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
69.40.114.163 attackbots
22/tcp
[2020-04-01]1pkt
2020-04-01 22:04:57
106.13.109.27 attackspam
SSH brutforce
2020-04-01 22:04:22
14.188.65.25 attackspam
Unauthorized connection attempt from IP address 14.188.65.25 on Port 445(SMB)
2020-04-01 22:05:44
125.214.59.7 attackbotsspam
9530/tcp
[2020-04-01]1pkt
2020-04-01 21:59:40
113.20.100.20 attack
445/tcp
[2020-04-01]1pkt
2020-04-01 22:16:37
177.37.71.40 attackbotsspam
bruteforce detected
2020-04-01 22:23:21
92.222.66.234 attack
Apr  1 10:30:06 vps46666688 sshd[1810]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.66.234
Apr  1 10:30:09 vps46666688 sshd[1810]: Failed password for invalid user suyansheng from 92.222.66.234 port 38272 ssh2
...
2020-04-01 22:04:02
101.99.55.91 attackspambots
37215/tcp
[2020-04-01]1pkt
2020-04-01 22:34:35
94.191.127.232 attack
21 attempts against mh-misbehave-ban on star
2020-04-01 21:59:05
94.254.117.124 attack
445/tcp
[2020-04-01]1pkt
2020-04-01 22:15:32
119.90.61.36 attack
Apr  1 13:31:44 sigma sshd\[9779\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.90.61.36  user=rootApr  1 13:34:21 sigma sshd\[9785\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.90.61.36  user=root
...
2020-04-01 22:27:17
104.238.205.6 attackbotsspam
RDP
2020-04-01 22:20:04
14.241.231.115 attackbots
5555/tcp
[2020-04-01]1pkt
2020-04-01 22:18:34
185.49.86.54 attack
2020-04-01T12:26:46.666861abusebot-4.cloudsearch.cf sshd[3804]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.49.86.54  user=root
2020-04-01T12:26:48.644175abusebot-4.cloudsearch.cf sshd[3804]: Failed password for root from 185.49.86.54 port 42284 ssh2
2020-04-01T12:31:19.217651abusebot-4.cloudsearch.cf sshd[4045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.49.86.54  user=root
2020-04-01T12:31:21.004670abusebot-4.cloudsearch.cf sshd[4045]: Failed password for root from 185.49.86.54 port 53232 ssh2
2020-04-01T12:35:58.182833abusebot-4.cloudsearch.cf sshd[4336]: Invalid user xiaofei from 185.49.86.54 port 35924
2020-04-01T12:35:58.188138abusebot-4.cloudsearch.cf sshd[4336]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.49.86.54
2020-04-01T12:35:58.182833abusebot-4.cloudsearch.cf sshd[4336]: Invalid user xiaofei from 185.49.86.54 port 35924
2020-04-0
...
2020-04-01 22:06:11
106.54.64.77 attackspam
Apr  1 15:29:21 lukav-desktop sshd\[11769\]: Invalid user www from 106.54.64.77
Apr  1 15:29:21 lukav-desktop sshd\[11769\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.64.77
Apr  1 15:29:23 lukav-desktop sshd\[11769\]: Failed password for invalid user www from 106.54.64.77 port 49100 ssh2
Apr  1 15:34:33 lukav-desktop sshd\[11849\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.64.77  user=root
Apr  1 15:34:36 lukav-desktop sshd\[11849\]: Failed password for root from 106.54.64.77 port 54190 ssh2
2020-04-01 22:02:24

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