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:
b
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
106.12.79.145 attack
Jun  5 20:14:52 vps46666688 sshd[31781]: Failed password for root from 106.12.79.145 port 45088 ssh2
...
2020-06-06 07:45:45
77.245.148.79 attack
IP 77.245.148.79 attacked honeypot on port: 1433 at 6/5/2020 9:25:30 PM
2020-06-06 07:30:20
207.180.211.90 attackspambots
Detected by Maltrail
2020-06-06 07:36:12
151.80.155.98 attackspam
Jun  5 18:52:30 ny01 sshd[5609]: Failed password for root from 151.80.155.98 port 56070 ssh2
Jun  5 18:55:43 ny01 sshd[6412]: Failed password for root from 151.80.155.98 port 59398 ssh2
2020-06-06 07:21:02
163.44.151.51 attack
$f2bV_matches
2020-06-06 07:40:34
112.85.42.94 attack
Jun  6 01:09:57 ArkNodeAT sshd\[29756\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.94  user=root
Jun  6 01:09:58 ArkNodeAT sshd\[29756\]: Failed password for root from 112.85.42.94 port 37518 ssh2
Jun  6 01:09:59 ArkNodeAT sshd\[29758\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.94  user=root
2020-06-06 07:43:24
198.98.54.28 attack
Invalid user admin from 198.98.54.28 port 49396
2020-06-06 07:12:40
121.241.244.92 attack
Jun  6 01:14:43 srv-ubuntu-dev3 sshd[105167]: Invalid user P@ssword741\r from 121.241.244.92
Jun  6 01:14:43 srv-ubuntu-dev3 sshd[105167]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.241.244.92
Jun  6 01:14:43 srv-ubuntu-dev3 sshd[105167]: Invalid user P@ssword741\r from 121.241.244.92
Jun  6 01:14:45 srv-ubuntu-dev3 sshd[105167]: Failed password for invalid user P@ssword741\r from 121.241.244.92 port 45433 ssh2
Jun  6 01:19:13 srv-ubuntu-dev3 sshd[105898]: Invalid user hik@WSX#edc\r from 121.241.244.92
Jun  6 01:19:13 srv-ubuntu-dev3 sshd[105898]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.241.244.92
Jun  6 01:19:13 srv-ubuntu-dev3 sshd[105898]: Invalid user hik@WSX#edc\r from 121.241.244.92
Jun  6 01:19:15 srv-ubuntu-dev3 sshd[105898]: Failed password for invalid user hik@WSX#edc\r from 121.241.244.92 port 38012 ssh2
Jun  6 01:23:40 srv-ubuntu-dev3 sshd[106603]: Invalid user conecta\r fro
...
2020-06-06 07:30:56
203.75.29.110 attackbots
Jun  6 03:58:35 gw1 sshd[7644]: Failed password for root from 203.75.29.110 port 36666 ssh2
...
2020-06-06 07:31:27
112.85.42.178 attackspambots
Jun  6 01:12:49 mail sshd\[12372\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.178  user=root
Jun  6 01:12:50 mail sshd\[12372\]: Failed password for root from 112.85.42.178 port 39703 ssh2
Jun  6 01:12:53 mail sshd\[12372\]: Failed password for root from 112.85.42.178 port 39703 ssh2
...
2020-06-06 07:18:34
212.62.104.19 attackbotsspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-06-06 07:24:55
159.65.144.64 attack
Jun  6 00:54:07 lnxmail61 sshd[18762]: Failed password for root from 159.65.144.64 port 52838 ssh2
Jun  6 00:54:07 lnxmail61 sshd[18762]: Failed password for root from 159.65.144.64 port 52838 ssh2
2020-06-06 07:09:09
123.31.32.150 attackspam
SSH Brute Force
2020-06-06 07:42:54
182.138.148.201 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-06-06 07:23:57
51.77.137.230 attackbotsspam
Jun  5 17:45:20 firewall sshd[4279]: Failed password for root from 51.77.137.230 port 52196 ssh2
Jun  5 17:48:46 firewall sshd[4403]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.137.230  user=root
Jun  5 17:48:48 firewall sshd[4403]: Failed password for root from 51.77.137.230 port 56000 ssh2
...
2020-06-06 07:32:39

Recently Reported IPs

180.79.62.184 128.149.167.104 194.178.126.217 190.186.198.68
142.93.151.111 116.111.111.229 171.224.191.227 46.166.173.149
94.102.49.137 123.16.90.59 180.241.249.2 134.132.213.203
151.242.75.79 134.122.121.17 160.30.45.22 115.204.64.34
192.135.111.44 85.44.159.190 169.245.48.16 50.229.98.81