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: Germany

Internet Service Provider: Deutsche Telekom AG

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
Lines containing failures of 91.47.43.48
Apr 24 07:41:30 neweola sshd[25242]: Connection closed by 91.47.43.48 port 55214 [preauth]
Apr 24 07:50:42 neweola sshd[25480]: Invalid user manas from 91.47.43.48 port 37944
Apr 24 07:50:42 neweola sshd[25480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.47.43.48 
Apr 24 07:50:44 neweola sshd[25480]: Failed password for invalid user manas from 91.47.43.48 port 37944 ssh2
Apr 24 07:50:46 neweola sshd[25480]: Received disconnect from 91.47.43.48 port 37944:11: Bye Bye [preauth]
Apr 24 07:50:46 neweola sshd[25480]: Disconnected from invalid user manas 91.47.43.48 port 37944 [preauth]
Apr 24 07:59:44 neweola sshd[25736]: Invalid user jounetsu from 91.47.43.48 port 48930
Apr 24 07:59:44 neweola sshd[25736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.47.43.48 


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=91.47.43.48
2020-04-25 02:24:56
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 91.47.43.48
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36447
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			130	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020042401 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Apr 25 02:24:51 CST 2020
;; MSG SIZE  rcvd: 115
Host info
48.43.47.91.in-addr.arpa domain name pointer p5B2F2B30.dip0.t-ipconnect.de.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
48.43.47.91.in-addr.arpa	name = p5B2F2B30.dip0.t-ipconnect.de.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
36.70.51.171 attackspambots
Unauthorized connection attempt from IP address 36.70.51.171 on Port 445(SMB)
2020-04-10 00:54:13
52.66.222.63 attackbots
$f2bV_matches
2020-04-10 01:28:36
77.232.100.131 attack
Lines containing failures of 77.232.100.131 (max 1000)
Apr  8 17:14:00 mxbb sshd[9936]: Invalid user monhostnameor from 77.232.100.131 port 55924
Apr  8 17:14:00 mxbb sshd[9936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.232.100.131
Apr  8 17:14:02 mxbb sshd[9936]: Failed password for invalid user monhostnameor from 77.232.100.131 port 55924 ssh2
Apr  8 17:14:02 mxbb sshd[9936]: Received disconnect from 77.232.100.131 port 55924:11: Bye Bye [preauth]
Apr  8 17:14:02 mxbb sshd[9936]: Disconnected from 77.232.100.131 port 55924 [preauth]
Apr  8 17:19:52 mxbb sshd[10069]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.232.100.131  user=r.r
Apr  8 17:19:55 mxbb sshd[10069]: Failed password for r.r from 77.232.100.131 port 42342 ssh2
Apr  8 17:19:55 mxbb sshd[10069]: Received disconnect from 77.232.100.131 port 42342:11: Bye Bye [preauth]
Apr  8 17:19:55 mxbb sshd[10069]: Disconnected........
------------------------------
2020-04-10 01:10:24
193.242.195.222 attackspam
Unauthorized connection attempt from IP address 193.242.195.222 on Port 445(SMB)
2020-04-10 00:55:45
89.153.133.170 attack
Unauthorized connection attempt from IP address 89.153.133.170 on Port 445(SMB)
2020-04-10 01:29:30
49.235.92.215 attackspambots
Apr  9 15:23:01 vps647732 sshd[19988]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.92.215
Apr  9 15:23:03 vps647732 sshd[19988]: Failed password for invalid user deploy from 49.235.92.215 port 46442 ssh2
...
2020-04-10 01:12:56
101.91.119.132 attackbots
Apr  9 15:01:00 host sshd[18507]: Invalid user deploy from 101.91.119.132 port 47116
...
2020-04-10 01:09:32
2.181.179.55 attackbots
Unauthorized connection attempt from IP address 2.181.179.55 on Port 445(SMB)
2020-04-10 01:14:55
49.232.97.184 attackbots
Apr  9 07:52:01 server1 sshd\[23580\]: Invalid user kenji from 49.232.97.184
Apr  9 07:52:01 server1 sshd\[23580\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.97.184 
Apr  9 07:52:03 server1 sshd\[23580\]: Failed password for invalid user kenji from 49.232.97.184 port 47020 ssh2
Apr  9 07:55:50 server1 sshd\[24608\]: Invalid user daniel from 49.232.97.184
Apr  9 07:55:50 server1 sshd\[24608\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.97.184 
...
2020-04-10 01:21:05
106.75.49.143 attack
Apr  9 16:46:28 lock-38 sshd[786843]: Invalid user postgres from 106.75.49.143 port 44028
Apr  9 16:46:28 lock-38 sshd[786843]: Failed password for invalid user postgres from 106.75.49.143 port 44028 ssh2
Apr  9 16:52:54 lock-38 sshd[786998]: Invalid user test from 106.75.49.143 port 45526
Apr  9 16:52:54 lock-38 sshd[786998]: Invalid user test from 106.75.49.143 port 45526
Apr  9 16:52:54 lock-38 sshd[786998]: Failed password for invalid user test from 106.75.49.143 port 45526 ssh2
...
2020-04-10 01:25:55
85.26.232.124 attackspam
Unauthorized connection attempt from IP address 85.26.232.124 on Port 445(SMB)
2020-04-10 01:27:05
122.51.213.140 attackspam
(sshd) Failed SSH login from 122.51.213.140 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr  9 16:46:27 srv sshd[19738]: Invalid user coin from 122.51.213.140 port 53768
Apr  9 16:46:29 srv sshd[19738]: Failed password for invalid user coin from 122.51.213.140 port 53768 ssh2
Apr  9 16:58:18 srv sshd[20904]: Invalid user ubuntu from 122.51.213.140 port 47368
Apr  9 16:58:21 srv sshd[20904]: Failed password for invalid user ubuntu from 122.51.213.140 port 47368 ssh2
Apr  9 17:02:09 srv sshd[21294]: Invalid user aticara from 122.51.213.140 port 57490
2020-04-10 01:26:43
164.132.98.19 attackspambots
Apr  9 17:20:03 roki sshd[4628]: Invalid user admin from 164.132.98.19
Apr  9 17:20:03 roki sshd[4628]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.98.19
Apr  9 17:20:04 roki sshd[4628]: Failed password for invalid user admin from 164.132.98.19 port 33202 ssh2
Apr  9 17:31:41 roki sshd[5410]: Invalid user deepthi from 164.132.98.19
Apr  9 17:31:41 roki sshd[5410]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.98.19
...
2020-04-10 00:51:47
59.120.197.109 attack
Unauthorized connection attempt from IP address 59.120.197.109 on Port 445(SMB)
2020-04-10 01:31:18
67.205.162.223 attack
2020-04-09T07:00:35.907583linuxbox-skyline sshd[44294]: Invalid user teste from 67.205.162.223 port 33798
...
2020-04-10 01:39:17

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