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 <<>> 16.135.21.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12267
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;16.135.21.19.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012102 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 22 08:49:58 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 19.21.135.16.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 19.21.135.16.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
175.207.29.235 attackspam
Aug 10 16:42:28 prox sshd[32517]: Failed password for root from 175.207.29.235 port 43470 ssh2
2020-08-11 00:04:41
171.38.217.7 attack
 TCP (SYN) 171.38.217.7:42080 -> port 23, len 44
2020-08-10 23:51:55
106.12.59.23 attack
Aug 10 14:03:43 vm0 sshd[8830]: Failed password for root from 106.12.59.23 port 41320 ssh2
...
2020-08-10 23:22:12
178.46.210.146 attackspambots
Automatic report - Port Scan
2020-08-10 23:47:51
141.98.81.15 attackspambots
Aug 10 16:50:38 lnxweb62 sshd[18085]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.81.15
Aug 10 16:50:40 lnxweb62 sshd[18085]: Failed password for invalid user operator from 141.98.81.15 port 60358 ssh2
Aug 10 16:50:49 lnxweb62 sshd[18203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.81.15
2020-08-10 23:32:27
111.88.245.203 attackspam
2020-08-10 13:50:17 plain_virtual_exim authenticator failed for ([111.88.245.203]) [111.88.245.203]: 535 Incorrect authentication data


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=111.88.245.203
2020-08-10 23:47:07
46.4.60.249 attackspambots
20 attempts against mh-misbehave-ban on twig
2020-08-11 00:06:59
200.146.215.26 attack
Aug 10 17:42:11 cosmoit sshd[5343]: Failed password for root from 200.146.215.26 port 53767 ssh2
2020-08-11 00:00:36
185.97.116.222 attack
Bruteforce detected by fail2ban
2020-08-10 23:31:54
89.248.172.16 attack
 TCP (SYN) 89.248.172.16:24858 -> port 2067, len 44
2020-08-10 23:39:23
45.138.72.22 attackbots
Icarus honeypot on github
2020-08-10 23:48:17
1.196.238.130 attack
Aug 10 07:25:32 Server1 sshd[17355]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.196.238.130  user=r.r
Aug 10 07:25:34 Server1 sshd[17355]: Failed password for r.r from 1.196.238.130 port 60522 ssh2
Aug 10 07:25:34 Server1 sshd[17355]: Received disconnect from 1.196.238.130 port 60522:11: Bye Bye [preauth]
Aug 10 07:25:34 Server1 sshd[17355]: Disconnected from authenticating user r.r 1.196.238.130 port 60522 [preauth]
Aug 10 07:48:07 Server1 sshd[17748]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.196.238.130  user=r.r
Aug 10 07:48:09 Server1 sshd[17748]: Failed password for r.r from 1.196.238.130 port 39678 ssh2
Aug 10 07:48:10 Server1 sshd[17748]: Received disconnect from 1.196.238.130 port 39678:11: Bye Bye [preauth]
Aug 10 07:48:10 Server1 sshd[17748]: Disconnected from authenticating user r.r 1.196.238.130 port 39678 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/v
2020-08-10 23:45:16
81.135.174.52 attackspam
Automatic report - Port Scan Attack
2020-08-10 23:24:42
202.41.10.5 attackspambots
1597061172 - 08/10/2020 14:06:12 Host: 202.41.10.5/202.41.10.5 Port: 445 TCP Blocked
2020-08-10 23:29:31
51.38.186.180 attack
Aug 10 10:25:53 firewall sshd[15284]: Failed password for root from 51.38.186.180 port 56192 ssh2
Aug 10 10:29:51 firewall sshd[15377]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.186.180  user=root
Aug 10 10:29:53 firewall sshd[15377]: Failed password for root from 51.38.186.180 port 60539 ssh2
...
2020-08-10 23:34:26

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