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 of America (the)

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 <<>> 166.54.21.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52382
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;166.54.21.16.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012801 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 29 01:56:22 CST 2025
;; MSG SIZE  rcvd: 105
Host info
b'Host 16.21.54.166.in-addr.arpa not found: 2(SERVFAIL)
'
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 16.21.54.166.in-addr.arpa: SERVFAIL

Related IP info:
Related comments:
IP Type Details Datetime
62.7.90.34 attackbotsspam
Aug 24 23:04:27 sachi sshd\[11451\]: Invalid user himanshu123 from 62.7.90.34
Aug 24 23:04:27 sachi sshd\[11451\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.7.90.34
Aug 24 23:04:29 sachi sshd\[11451\]: Failed password for invalid user himanshu123 from 62.7.90.34 port 55159 ssh2
Aug 24 23:08:24 sachi sshd\[11898\]: Invalid user erick from 62.7.90.34
Aug 24 23:08:24 sachi sshd\[11898\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.7.90.34
2019-08-25 17:16:19
208.100.26.231 attack
port scan and connect, tcp 5432 (postgresql)
2019-08-25 18:10:06
157.230.97.200 attackbots
Aug 25 00:11:49 lcprod sshd\[27044\]: Invalid user gituser from 157.230.97.200
Aug 25 00:11:49 lcprod sshd\[27044\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.97.200
Aug 25 00:11:51 lcprod sshd\[27044\]: Failed password for invalid user gituser from 157.230.97.200 port 60022 ssh2
Aug 25 00:15:57 lcprod sshd\[27396\]: Invalid user operator from 157.230.97.200
Aug 25 00:15:57 lcprod sshd\[27396\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.97.200
2019-08-25 18:26:33
218.92.0.198 attackspambots
2019-08-25T08:35:20.046000abusebot-8.cloudsearch.cf sshd\[18865\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.198  user=root
2019-08-25 17:29:31
188.79.207.159 attackbotsspam
Automatic report - Port Scan Attack
2019-08-25 17:50:27
191.54.110.9 attackbots
Unauthorized connection attempt from IP address 191.54.110.9 on Port 445(SMB)
2019-08-25 17:36:27
45.238.79.67 attack
Aug 25 05:36:23 vps200512 sshd\[25545\]: Invalid user pankaj from 45.238.79.67
Aug 25 05:36:23 vps200512 sshd\[25545\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.238.79.67
Aug 25 05:36:25 vps200512 sshd\[25545\]: Failed password for invalid user pankaj from 45.238.79.67 port 45872 ssh2
Aug 25 05:41:20 vps200512 sshd\[25765\]: Invalid user virginie from 45.238.79.67
Aug 25 05:41:20 vps200512 sshd\[25765\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.238.79.67
2019-08-25 17:44:43
117.247.233.25 attackbotsspam
Honeypot attack, port: 445, PTR: PTR record not found
2019-08-25 18:04:53
110.137.63.137 attackbotsspam
Unauthorized connection attempt from IP address 110.137.63.137 on Port 445(SMB)
2019-08-25 18:15:00
176.100.102.208 attack
Aug 24 23:08:45 tdfoods sshd\[32195\]: Invalid user drive from 176.100.102.208
Aug 24 23:08:45 tdfoods sshd\[32195\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.100.102.208
Aug 24 23:08:47 tdfoods sshd\[32195\]: Failed password for invalid user drive from 176.100.102.208 port 17433 ssh2
Aug 24 23:13:09 tdfoods sshd\[343\]: Invalid user admin from 176.100.102.208
Aug 24 23:13:09 tdfoods sshd\[343\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.100.102.208
2019-08-25 17:14:37
185.11.244.21 attack
Aug 25 06:15:47 plusreed sshd[6318]: Invalid user oscar from 185.11.244.21
...
2019-08-25 18:17:34
2002:755a:659::755a:659 attackspambots
2019-08-25 03:03:00 dovecot_login authenticator failed for (ndcneybf.com) [2002:755a:659::755a:659]:63398 I=[2001:470:1f0f:3ad:bb:dcff:fe50:d900]:25: 535 Incorrect authentication data (set_id=ler@lerctr.org)
2019-08-25 03:03:28 dovecot_login authenticator failed for (ndcneybf.com) [2002:755a:659::755a:659]:64829 I=[2001:470:1f0f:3ad:bb:dcff:fe50:d900]:25: 535 Incorrect authentication data (set_id=ler@lerctr.org)
2019-08-25 03:03:54 dovecot_login authenticator failed for (ndcneybf.com) [2002:755a:659::755a:659]:49719 I=[2001:470:1f0f:3ad:bb:dcff:fe50:d900]:25: 535 Incorrect authentication data (set_id=ler@lerctr.org)
...
2019-08-25 17:19:02
104.236.142.200 attackbotsspam
$f2bV_matches
2019-08-25 17:21:01
193.106.29.106 attackbotsspam
Port scan on 3 port(s): 9893 9894 9898
2019-08-25 17:29:53
213.32.21.139 attack
Aug 25 00:05:38 friendsofhawaii sshd\[3880\]: Invalid user helene from 213.32.21.139
Aug 25 00:05:38 friendsofhawaii sshd\[3880\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.ip-213-32-21.eu
Aug 25 00:05:39 friendsofhawaii sshd\[3880\]: Failed password for invalid user helene from 213.32.21.139 port 48998 ssh2
Aug 25 00:09:35 friendsofhawaii sshd\[4345\]: Invalid user tc from 213.32.21.139
Aug 25 00:09:35 friendsofhawaii sshd\[4345\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.ip-213-32-21.eu
2019-08-25 18:28:14

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