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: Russian Federation

Internet Service Provider: ZAO ElectronTelecom

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackbotsspam
Apr 11 16:02:44 node002 sshd[11638]: Did not receive identification string from 83.243.65.121 port 37278
Apr 11 16:02:53 node002 sshd[11699]: Did not receive identification string from 83.243.65.121 port 48266
Apr 11 16:03:22 node002 sshd[11964]: Invalid user node from 83.243.65.121 port 56164
Apr 11 16:03:22 node002 sshd[11964]: Received disconnect from 83.243.65.121 port 56164:11: Normal Shutdown, Thank you for playing [preauth]
Apr 11 16:03:22 node002 sshd[11964]: Disconnected from 83.243.65.121 port 56164 [preauth]
Apr 11 16:03:30 node002 sshd[12023]: Received disconnect from 83.243.65.121 port 35760:11: Normal Shutdown, Thank you for playing [preauth]
Apr 11 16:03:30 node002 sshd[12023]: Disconnected from 83.243.65.121 port 35760 [preauth]
Apr 11 16:03:40 node002 sshd[12111]: Received disconnect from 83.243.65.121 port 43608:11: Normal Shutdown, Thank you for playing [preauth]
Apr 11 16:03:40 node002 sshd[12111]: Disconnected from 83.243.65.121 port 43608 [preauth]
Apr 11 16:03:49
2020-04-11 22:13:21
attack
Apr  1 03:48:35 work-partkepr sshd\[8671\]: Invalid user node from 83.243.65.121 port 34000
Apr  1 03:48:35 work-partkepr sshd\[8671\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.243.65.121
...
2020-04-01 18:13:17
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 83.243.65.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50149
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			206	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020033102 1800 900 604800 86400

;; Query time: 75 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Apr 01 18:13:12 CST 2020
;; MSG SIZE  rcvd: 117
Host info
121.65.243.83.in-addr.arpa domain name pointer lenspecsmu.etelecom.spb.ru.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
121.65.243.83.in-addr.arpa	name = lenspecsmu.etelecom.spb.ru.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
200.122.234.203 attack
Sep  9 01:50:39 OPSO sshd\[13172\]: Invalid user ts3 from 200.122.234.203 port 43126
Sep  9 01:50:39 OPSO sshd\[13172\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.122.234.203
Sep  9 01:50:40 OPSO sshd\[13172\]: Failed password for invalid user ts3 from 200.122.234.203 port 43126 ssh2
Sep  9 01:55:03 OPSO sshd\[13381\]: Invalid user git from 200.122.234.203 port 49862
Sep  9 01:55:03 OPSO sshd\[13381\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.122.234.203
2019-09-09 07:59:40
182.73.111.150 attack
firewall-block, port(s): 8080/tcp
2019-09-09 07:46:13
117.60.134.248 attackspambots
SSHAttack
2019-09-09 08:12:21
103.219.61.3 attackbots
Sep  9 00:37:54 ArkNodeAT sshd\[5203\]: Invalid user zhr from 103.219.61.3
Sep  9 00:37:54 ArkNodeAT sshd\[5203\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.219.61.3
Sep  9 00:37:57 ArkNodeAT sshd\[5203\]: Failed password for invalid user zhr from 103.219.61.3 port 42274 ssh2
2019-09-09 07:31:26
115.74.251.222 attackspam
Unauthorized connection attempt from IP address 115.74.251.222 on Port 445(SMB)
2019-09-09 08:02:13
165.22.59.25 attackbotsspam
2019-09-08T23:35:27.609094centos sshd\[28688\]: Invalid user ubuntu from 165.22.59.25 port 57468
2019-09-08T23:35:27.614872centos sshd\[28688\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.59.25
2019-09-08T23:35:29.742090centos sshd\[28688\]: Failed password for invalid user ubuntu from 165.22.59.25 port 57468 ssh2
2019-09-09 07:47:29
218.98.40.154 attackbotsspam
Sep  8 22:24:36 *** sshd[2592]: User root from 218.98.40.154 not allowed because not listed in AllowUsers
2019-09-09 07:59:17
103.38.175.61 attackbots
445/tcp 445/tcp 445/tcp...
[2019-08-22/09-08]6pkt,1pt.(tcp)
2019-09-09 07:32:40
49.247.132.79 attackspam
Sep  8 12:48:32 eddieflores sshd\[27284\]: Invalid user m1n3cr@ft from 49.247.132.79
Sep  8 12:48:32 eddieflores sshd\[27284\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.132.79
Sep  8 12:48:34 eddieflores sshd\[27284\]: Failed password for invalid user m1n3cr@ft from 49.247.132.79 port 35666 ssh2
Sep  8 12:53:16 eddieflores sshd\[27733\]: Invalid user ftp123 from 49.247.132.79
Sep  8 12:53:16 eddieflores sshd\[27733\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.132.79
2019-09-09 07:31:46
89.39.15.51 attackspam
firewall-block, port(s): 34567/tcp
2019-09-09 07:58:34
51.253.15.27 attack
This IP address was blacklisted for the following reason:  /de/jobs/produktionsplaner-fertigungssteuerer-m-w-d/" @ 2019-08-09T15:32:39+02:00.
2019-09-09 08:00:32
159.203.199.70 attackbots
port scan and connect, tcp 465 (smtps)
2019-09-09 08:04:55
183.83.252.202 attackspambots
Unauthorized connection attempt from IP address 183.83.252.202 on Port 445(SMB)
2019-09-09 07:45:52
222.186.52.89 attack
Sep  8 13:19:16 lcdev sshd\[1046\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.89  user=root
Sep  8 13:19:18 lcdev sshd\[1046\]: Failed password for root from 222.186.52.89 port 38790 ssh2
Sep  8 13:19:23 lcdev sshd\[1058\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.89  user=root
Sep  8 13:19:25 lcdev sshd\[1058\]: Failed password for root from 222.186.52.89 port 12670 ssh2
Sep  8 13:19:28 lcdev sshd\[1058\]: Failed password for root from 222.186.52.89 port 12670 ssh2
2019-09-09 07:33:17
85.104.248.55 attack
Automatic report - Port Scan Attack
2019-09-09 08:03:17

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