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: Vivo S.A.

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackspam
Sep 26 06:25:53 vpxxxxxxx22308 sshd[13844]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.19.55.136  user=r.r
Sep 26 06:25:56 vpxxxxxxx22308 sshd[13844]: Failed password for r.r from 191.19.55.136 port 54400 ssh2
Sep 26 06:25:58 vpxxxxxxx22308 sshd[13844]: Failed password for r.r from 191.19.55.136 port 54400 ssh2
Sep 26 06:26:00 vpxxxxxxx22308 sshd[13844]: Failed password for r.r from 191.19.55.136 port 54400 ssh2
Sep 26 06:26:03 vpxxxxxxx22308 sshd[13844]: Failed password for r.r from 191.19.55.136 port 54400 ssh2
Sep 26 06:26:05 vpxxxxxxx22308 sshd[13844]: Failed password for r.r from 191.19.55.136 port 54400 ssh2
Sep 26 06:26:07 vpxxxxxxx22308 sshd[13844]: Failed password for r.r from 191.19.55.136 port 54400 ssh2

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=191.19.55.136
2019-09-28 16:35:02
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 191.19.55.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36947
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			377	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019092800 1800 900 604800 86400

;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Sep 28 16:34:55 CST 2019
;; MSG SIZE  rcvd: 117
Host info
136.55.19.191.in-addr.arpa domain name pointer 191-19-55-136.user.vivozap.com.br.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
136.55.19.191.in-addr.arpa	name = 191-19-55-136.user.vivozap.com.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
117.201.203.156 attackspambots
" "
2020-04-03 02:34:27
51.75.208.183 attackspam
Apr  2 19:00:00 host5 sshd[25172]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip183.ip-51-75-208.eu  user=root
Apr  2 19:00:02 host5 sshd[25172]: Failed password for root from 51.75.208.183 port 55290 ssh2
...
2020-04-03 02:22:36
223.74.154.215 attackbots
Brute Force
2020-04-03 02:51:35
107.181.174.74 attackspam
Automatic report - SSH Brute-Force Attack
2020-04-03 02:48:03
129.211.99.128 attackbotsspam
Fail2Ban Ban Triggered (2)
2020-04-03 02:57:46
198.108.67.58 attack
04/02/2020-08:42:46.055418 198.108.67.58 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-04-03 02:50:37
222.186.30.35 attackspam
SSH authentication failure x 6 reported by Fail2Ban
...
2020-04-03 02:56:04
222.101.206.56 attack
Invalid user uo from 222.101.206.56 port 49664
2020-04-03 02:26:20
88.210.57.161 attackspambots
Apr  2 13:15:32 amida sshd[760210]: Did not receive identification string from 88.210.57.161
Apr  2 13:23:45 amida sshd[762496]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.210.57.161  user=r.r
Apr  2 13:23:48 amida sshd[762496]: Failed password for r.r from 88.210.57.161 port 41418 ssh2
Apr  2 13:23:48 amida sshd[762496]: Received disconnect from 88.210.57.161: 11: Normal Shutdown, Thank you for playing [preauth]
Apr  2 13:27:43 amida sshd[763926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.210.57.161  user=r.r
Apr  2 13:27:46 amida sshd[763926]: Failed password for r.r from 88.210.57.161 port 50242 ssh2
Apr  2 13:27:46 amida sshd[763926]: Received disconnect from 88.210.57.161: 11: Normal Shutdown, Thank you for playing [preauth]
Apr  2 13:31:50 amida sshd[765337]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.210.57.161  user=r.r........
-------------------------------
2020-04-03 02:47:05
122.51.246.47 attackbots
SSH/22 MH Probe, BF, Hack -
2020-04-03 02:52:02
89.100.106.42 attackbots
Invalid user jvp from 89.100.106.42 port 38894
2020-04-03 02:28:22
185.202.1.240 attackbots
SSH Brute Force
2020-04-03 02:24:30
138.59.239.44 attack
Automatic report - Port Scan Attack
2020-04-03 02:48:33
72.74.151.205 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-04-03 02:43:46
157.245.126.49 attackspambots
2020-04-02T14:07:50.219942shield sshd\[26102\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.126.49  user=root
2020-04-02T14:07:52.562049shield sshd\[26102\]: Failed password for root from 157.245.126.49 port 48080 ssh2
2020-04-02T14:11:45.027975shield sshd\[27104\]: Invalid user vmail from 157.245.126.49 port 57936
2020-04-02T14:11:45.032549shield sshd\[27104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.126.49
2020-04-02T14:11:46.968265shield sshd\[27104\]: Failed password for invalid user vmail from 157.245.126.49 port 57936 ssh2
2020-04-03 02:37:06

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