001-fsn07 sshd[22376]: Disconnected from authenticating user r.r 103.144.180.18 port 20461 [preauth]
Sep  3 08:48:08 kmh-vmh-001-fsn07 sshd[25905]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.144.180.18  user=r.r
Sep  3 08:48:10 kmh-vmh-001-fsn07 sshd[25905]: Failed password for r.r from 103.144.180.18 port 10685 ssh2
Sep  3 08:48:11 kmh-vmh-001-fsn07 sshd[25905]: Received disconnect from 103.144.180.18 port 10685:11: Bye Bye [preauth]
Sep  3 08:48:11 kmh-vmh-001-fsn07 sshd[259........
------------------------------
2020-09-06 09:05:42
50.226.94.6 attack
Honeypot attack, port: 81, PTR: 50-226-94-6-static.hfc.comcastbusiness.net.
2020-09-06 08:54:49
45.142.120.117 attackbotsspam
Sep  6 02:54:19 relay postfix/smtpd\[31722\]: warning: unknown\[45.142.120.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 02:55:05 relay postfix/smtpd\[30667\]: warning: unknown\[45.142.120.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 02:55:48 relay postfix/smtpd\[30669\]: warning: unknown\[45.142.120.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 02:56:31 relay postfix/smtpd\[30653\]: warning: unknown\[45.142.120.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 02:57:13 relay postfix/smtpd\[1061\]: warning: unknown\[45.142.120.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-06 08:58:11
67.143.192.177 attackbots
Attempted connection to port 445.
2020-09-06 08:30:54
85.214.151.144 attackbots
Unauthorized connection attempt from IP address 85.214.151.144 on Port 139(NETBIOS)
2020-09-06 08:54:08
121.241.244.92 attackspam
Sep  6 00:55:39 * sshd[23590]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.241.244.92
Sep  6 00:55:40 * sshd[23590]: Failed password for invalid user password from 121.241.244.92 port 43494 ssh2
2020-09-06 08:44:01
190.200.167.169 attackbotsspam
Attempted connection to port 445.
2020-09-06 08:37:12
123.19.55.134 attackspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-09-06 08:46:32
103.152.244.254 attackspam
Attempted connection to port 445.
2020-09-06 08:44:40
200.108.139.242 attack
2020-09-05T13:09:15.437293morrigan.ad5gb.com sshd[1253523]: Failed password for root from 200.108.139.242 port 35145 ssh2
2020-09-05T13:09:16.074877morrigan.ad5gb.com sshd[1253523]: Disconnected from authenticating user root 200.108.139.242 port 35145 [preauth]
2020-09-06 08:42:31
45.175.2.103 attack
Attempted Brute Force (dovecot)
2020-09-06 08:55:21
190.107.22.162 attackspam
Honeypot attack, port: 445, PTR: 19010722162.ip63.static.mediacommerce.com.co.
2020-09-06 08:48:37
103.74.95.147 attackspambots
Brute Force
2020-09-06 09:03:18
88.251.52.216 attackspam
Attempted connection to port 445.
2020-09-06 09:07:16

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