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: Czechia

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:
IP Type Details Datetime
91.245.30.150 attackspambots
Sep 11 18:00:30 mail.srvfarm.net postfix/smtps/smtpd[3875317]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Sep 11 18:00:30 mail.srvfarm.net postfix/smtps/smtpd[3875317]: lost connection after AUTH from unknown[91.245.30.150]
Sep 11 18:06:45 mail.srvfarm.net postfix/smtps/smtpd[3875620]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Sep 11 18:06:45 mail.srvfarm.net postfix/smtps/smtpd[3875620]: lost connection after AUTH from unknown[91.245.30.150]
Sep 11 18:08:32 mail.srvfarm.net postfix/smtpd[3889545]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed:
2020-09-13 01:43:37
91.245.30.150 attackspam
Sep 11 18:00:30 mail.srvfarm.net postfix/smtps/smtpd[3875317]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Sep 11 18:00:30 mail.srvfarm.net postfix/smtps/smtpd[3875317]: lost connection after AUTH from unknown[91.245.30.150]
Sep 11 18:06:45 mail.srvfarm.net postfix/smtps/smtpd[3875620]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Sep 11 18:06:45 mail.srvfarm.net postfix/smtps/smtpd[3875620]: lost connection after AUTH from unknown[91.245.30.150]
Sep 11 18:08:32 mail.srvfarm.net postfix/smtpd[3889545]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed:
2020-09-12 17:43:32
91.245.30.79 attack
Sep  7 12:09:56 mail.srvfarm.net postfix/smtpd[1050887]: warning: unknown[91.245.30.79]: SASL PLAIN authentication failed: 
Sep  7 12:09:56 mail.srvfarm.net postfix/smtpd[1050887]: lost connection after AUTH from unknown[91.245.30.79]
Sep  7 12:14:31 mail.srvfarm.net postfix/smtpd[1050882]: warning: unknown[91.245.30.79]: SASL PLAIN authentication failed: 
Sep  7 12:14:31 mail.srvfarm.net postfix/smtpd[1050882]: lost connection after AUTH from unknown[91.245.30.79]
Sep  7 12:15:08 mail.srvfarm.net postfix/smtpd[1039277]: warning: unknown[91.245.30.79]: SASL PLAIN authentication failed:
2020-09-12 02:45:11
91.245.30.79 attack
Sep  7 12:09:56 mail.srvfarm.net postfix/smtpd[1050887]: warning: unknown[91.245.30.79]: SASL PLAIN authentication failed: 
Sep  7 12:09:56 mail.srvfarm.net postfix/smtpd[1050887]: lost connection after AUTH from unknown[91.245.30.79]
Sep  7 12:14:31 mail.srvfarm.net postfix/smtpd[1050882]: warning: unknown[91.245.30.79]: SASL PLAIN authentication failed: 
Sep  7 12:14:31 mail.srvfarm.net postfix/smtpd[1050882]: lost connection after AUTH from unknown[91.245.30.79]
Sep  7 12:15:08 mail.srvfarm.net postfix/smtpd[1039277]: warning: unknown[91.245.30.79]: SASL PLAIN authentication failed:
2020-09-11 18:41:19
91.245.30.71 attackspambots
Brute force attempt
2020-08-31 13:04:59
91.245.30.92 attack
Aug 27 04:21:01 mail.srvfarm.net postfix/smtpd[1314728]: warning: unknown[91.245.30.92]: SASL PLAIN authentication failed: 
Aug 27 04:21:01 mail.srvfarm.net postfix/smtpd[1314728]: lost connection after AUTH from unknown[91.245.30.92]
Aug 27 04:22:47 mail.srvfarm.net postfix/smtpd[1332132]: warning: unknown[91.245.30.92]: SASL PLAIN authentication failed: 
Aug 27 04:22:47 mail.srvfarm.net postfix/smtpd[1332132]: lost connection after AUTH from unknown[91.245.30.92]
Aug 27 04:24:00 mail.srvfarm.net postfix/smtpd[1313892]: warning: unknown[91.245.30.92]: SASL PLAIN authentication failed:
2020-08-28 09:43:43
91.245.35.211 attackspambots
Automatic report - Port Scan Attack
2020-08-18 22:46:45
91.245.30.125 attack
Aug 16 05:14:59 mail.srvfarm.net postfix/smtps/smtpd[1888763]: warning: unknown[91.245.30.125]: SASL PLAIN authentication failed: 
Aug 16 05:14:59 mail.srvfarm.net postfix/smtps/smtpd[1888763]: lost connection after AUTH from unknown[91.245.30.125]
Aug 16 05:22:34 mail.srvfarm.net postfix/smtpd[1888825]: warning: unknown[91.245.30.125]: SASL PLAIN authentication failed: 
Aug 16 05:22:34 mail.srvfarm.net postfix/smtpd[1888825]: lost connection after AUTH from unknown[91.245.30.125]
Aug 16 05:24:01 mail.srvfarm.net postfix/smtpd[1888504]: warning: unknown[91.245.30.125]: SASL PLAIN authentication failed:
2020-08-16 13:05:13
91.245.30.150 attackspam
Jul 31 13:44:23 mail.srvfarm.net postfix/smtpd[346670]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Jul 31 13:44:23 mail.srvfarm.net postfix/smtpd[346670]: lost connection after AUTH from unknown[91.245.30.150]
Jul 31 13:46:32 mail.srvfarm.net postfix/smtps/smtpd[344849]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Jul 31 13:46:32 mail.srvfarm.net postfix/smtps/smtpd[344849]: lost connection after AUTH from unknown[91.245.30.150]
Jul 31 13:49:58 mail.srvfarm.net postfix/smtps/smtpd[348862]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed:
2020-08-01 00:31:18
91.245.30.105 attack
Jul 31 10:41:23 mail.srvfarm.net postfix/smtpd[280510]: warning: unknown[91.245.30.105]: SASL PLAIN authentication failed: 
Jul 31 10:41:23 mail.srvfarm.net postfix/smtpd[280510]: lost connection after AUTH from unknown[91.245.30.105]
Jul 31 10:41:40 mail.srvfarm.net postfix/smtps/smtpd[274710]: warning: unknown[91.245.30.105]: SASL PLAIN authentication failed: 
Jul 31 10:41:40 mail.srvfarm.net postfix/smtps/smtpd[274710]: lost connection after AUTH from unknown[91.245.30.105]
Jul 31 10:48:26 mail.srvfarm.net postfix/smtps/smtpd[278874]: warning: unknown[91.245.30.105]: SASL PLAIN authentication failed:
2020-07-31 17:22:19
91.245.30.146 attack
(smtpauth) Failed SMTP AUTH login from 91.245.30.146 (CZ/Czechia/static30-146.okcomp.cz): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-07-31 08:23:45 plain authenticator failed for ([91.245.30.146]) [91.245.30.146]: 535 Incorrect authentication data (set_id=a.nasiri)
2020-07-31 14:47:17
91.245.30.107 attack
Jul 29 08:08:18 Host-KEWR-E postfix/smtps/smtpd[30397]: lost connection after AUTH from unknown[91.245.30.107]
...
2020-07-30 02:08:00
91.245.30.100 attackspambots
(smtpauth) Failed SMTP AUTH login from 91.245.30.100 (CZ/Czechia/static30-100.okcomp.cz): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-07-28 16:35:05 plain authenticator failed for ([91.245.30.100]) [91.245.30.100]: 535 Incorrect authentication data (set_id=nasr)
2020-07-28 23:53:11
91.245.30.147 attackspam
Jul 26 05:47:51 mail.srvfarm.net postfix/smtps/smtpd[1027769]: warning: unknown[91.245.30.147]: SASL PLAIN authentication failed: 
Jul 26 05:47:51 mail.srvfarm.net postfix/smtps/smtpd[1027769]: lost connection after AUTH from unknown[91.245.30.147]
Jul 26 05:50:19 mail.srvfarm.net postfix/smtps/smtpd[1031887]: warning: unknown[91.245.30.147]: SASL PLAIN authentication failed: 
Jul 26 05:50:19 mail.srvfarm.net postfix/smtps/smtpd[1031887]: lost connection after AUTH from unknown[91.245.30.147]
Jul 26 05:52:29 mail.srvfarm.net postfix/smtps/smtpd[1032031]: warning: unknown[91.245.30.147]: SASL PLAIN authentication failed:
2020-07-26 17:32:59
91.245.30.75 attackspambots
SASL PLAIN auth failed: ruser=...
2020-07-16 08:31:09
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 91.245.3.165
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38030
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;91.245.3.165.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012101 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 22 05:39:38 CST 2025
;; MSG SIZE  rcvd: 105
Host info
165.3.245.91.in-addr.arpa domain name pointer static3-165.fastcom.cz.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
165.3.245.91.in-addr.arpa	name = static3-165.fastcom.cz.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
122.242.80.211 attackbotsspam
20/8/2@23:57:01: FAIL: Alarm-Intrusion address from=122.242.80.211
...
2020-08-03 12:55:43
217.182.79.176 attackspam
frenzy
2020-08-03 12:48:49
190.12.66.27 attack
Aug  2 23:45:21 mx sshd[28508]: Failed password for root from 190.12.66.27 port 59872 ssh2
2020-08-03 12:57:40
43.230.144.66 attack
port scan and connect, tcp 1433 (ms-sql-s)
2020-08-03 12:51:13
93.145.115.206 attack
[ssh] SSH attack
2020-08-03 12:33:31
187.204.3.250 attack
Aug  3 06:27:24 piServer sshd[24419]: Failed password for root from 187.204.3.250 port 48478 ssh2
Aug  3 06:30:25 piServer sshd[24692]: Failed password for root from 187.204.3.250 port 41242 ssh2
...
2020-08-03 12:44:21
186.85.159.135 attackbots
Aug  2 18:38:51 auw2 sshd\[20111\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.85.159.135  user=root
Aug  2 18:38:53 auw2 sshd\[20111\]: Failed password for root from 186.85.159.135 port 10465 ssh2
Aug  2 18:41:12 auw2 sshd\[20385\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.85.159.135  user=root
Aug  2 18:41:14 auw2 sshd\[20385\]: Failed password for root from 186.85.159.135 port 39937 ssh2
Aug  2 18:43:32 auw2 sshd\[20577\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.85.159.135  user=root
2020-08-03 12:51:47
222.186.42.7 attackspambots
Fail2Ban Ban Triggered (2)
2020-08-03 12:34:14
104.248.237.70 attack
Aug  3 06:28:10 ns381471 sshd[29300]: Failed password for root from 104.248.237.70 port 45659 ssh2
2020-08-03 12:32:14
83.229.149.191 attackspam
Aug  3 03:34:58 XXX sshd[8585]: Invalid user MTDL_Title from 83.229.149.191 port 43624
2020-08-03 12:28:16
167.99.166.195 attackspam
$f2bV_matches
2020-08-03 12:27:23
88.157.229.59 attack
Aug  3 00:52:53 vps46666688 sshd[6479]: Failed password for root from 88.157.229.59 port 35218 ssh2
...
2020-08-03 12:56:16
106.12.84.83 attackspam
Aug  3 05:48:47 h2779839 sshd[13634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.84.83  user=root
Aug  3 05:48:49 h2779839 sshd[13634]: Failed password for root from 106.12.84.83 port 46532 ssh2
Aug  3 05:50:55 h2779839 sshd[13649]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.84.83  user=root
Aug  3 05:50:56 h2779839 sshd[13649]: Failed password for root from 106.12.84.83 port 42120 ssh2
Aug  3 05:53:00 h2779839 sshd[13661]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.84.83  user=root
Aug  3 05:53:02 h2779839 sshd[13661]: Failed password for root from 106.12.84.83 port 37704 ssh2
Aug  3 05:55:07 h2779839 sshd[15174]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.84.83  user=root
Aug  3 05:55:09 h2779839 sshd[15174]: Failed password for root from 106.12.84.83 port 33294 ssh2
Aug  3 05:57
...
2020-08-03 12:39:56
187.141.128.42 attackbots
2020-08-03T05:39:31.740109ns386461 sshd\[29152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.141.128.42  user=root
2020-08-03T05:39:33.798584ns386461 sshd\[29152\]: Failed password for root from 187.141.128.42 port 50234 ssh2
2020-08-03T05:52:41.638155ns386461 sshd\[8967\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.141.128.42  user=root
2020-08-03T05:52:43.485150ns386461 sshd\[8967\]: Failed password for root from 187.141.128.42 port 39590 ssh2
2020-08-03T05:57:05.873863ns386461 sshd\[12821\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.141.128.42  user=root
...
2020-08-03 12:49:11
192.35.168.200 attackspambots
Unauthorized connection attempt detected from IP address 192.35.168.200 to port 8427 [T]
2020-08-03 12:50:36

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