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: Brazil

Internet Service Provider: Netpeu Tecnologia e Internet Ltda

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackbotsspam
Oct 13 00:43:38 firewall sshd[13067]: Invalid user guest from 191.243.57.237
Oct 13 00:43:40 firewall sshd[13067]: Failed password for invalid user guest from 191.243.57.237 port 38656 ssh2
Oct 13 00:44:01 firewall sshd[13105]: Invalid user bo from 191.243.57.237
...
2019-10-13 19:34:13
attackbotsspam
Sep 20 23:39:55 microserver sshd[23062]: Invalid user richard from 191.243.57.237 port 42493
Sep 20 23:39:55 microserver sshd[23062]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.243.57.237
Sep 20 23:39:57 microserver sshd[23062]: Failed password for invalid user richard from 191.243.57.237 port 42493 ssh2
Sep 20 23:40:17 microserver sshd[23393]: Invalid user cristopher from 191.243.57.237 port 43116
Sep 20 23:40:17 microserver sshd[23393]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.243.57.237
Sep 20 23:56:36 microserver sshd[25783]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.243.57.237  user=root
Sep 20 23:56:37 microserver sshd[25783]: Failed password for root from 191.243.57.237 port 43192 ssh2
Sep 20 23:56:59 microserver sshd[25815]: Invalid user kouki from 191.243.57.237 port 43837
Sep 20 23:56:59 microserver sshd[25815]: pam_unix(sshd:auth): authentication fail
2019-09-21 06:37:33
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 191.243.57.237
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59376
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			2142	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019082600 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Mon Aug 26 23:28:12 CST 2019
;; MSG SIZE  rcvd: 118
Host info
237.57.243.191.in-addr.arpa domain name pointer 191-243-57-237.netpeu.com.br.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
237.57.243.191.in-addr.arpa	name = 191-243-57-237.netpeu.com.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
88.26.236.2 attackbots
2019-09-02T19:23:05.073384ns557175 sshd\[12852\]: Invalid user joeflores from 88.26.236.2 port 42476
2019-09-02T19:23:05.077987ns557175 sshd\[12852\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.red-88-26-236.staticip.rima-tde.net
2019-09-02T19:23:06.816984ns557175 sshd\[12852\]: Failed password for invalid user joeflores from 88.26.236.2 port 42476 ssh2
2019-09-02T19:28:14.120985ns557175 sshd\[14453\]: Invalid user fmw from 88.26.236.2 port 39916
2019-09-02T19:28:14.126701ns557175 sshd\[14453\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.red-88-26-236.staticip.rima-tde.net
2019-09-02T19:28:15.949806ns557175 sshd\[14453\]: Failed password for invalid user fmw from 88.26.236.2 port 39916 ssh2
2019-09-02T19:31:58.457620ns557175 sshd\[15710\]: Invalid user rmsasi from 88.26.236.2 port 55392
2019-09-02T19:31:58.461959ns557175 sshd\[15710\]: pam_unix\(sshd:auth\): authentication failure\; logn
...
2019-09-05 01:08:53
190.232.0.206 attackbots
port scan and connect, tcp 23 (telnet)
2019-09-05 00:14:56
177.124.89.14 attack
Sep  4 06:46:49 auw2 sshd\[23783\]: Invalid user football from 177.124.89.14
Sep  4 06:46:49 auw2 sshd\[23783\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.124.89.14
Sep  4 06:46:51 auw2 sshd\[23783\]: Failed password for invalid user football from 177.124.89.14 port 58089 ssh2
Sep  4 06:52:37 auw2 sshd\[24347\]: Invalid user test from 177.124.89.14
Sep  4 06:52:37 auw2 sshd\[24347\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.124.89.14
2019-09-05 01:10:23
92.242.44.162 attack
ssh failed login
2019-09-05 00:20:15
23.129.64.215 attack
SSH login attempts brute force.
2019-09-05 00:38:53
37.59.58.142 attackspam
Sep  4 18:43:11 server sshd\[20380\]: Invalid user shoutcast from 37.59.58.142 port 49780
Sep  4 18:43:11 server sshd\[20380\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.58.142
Sep  4 18:43:13 server sshd\[20380\]: Failed password for invalid user shoutcast from 37.59.58.142 port 49780 ssh2
Sep  4 18:47:39 server sshd\[27873\]: Invalid user 7days from 37.59.58.142 port 37086
Sep  4 18:47:39 server sshd\[27873\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.58.142
2019-09-05 01:03:28
130.61.121.78 attackspam
2019-09-02T18:00:00.971121ns557175 sshd\[19033\]: Invalid user ldap from 130.61.121.78 port 53504
2019-09-02T18:00:00.975716ns557175 sshd\[19033\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.121.78
2019-09-02T18:00:03.026132ns557175 sshd\[19033\]: Failed password for invalid user ldap from 130.61.121.78 port 53504 ssh2
2019-09-03T00:17:52.225092ns557175 sshd\[9979\]: Invalid user che from 130.61.121.78 port 35060
2019-09-03T00:17:52.230964ns557175 sshd\[9979\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.121.78
2019-09-03T00:17:54.419079ns557175 sshd\[9979\]: Failed password for invalid user che from 130.61.121.78 port 35060 ssh2
2019-09-03T00:21:35.291274ns557175 sshd\[11184\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.121.78  user=root
2019-09-03T00:21:37.092964ns557175 sshd\[11184\]: Failed password for root from 130.61.
...
2019-09-05 00:18:38
201.212.227.95 attackspambots
F2B jail: sshd. Time: 2019-09-04 15:28:03, Reported by: VKReport
2019-09-05 00:35:28
89.254.148.26 attack
Sep  2 02:36:29 itv-usvr-01 sshd[25391]: Invalid user mai from 89.254.148.26
Sep  2 02:36:29 itv-usvr-01 sshd[25391]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.254.148.26
Sep  2 02:36:29 itv-usvr-01 sshd[25391]: Invalid user mai from 89.254.148.26
Sep  2 02:36:31 itv-usvr-01 sshd[25391]: Failed password for invalid user mai from 89.254.148.26 port 52532 ssh2
Sep  2 02:45:51 itv-usvr-01 sshd[25828]: Invalid user ksb from 89.254.148.26
2019-09-05 00:51:43
218.98.40.143 attackbotsspam
Sep  4 18:21:42 herz-der-gamer sshd[22716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.98.40.143  user=root
Sep  4 18:21:45 herz-der-gamer sshd[22716]: Failed password for root from 218.98.40.143 port 34217 ssh2
...
2019-09-05 00:33:48
165.227.203.162 attackspambots
Sep  4 12:14:51 debian sshd\[32571\]: Invalid user postgres from 165.227.203.162 port 37198
Sep  4 12:14:51 debian sshd\[32571\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.203.162
Sep  4 12:14:53 debian sshd\[32571\]: Failed password for invalid user postgres from 165.227.203.162 port 37198 ssh2
...
2019-09-05 00:18:07
103.102.68.161 attackspambots
445/tcp
[2019-09-04]1pkt
2019-09-05 00:53:02
66.8.205.220 attackbotsspam
Sep  4 17:59:08 dedicated sshd[27517]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.8.205.220  user=root
Sep  4 17:59:10 dedicated sshd[27517]: Failed password for root from 66.8.205.220 port 58276 ssh2
2019-09-05 00:15:18
127.0.0.1 attackbotsspam
Test Connectivity
2019-09-05 00:25:58
49.234.236.126 attackbotsspam
Sep  4 18:10:01 plex sshd[5565]: Invalid user test from 49.234.236.126 port 48158
2019-09-05 00:24:12

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