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 <<>> 168.21.57.213
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59515
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;168.21.57.213.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021401 1800 900 604800 86400

;; Query time: 104 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 15 13:25:10 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 213.57.21.168.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 213.57.21.168.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.149.192.234 attackbots
Unauthorized connection attempt detected from IP address 103.149.192.234 to port 443
2020-07-31 16:50:21
193.56.28.176 attackspambots
2020-07-31 11:15:07 dovecot_login authenticator failed for \(User\) \[193.56.28.176\]: 535 Incorrect authentication data \(set_id=aerial@ift.org.ua\)2020-07-31 11:15:13 dovecot_login authenticator failed for \(User\) \[193.56.28.176\]: 535 Incorrect authentication data \(set_id=aerial@ift.org.ua\)2020-07-31 11:15:23 dovecot_login authenticator failed for \(User\) \[193.56.28.176\]: 535 Incorrect authentication data \(set_id=aerial@ift.org.ua\)
...
2020-07-31 16:58:30
60.29.129.58 attackbots
Jul 31 06:50:26 dri postfix/smtpd[3474]: warning: unknown[60.29.129.58]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 31 06:50:35 dri postfix/smtpd[3474]: warning: unknown[60.29.129.58]: SASL LO
...
2020-07-31 16:53:10
111.26.172.222 attackspam
2020-07-31T01:34:36.333998linuxbox-skyline auth[116421]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=support rhost=111.26.172.222
...
2020-07-31 16:27:48
202.70.72.217 attackspambots
$f2bV_matches
2020-07-31 16:51:16
180.180.241.93 attackbots
Jul 31 06:16:06 eventyay sshd[21643]: Failed password for root from 180.180.241.93 port 41376 ssh2
Jul 31 06:17:53 eventyay sshd[21693]: Failed password for root from 180.180.241.93 port 38208 ssh2
...
2020-07-31 16:46:31
78.232.192.171 attack
2020-07-31T03:51:05.212396server.espacesoutien.com sshd[27273]: Failed password for invalid user pi from 78.232.192.171 port 52568 ssh2
2020-07-31T03:51:03.238412server.espacesoutien.com sshd[27274]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.232.192.171
2020-07-31T03:51:03.072121server.espacesoutien.com sshd[27274]: Invalid user pi from 78.232.192.171 port 52574
2020-07-31T03:51:05.318587server.espacesoutien.com sshd[27274]: Failed password for invalid user pi from 78.232.192.171 port 52574 ssh2
...
2020-07-31 16:39:40
195.223.211.242 attackspambots
(sshd) Failed SSH login from 195.223.211.242 (IT/Italy/host-195-223-211-242.business.telecomitalia.it): 5 in the last 3600 secs
2020-07-31 17:08:21
65.97.252.131 attack
Jul 31 07:06:27 IngegnereFirenze sshd[30397]: User root from 65.97.252.131 not allowed because not listed in AllowUsers
...
2020-07-31 16:29:19
101.231.124.6 attack
Jul 31 10:25:48 server sshd[20090]: Failed password for root from 101.231.124.6 port 10848 ssh2
Jul 31 10:29:54 server sshd[21407]: Failed password for root from 101.231.124.6 port 40839 ssh2
Jul 31 10:38:06 server sshd[24262]: Failed password for root from 101.231.124.6 port 25599 ssh2
2020-07-31 17:01:43
34.87.115.177 attackbots
Jul 31 09:31:25 ovpn sshd\[18964\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.87.115.177  user=root
Jul 31 09:31:26 ovpn sshd\[18964\]: Failed password for root from 34.87.115.177 port 1072 ssh2
Jul 31 09:44:38 ovpn sshd\[22150\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.87.115.177  user=root
Jul 31 09:44:40 ovpn sshd\[22150\]: Failed password for root from 34.87.115.177 port 1084 ssh2
Jul 31 09:49:12 ovpn sshd\[23232\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.87.115.177  user=root
2020-07-31 16:25:26
179.191.123.46 attackbots
Port scan: Attack repeated for 24 hours
2020-07-31 17:05:31
89.186.24.135 attackbotsspam
(smtpauth) Failed SMTP AUTH login from 89.186.24.135 (PL/Poland/ip-89-186-24-135.static.vip-net.pl): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-07-31 08:39:38 plain authenticator failed for ip-89-186-24-135.static.vip-net.pl [89.186.24.135]: 535 Incorrect authentication data (set_id=a.nasiri)
2020-07-31 16:51:35
45.125.65.112 attack
Jul 31 05:51:18 vulcan sshd[45351]: Invalid user admin from 45.125.65.112 port 36789
Jul 31 05:51:18 vulcan sshd[45351]: error: PAM: Authentication error for illegal user admin from 45.125.65.112
Jul 31 05:51:18 vulcan sshd[45351]: Failed keyboard-interactive/pam for invalid user admin from 45.125.65.112 port 36789 ssh2
Jul 31 05:51:18 vulcan sshd[45351]: Connection closed by invalid user admin 45.125.65.112 port 36789 [preauth]
...
2020-07-31 16:26:11
159.65.1.41 attack
Jul 30 21:51:01 Host-KLAX-C sshd[25785]: User root from 159.65.1.41 not allowed because not listed in AllowUsers
...
2020-07-31 16:43:11

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