City: unknown
Region: unknown
Country: Czechia
Internet Service Provider: GEMNET s.r.o.
Hostname: unknown
Organization: unknown
Usage Type: Fixed Line ISP
| Type | Details | Datetime |
|---|---|---|
| attack | Jul 19 17:53:40 mail.srvfarm.net postfix/smtps/smtpd[3084254]: warning: unknown[81.161.67.104]: SASL PLAIN authentication failed: Jul 19 17:53:40 mail.srvfarm.net postfix/smtps/smtpd[3084254]: lost connection after AUTH from unknown[81.161.67.104] Jul 19 17:55:13 mail.srvfarm.net postfix/smtpd[3084461]: warning: unknown[81.161.67.104]: SASL PLAIN authentication failed: Jul 19 17:55:13 mail.srvfarm.net postfix/smtpd[3084461]: lost connection after AUTH from unknown[81.161.67.104] Jul 19 17:55:44 mail.srvfarm.net postfix/smtps/smtpd[3084243]: warning: unknown[81.161.67.104]: SASL PLAIN authentication failed: |
2020-07-20 03:14:06 |
| IP | Type | Details | Datetime |
|---|---|---|---|
| 81.161.67.88 | attack | Attempted Brute Force (dovecot) |
2020-09-18 01:40:35 |
| 81.161.67.90 | attackbotsspam | Sep 16 18:39:40 mail.srvfarm.net postfix/smtps/smtpd[3603056]: warning: unknown[81.161.67.90]: SASL PLAIN authentication failed: Sep 16 18:39:40 mail.srvfarm.net postfix/smtps/smtpd[3603056]: lost connection after AUTH from unknown[81.161.67.90] Sep 16 18:43:50 mail.srvfarm.net postfix/smtpd[3603171]: warning: unknown[81.161.67.90]: SASL PLAIN authentication failed: Sep 16 18:43:50 mail.srvfarm.net postfix/smtpd[3603171]: lost connection after AUTH from unknown[81.161.67.90] Sep 16 18:44:18 mail.srvfarm.net postfix/smtpd[3601766]: warning: unknown[81.161.67.90]: SASL PLAIN authentication failed: |
2020-09-18 01:40:05 |
| 81.161.67.88 | attackspam | Attempted Brute Force (dovecot) |
2020-09-17 17:42:15 |
| 81.161.67.90 | attack | Sep 16 18:39:40 mail.srvfarm.net postfix/smtps/smtpd[3603056]: warning: unknown[81.161.67.90]: SASL PLAIN authentication failed: Sep 16 18:39:40 mail.srvfarm.net postfix/smtps/smtpd[3603056]: lost connection after AUTH from unknown[81.161.67.90] Sep 16 18:43:50 mail.srvfarm.net postfix/smtpd[3603171]: warning: unknown[81.161.67.90]: SASL PLAIN authentication failed: Sep 16 18:43:50 mail.srvfarm.net postfix/smtpd[3603171]: lost connection after AUTH from unknown[81.161.67.90] Sep 16 18:44:18 mail.srvfarm.net postfix/smtpd[3601766]: warning: unknown[81.161.67.90]: SASL PLAIN authentication failed: |
2020-09-17 17:41:44 |
| 81.161.67.194 | attackspambots | SASL PLAIN auth failed: ruser=... |
2020-09-15 23:24:20 |
| 81.161.67.194 | attackspambots | SASL PLAIN auth failed: ruser=... |
2020-09-15 15:17:24 |
| 81.161.67.194 | attackbotsspam | SASL PLAIN auth failed: ruser=... |
2020-09-15 07:23:56 |
| 81.161.67.161 | attackspam | (smtpauth) Failed SMTP AUTH login from 81.161.67.161 (CZ/Czechia/static67-161.gemnet.cz): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-08-31 08:22:51 plain authenticator failed for ([81.161.67.161]) [81.161.67.161]: 535 Incorrect authentication data (set_id=peter@fmc-co.com) |
2020-08-31 16:28:08 |
| 81.161.67.134 | attackbotsspam | Aug 27 04:26:04 mail.srvfarm.net postfix/smtpd[1314738]: warning: unknown[81.161.67.134]: SASL PLAIN authentication failed: Aug 27 04:26:04 mail.srvfarm.net postfix/smtpd[1314738]: lost connection after AUTH from unknown[81.161.67.134] Aug 27 04:34:11 mail.srvfarm.net postfix/smtps/smtpd[1314660]: warning: unknown[81.161.67.134]: SASL PLAIN authentication failed: Aug 27 04:34:11 mail.srvfarm.net postfix/smtps/smtpd[1314660]: lost connection after AUTH from unknown[81.161.67.134] Aug 27 04:35:33 mail.srvfarm.net postfix/smtps/smtpd[1333102]: warning: unknown[81.161.67.134]: SASL PLAIN authentication failed: |
2020-08-28 09:35:39 |
| 81.161.67.187 | attackbotsspam | Aug 27 04:40:07 mail.srvfarm.net postfix/smtps/smtpd[1331222]: warning: unknown[81.161.67.187]: SASL PLAIN authentication failed: Aug 27 04:40:07 mail.srvfarm.net postfix/smtps/smtpd[1331222]: lost connection after AUTH from unknown[81.161.67.187] Aug 27 04:46:13 mail.srvfarm.net postfix/smtps/smtpd[1335343]: warning: unknown[81.161.67.187]: SASL PLAIN authentication failed: Aug 27 04:46:13 mail.srvfarm.net postfix/smtps/smtpd[1335343]: lost connection after AUTH from unknown[81.161.67.187] Aug 27 04:48:12 mail.srvfarm.net postfix/smtps/smtpd[1337554]: warning: unknown[81.161.67.187]: SASL PLAIN authentication failed: |
2020-08-28 09:20:23 |
| 81.161.67.234 | attackspam | Aug 27 15:45:15 mail.srvfarm.net postfix/smtpd[1615176]: warning: unknown[81.161.67.234]: SASL PLAIN authentication failed: Aug 27 15:45:15 mail.srvfarm.net postfix/smtpd[1615176]: lost connection after AUTH from unknown[81.161.67.234] Aug 27 15:46:31 mail.srvfarm.net postfix/smtps/smtpd[1612977]: warning: unknown[81.161.67.234]: SASL PLAIN authentication failed: Aug 27 15:46:31 mail.srvfarm.net postfix/smtps/smtpd[1612977]: lost connection after AUTH from unknown[81.161.67.234] Aug 27 15:48:27 mail.srvfarm.net postfix/smtpd[1615959]: warning: unknown[81.161.67.234]: SASL PLAIN authentication failed: |
2020-08-28 09:19:56 |
| 81.161.67.106 | attackbotsspam | Unauthorized connection attempt
IP: 81.161.67.106
Ports affected
Message Submission (587)
Abuse Confidence rating 54%
ASN Details
AS59479 GEMNET s.r.o.
Czechia (CZ)
CIDR 81.161.64.0/20
Log Date: 18/08/2020 11:52:01 AM UTC |
2020-08-19 03:01:52 |
| 81.161.67.106 | attack | Aug 17 05:16:18 mail.srvfarm.net postfix/smtps/smtpd[2599218]: warning: unknown[81.161.67.106]: SASL PLAIN authentication failed: Aug 17 05:16:18 mail.srvfarm.net postfix/smtps/smtpd[2599218]: lost connection after AUTH from unknown[81.161.67.106] Aug 17 05:20:12 mail.srvfarm.net postfix/smtpd[2597245]: warning: unknown[81.161.67.106]: SASL PLAIN authentication failed: Aug 17 05:20:12 mail.srvfarm.net postfix/smtpd[2597245]: lost connection after AUTH from unknown[81.161.67.106] Aug 17 05:20:56 mail.srvfarm.net postfix/smtpd[2597247]: warning: unknown[81.161.67.106]: SASL PLAIN authentication failed: |
2020-08-17 12:23:19 |
| 81.161.67.205 | attackbotsspam | Brute force attempt |
2020-08-17 06:12:04 |
| 81.161.67.131 | attack | Aug 16 05:48:16 mail.srvfarm.net postfix/smtpd[1910319]: warning: unknown[81.161.67.131]: SASL PLAIN authentication failed: Aug 16 05:48:16 mail.srvfarm.net postfix/smtpd[1910319]: lost connection after AUTH from unknown[81.161.67.131] Aug 16 05:50:01 mail.srvfarm.net postfix/smtpd[1907574]: warning: unknown[81.161.67.131]: SASL PLAIN authentication failed: Aug 16 05:50:01 mail.srvfarm.net postfix/smtpd[1907574]: lost connection after AUTH from unknown[81.161.67.131] Aug 16 05:50:11 mail.srvfarm.net postfix/smtpd[1907801]: warning: unknown[81.161.67.131]: SASL PLAIN authentication failed: |
2020-08-16 12:29:12 |
b; <<>> DiG 9.10.3-P4-Ubuntu <<>> 81.161.67.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58502
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;81.161.67.104. IN A
;; AUTHORITY SECTION:
. 527 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2020071901 1800 900 604800 86400
;; Query time: 77 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jul 20 03:14:02 CST 2020
;; MSG SIZE rcvd: 117104.67.161.81.in-addr.arpa domain name pointer static67-104.gemnet.cz.Server: 183.60.83.19
Address: 183.60.83.19#53
Non-authoritative answer:
104.67.161.81.in-addr.arpa name = static67-104.gemnet.cz.
Authoritative answers can be found from:| IP | Type | Details | Datetime |
|---|---|---|---|
| 151.177.80.76 | attack | Unauthorized connection attempt detected from IP address 151.177.80.76 to port 5555 [J] |
2020-01-12 22:10:36 |
| 156.206.111.104 | attack | Unauthorized connection attempt detected from IP address 156.206.111.104 to port 23 [J] |
2020-01-12 22:09:39 |
| 196.207.67.18 | attackbotsspam | Unauthorized connection attempt detected from IP address 196.207.67.18 to port 23 [J] |
2020-01-12 22:30:53 |
| 49.51.9.206 | attack | Unauthorized connection attempt detected from IP address 49.51.9.206 to port 1001 [J] |
2020-01-12 21:58:23 |
| 121.127.173.98 | attack | Unauthorized connection attempt detected from IP address 121.127.173.98 to port 23 [J] |
2020-01-12 22:39:32 |
| 42.114.25.234 | attack | Unauthorized connection attempt detected from IP address 42.114.25.234 to port 23 [J] |
2020-01-12 22:22:51 |
| 223.85.205.58 | attackspam | Unauthorized connection attempt detected from IP address 223.85.205.58 to port 1433 [J] |
2020-01-12 22:27:21 |
| 119.236.233.161 | attack | Unauthorized connection attempt detected from IP address 119.236.233.161 to port 5555 [J] |
2020-01-12 22:40:33 |
| 181.118.225.47 | attackbotsspam | Unauthorized connection attempt detected from IP address 181.118.225.47 to port 80 [J] |
2020-01-12 22:36:07 |
| 94.176.202.198 | attackspambots | Unauthorized connection attempt detected from IP address 94.176.202.198 to port 88 [J] |
2020-01-12 22:17:14 |
| 36.41.174.139 | attackspam | Unauthorized connection attempt detected from IP address 36.41.174.139 to port 2220 [J] |
2020-01-12 22:23:20 |
| 69.229.0.133 | attackbots | Unauthorized connection attempt detected from IP address 69.229.0.133 to port 81 [J] |
2020-01-12 22:19:46 |
| 216.244.230.114 | attack | Unauthorized connection attempt detected from IP address 216.244.230.114 to port 23 [J] |
2020-01-12 22:02:04 |
| 110.14.58.84 | attackbots | Unauthorized connection attempt detected from IP address 110.14.58.84 to port 23 [J] |
2020-01-12 22:41:25 |
| 222.180.162.8 | attackspambots | Unauthorized connection attempt detected from IP address 222.180.162.8 to port 2220 [J] |
2020-01-12 22:27:45 |