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: Czech Republic

Internet Service Provider: OK COMP s.r.o.

Hostname: unknown

Organization: unknown

Usage Type: Commercial

Comments:
Type Details Datetime
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
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
91.245.30.125 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
91.245.30.75 attackspambots
SASL PLAIN auth failed: ruser=...
2020-07-16 08:31:09
91.245.30.115 attack
Jun 16 05:23:09 mail.srvfarm.net postfix/smtps/smtpd[938143]: warning: unknown[91.245.30.115]: SASL PLAIN authentication failed: 
Jun 16 05:23:09 mail.srvfarm.net postfix/smtps/smtpd[938143]: lost connection after AUTH from unknown[91.245.30.115]
Jun 16 05:26:56 mail.srvfarm.net postfix/smtpd[916111]: warning: unknown[91.245.30.115]: SASL PLAIN authentication failed: 
Jun 16 05:26:56 mail.srvfarm.net postfix/smtpd[916111]: lost connection after AUTH from unknown[91.245.30.115]
Jun 16 05:28:42 mail.srvfarm.net postfix/smtps/smtpd[936248]: warning: unknown[91.245.30.115]: SASL PLAIN authentication failed:
2020-06-16 16:21:02
91.245.30.150 attackspam
Jun  5 18:29:15 mail.srvfarm.net postfix/smtps/smtpd[3174072]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Jun  5 18:29:15 mail.srvfarm.net postfix/smtps/smtpd[3174072]: lost connection after AUTH from unknown[91.245.30.150]
Jun  5 18:35:54 mail.srvfarm.net postfix/smtps/smtpd[3174071]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed: 
Jun  5 18:35:54 mail.srvfarm.net postfix/smtps/smtpd[3174071]: lost connection after AUTH from unknown[91.245.30.150]
Jun  5 18:37:37 mail.srvfarm.net postfix/smtps/smtpd[3175482]: warning: unknown[91.245.30.150]: SASL PLAIN authentication failed:
2020-06-07 23:41:21
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 91.245.30.147
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49377
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;91.245.30.147.			IN	A

;; AUTHORITY SECTION:
.			470	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020072600 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jul 26 17:32:55 CST 2020
;; MSG SIZE  rcvd: 117
Host info
147.30.245.91.in-addr.arpa domain name pointer static30-147.okcomp.cz.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
147.30.245.91.in-addr.arpa	name = static30-147.okcomp.cz.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
45.181.228.1 attack
SSH auth scanning - multiple failed logins
2020-10-11 04:32:10
50.68.200.101 attackspam
Oct 10 22:35:06 *hidden* sshd[21907]: Invalid user rpm from 50.68.200.101 port 59814 Oct 10 22:35:06 *hidden* sshd[21907]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=50.68.200.101 Oct 10 22:35:07 *hidden* sshd[21907]: Failed password for invalid user rpm from 50.68.200.101 port 59814 ssh2
2020-10-11 04:48:47
134.175.146.231 attackbotsspam
Oct 10 16:56:53 ws24vmsma01 sshd[118807]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.146.231
Oct 10 16:56:54 ws24vmsma01 sshd[118807]: Failed password for invalid user informix from 134.175.146.231 port 49622 ssh2
...
2020-10-11 04:24:18
49.235.38.46 attackspam
k+ssh-bruteforce
2020-10-11 04:40:39
2.57.121.19 attackbotsspam
Oct 10 13:42:24 pixelmemory sshd[3235053]: Failed password for root from 2.57.121.19 port 57924 ssh2
Oct 10 13:44:08 pixelmemory sshd[3252791]: Invalid user abc1234 from 2.57.121.19 port 51694
Oct 10 13:44:08 pixelmemory sshd[3252791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19 
Oct 10 13:44:08 pixelmemory sshd[3252791]: Invalid user abc1234 from 2.57.121.19 port 51694
Oct 10 13:44:10 pixelmemory sshd[3252791]: Failed password for invalid user abc1234 from 2.57.121.19 port 51694 ssh2
...
2020-10-11 04:45:09
180.76.150.238 attack
Oct 10 20:33:54 lnxmysql61 sshd[25622]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.150.238
Oct 10 20:33:54 lnxmysql61 sshd[25622]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.150.238
2020-10-11 04:10:54
106.12.167.216 attackbotsspam
vps:sshd-InvalidUser
2020-10-11 04:14:47
71.90.180.102 attack
fail2ban/Oct  9 22:44:06 h1962932 sshd[10971]: Invalid user admin from 71.90.180.102 port 59598
Oct  9 22:44:06 h1962932 sshd[10971]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=071-090-180-102.res.spectrum.com
Oct  9 22:44:06 h1962932 sshd[10971]: Invalid user admin from 71.90.180.102 port 59598
Oct  9 22:44:08 h1962932 sshd[10971]: Failed password for invalid user admin from 71.90.180.102 port 59598 ssh2
Oct  9 22:44:09 h1962932 sshd[10976]: Invalid user admin from 71.90.180.102 port 59702
2020-10-11 04:47:20
91.121.45.5 attackspambots
91.121.45.5 (FR/France/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Oct 10 08:17:02 jbs1 sshd[1519]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.54.171.41  user=root
Oct 10 08:16:50 jbs1 sshd[1404]: Failed password for root from 91.121.45.5 port 4133 ssh2
Oct 10 08:14:45 jbs1 sshd[32628]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.53.170  user=root
Oct 10 08:14:47 jbs1 sshd[32628]: Failed password for root from 68.183.53.170 port 43394 ssh2
Oct 10 08:11:48 jbs1 sshd[30913]: Failed password for root from 59.94.183.196 port 33532 ssh2

IP Addresses Blocked:

156.54.171.41 (IT/Italy/-)
2020-10-11 04:16:50
116.249.211.194 attack
port scan and connect, tcp 1433 (ms-sql-s)
2020-10-11 04:42:24
124.16.75.147 attackbotsspam
SSH Brute-Force Attack
2020-10-11 04:31:39
93.125.1.208 attack
Oct 10 21:40:10 v22019038103785759 sshd\[18915\]: Invalid user nagios from 93.125.1.208 port 59172
Oct 10 21:40:10 v22019038103785759 sshd\[18915\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=93.125.1.208
Oct 10 21:40:12 v22019038103785759 sshd\[18915\]: Failed password for invalid user nagios from 93.125.1.208 port 59172 ssh2
Oct 10 21:43:45 v22019038103785759 sshd\[19202\]: Invalid user nagios from 93.125.1.208 port 36812
Oct 10 21:43:45 v22019038103785759 sshd\[19202\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=93.125.1.208
...
2020-10-11 04:12:35
45.142.120.133 attackbotsspam
(smtpauth) Failed SMTP AUTH login from 45.142.120.133 (RU/Russia/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2020-10-10 14:33:51 dovecot_login authenticator failed for (localhost) [45.142.120.133]:52386: 535 Incorrect authentication data (set_id=noorbaloochi@xeoserver.com)
2020-10-10 14:33:52 dovecot_login authenticator failed for (localhost) [45.142.120.133]:61414: 535 Incorrect authentication data (set_id=laensa@xeoserver.com)
2020-10-10 14:33:53 dovecot_login authenticator failed for (localhost) [45.142.120.133]:15626: 535 Incorrect authentication data (set_id=mtf-hellenikon@xeoserver.com)
2020-10-10 14:33:53 dovecot_login authenticator failed for (localhost) [45.142.120.133]:24648: 535 Incorrect authentication data (set_id=rm-3339b@xeoserver.com)
2020-10-10 14:33:59 dovecot_login authenticator failed for (localhost) [45.142.120.133]:33684: 535 Incorrect authentication data (set_id=chelkowska@xeoserver.com)
2020-10-11 04:41:07
180.166.228.228 attackspam
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.166.228.228
Invalid user lobby01 from 180.166.228.228 port 38068
Failed password for invalid user lobby01 from 180.166.228.228 port 38068 ssh2
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.166.228.228  user=root
Failed password for root from 180.166.228.228 port 34604 ssh2
2020-10-11 04:20:16
178.217.113.121 attack
$f2bV_matches
2020-10-11 04:48:01

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