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: China

Internet Service Provider: Shanghai UCloud Information Technology Company Limited

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
(smtpauth) Failed SMTP AUTH login from 113.31.104.89 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2020-10-10 13:26:02 dovecot_login authenticator failed for (communicationsrelayllc.net) [113.31.104.89]:41036: 535 Incorrect authentication data (set_id=nologin)
2020-10-10 13:26:27 dovecot_login authenticator failed for (communicationsrelayllc.net) [113.31.104.89]:44602: 535 Incorrect authentication data (set_id=abuse@communicationsrelayllc.net)
2020-10-10 13:26:53 dovecot_login authenticator failed for (communicationsrelayllc.net) [113.31.104.89]:48584: 535 Incorrect authentication data (set_id=abuse)
2020-10-10 13:29:03 dovecot_login authenticator failed for (rosaritowebcam.net) [113.31.104.89]:40764: 535 Incorrect authentication data (set_id=nologin)
2020-10-10 13:29:28 dovecot_login authenticator failed for (rosaritowebcam.net) [113.31.104.89]:44472: 535 Incorrect authentication data (set_id=abuse@rosaritowebcam.net)
2020-10-11 01:35:54
attack
Multiple failed SASL logins
2020-09-01 21:54:43
attackbots
Aug 31 14:33:11 nehost postfix/smtpd[1780]: warning: unknown[113.31.104.89]: SASL LOGIN authentication failed: authentication failure
Aug 31 14:33:14 nehost postfix/smtpd[1780]: warning: unknown[113.31.104.89]: SASL LOGIN authentication failed: authentication failure
Aug 31 14:33:15 nehost postfix/smtpd[1780]: warning: unknown[113.31.104.89]: SASL LOGIN authentication failed: authentication failure
2020-09-01 00:41:58
attack
Attempted Brute Force (dovecot)
2020-08-02 01:47:15
attackbotsspam
Jun 29 15:07:19 mail postfix/postscreen[10198]: DNSBL rank 3 for [113.31.104.89]:37556
...
2020-07-14 13:46:15
attackbots
Jun 29 09:01:43 elektron postfix/smtpd\[15557\]: warning: unknown\[113.31.104.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 29 09:01:51 elektron postfix/smtpd\[11822\]: warning: unknown\[113.31.104.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 29 09:02:04 elektron postfix/smtpd\[15557\]: warning: unknown\[113.31.104.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 29 10:24:24 elektron postfix/smtpd\[23426\]: warning: unknown\[113.31.104.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 29 10:24:33 elektron postfix/smtpd\[25585\]: warning: unknown\[113.31.104.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-06-29 15:58:32
Comments on same subnet:
IP Type Details Datetime
113.31.104.122 attack
Invalid user admin from 113.31.104.122 port 60852
2020-04-20 21:39:34
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 113.31.104.89
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13270
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			456	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020062900 1800 900 604800 86400

;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jun 29 15:58:25 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 89.104.31.113.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 89.104.31.113.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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...
2020-10-14 05:56:12
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SSH Brute Force
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ET DROP Dshield Block Listed Source group 1 - port: 39596 proto: tcp cat: Misc Attackbytes: 60
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74.120.14.18 attack
 TCP (SYN) 74.120.14.18:63537 -> port 8080, len 44
2020-10-14 05:41:37
79.136.70.159 attackbotsspam
SSH Brute Force
2020-10-14 06:01:41
45.129.33.145 attack
ET DROP Dshield Block Listed Source group 1 - port: 39557 proto: tcp cat: Misc Attackbytes: 60
2020-10-14 05:45:18
203.81.242.22 attackspam
1602622202 - 10/13/2020 22:50:02 Host: 203.81.242.22/203.81.242.22 Port: 445 TCP Blocked
2020-10-14 05:51:26
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Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-10-13T22:02:40Z and 2020-10-13T22:10:56Z
2020-10-14 06:18:08
45.129.33.56 attackbots
ET DROP Dshield Block Listed Source group 1 - port: 13478 proto: tcp cat: Misc Attackbytes: 60
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