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:
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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
34.89.31.175 attack
Jun  2 22:22:30 * sshd[21573]: Failed password for root from 34.89.31.175 port 34338 ssh2
2020-06-03 05:17:46
185.176.27.210 attackspam
Jun  2 23:54:26 debian kernel: [33831.946807] [UFW BLOCK] IN=eth0 OUT= MAC=52:54:00:be:e4:65:08:e8:4f:6e:48:0c:08:00 SRC=185.176.27.210 DST=89.252.131.35 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=54233 PROTO=TCP SPT=59645 DPT=9084 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-03 05:19:14
106.13.41.25 attackspambots
Jun  2 22:40:24 h2779839 sshd[12121]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.41.25  user=root
Jun  2 22:40:26 h2779839 sshd[12121]: Failed password for root from 106.13.41.25 port 54192 ssh2
Jun  2 22:42:56 h2779839 sshd[12155]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.41.25  user=root
Jun  2 22:42:58 h2779839 sshd[12155]: Failed password for root from 106.13.41.25 port 38976 ssh2
Jun  2 22:45:29 h2779839 sshd[12204]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.41.25  user=root
Jun  2 22:45:32 h2779839 sshd[12204]: Failed password for root from 106.13.41.25 port 51982 ssh2
Jun  2 22:47:54 h2779839 sshd[12238]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.41.25  user=root
Jun  2 22:47:56 h2779839 sshd[12238]: Failed password for root from 106.13.41.25 port 36756 ssh2
Jun  2 22:50
...
2020-06-03 05:01:23
144.217.40.89 attack
2020-06-02T14:28:19.133578linuxbox-skyline auth[95300]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=tech rhost=144.217.40.89
...
2020-06-03 04:58:35
204.48.19.178 attackbots
Jun  2 23:03:28 buvik sshd[24644]: Failed password for root from 204.48.19.178 port 43914 ssh2
Jun  2 23:06:41 buvik sshd[25171]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=204.48.19.178  user=root
Jun  2 23:06:43 buvik sshd[25171]: Failed password for root from 204.48.19.178 port 48674 ssh2
...
2020-06-03 05:08:33
182.254.166.215 attackspam
Jun  2 20:27:31 vlre-nyc-1 sshd\[6026\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.254.166.215  user=root
Jun  2 20:27:33 vlre-nyc-1 sshd\[6026\]: Failed password for root from 182.254.166.215 port 34834 ssh2
Jun  2 20:29:56 vlre-nyc-1 sshd\[6147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.254.166.215  user=root
Jun  2 20:29:58 vlre-nyc-1 sshd\[6147\]: Failed password for root from 182.254.166.215 port 46570 ssh2
Jun  2 20:32:21 vlre-nyc-1 sshd\[6213\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.254.166.215  user=root
...
2020-06-03 05:24:25
92.53.65.40 attack
06/02/2020-17:19:30.695717 92.53.65.40 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-06-03 05:30:36
116.231.74.244 attackspambots
Jun  2 20:26:10 onepixel sshd[2978997]: Invalid user 0987\r from 116.231.74.244 port 45462
Jun  2 20:26:10 onepixel sshd[2978997]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.231.74.244 
Jun  2 20:26:10 onepixel sshd[2978997]: Invalid user 0987\r from 116.231.74.244 port 45462
Jun  2 20:26:12 onepixel sshd[2978997]: Failed password for invalid user 0987\r from 116.231.74.244 port 45462 ssh2
Jun  2 20:27:36 onepixel sshd[2979165]: Invalid user athens\r from 116.231.74.244 port 56680
2020-06-03 05:25:23
182.253.119.50 attackspam
Jun  2 22:44:18 abendstille sshd\[31341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.253.119.50  user=root
Jun  2 22:44:21 abendstille sshd\[31341\]: Failed password for root from 182.253.119.50 port 43848 ssh2
Jun  2 22:46:36 abendstille sshd\[1013\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.253.119.50  user=root
Jun  2 22:46:39 abendstille sshd\[1013\]: Failed password for root from 182.253.119.50 port 48990 ssh2
Jun  2 22:48:54 abendstille sshd\[3241\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.253.119.50  user=root
...
2020-06-03 05:03:12
181.49.35.34 attackbots
Unauthorized connection attempt from IP address 181.49.35.34 on Port 445(SMB)
2020-06-03 05:26:27
200.89.154.99 attackbots
Jun  3 01:56:36 gw1 sshd[15615]: Failed password for root from 200.89.154.99 port 43953 ssh2
...
2020-06-03 05:09:19
186.112.220.242 attackbots
1591129659 - 06/02/2020 22:27:39 Host: 186.112.220.242/186.112.220.242 Port: 445 TCP Blocked
2020-06-03 05:23:23
87.103.120.250 attackbotsspam
Bruteforce detected by fail2ban
2020-06-03 05:26:53
119.194.23.211 attackbots
2020-06-02T22:27[Censored Hostname] sshd[2212511]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.194.23.211
2020-06-02T22:27[Censored Hostname] sshd[2212511]: Invalid user pi from 119.194.23.211 port 51812
2020-06-02T22:27[Censored Hostname] sshd[2212511]: Failed password for invalid user pi from 119.194.23.211 port 51812 ssh2[...]
2020-06-03 05:32:20
120.71.146.45 attackbots
Jun  2 22:51:11 sso sshd[17116]: Failed password for root from 120.71.146.45 port 48632 ssh2
...
2020-06-03 05:03:42

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