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: Telekommunikation Mittleres Ruhrgebiet GmbH

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
Apr 14 06:50:15 debian-2gb-nbg1-2 kernel: \[9098806.465078\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=212.23.138.78 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=11419 PROTO=TCP SPT=45450 DPT=25 WINDOW=1024 RES=0x00 SYN URGP=0
2020-04-14 13:08:16
attackspambots
Apr  9 05:47:28 debian-2gb-nbg1-2 kernel: \[8663062.722467\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=212.23.138.78 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=28400 PROTO=TCP SPT=49547 DPT=1433 WINDOW=1024 RES=0x00 SYN URGP=0
2020-04-09 20:53:24
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 212.23.138.78
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18085
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			148	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020040900 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Apr 09 20:53:20 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 78.138.23.212.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 78.138.23.212.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
78.189.213.11 attackbotsspam
Unauthorized connection attempt from IP address 78.189.213.11 on Port 445(SMB)
2020-09-23 06:20:31
212.12.20.7 attack
Unauthorized connection attempt from IP address 212.12.20.7 on Port 445(SMB)
2020-09-23 05:59:48
68.183.82.166 attackspambots
SSH Invalid Login
2020-09-23 06:02:42
184.72.65.244 attackbots
Automatic report - Port Scan
2020-09-23 06:11:30
217.182.68.147 attackbots
$f2bV_matches
2020-09-23 06:13:19
193.255.95.253 attack
Unauthorized connection attempt from IP address 193.255.95.253 on Port 445(SMB)
2020-09-23 05:57:50
159.65.15.106 attack
Sep 22 23:53:15 marvibiene sshd[17683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.15.106 
Sep 22 23:53:17 marvibiene sshd[17683]: Failed password for invalid user test1 from 159.65.15.106 port 34984 ssh2
2020-09-23 06:06:02
132.145.158.230 attackbots
$f2bV_matches
2020-09-23 05:55:25
115.55.144.10 attack
DATE:2020-09-22 19:04:25, IP:115.55.144.10, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)
2020-09-23 06:09:25
94.25.236.232 attackbots
Unauthorized connection attempt from IP address 94.25.236.232 on Port 445(SMB)
2020-09-23 05:57:13
106.52.150.93 attackspam
20 attempts against mh-ssh on frost
2020-09-23 05:50:52
94.25.169.100 attackbots
Unauthorized connection attempt from IP address 94.25.169.100 on Port 445(SMB)
2020-09-23 05:54:42
212.195.194.166 attackspambots
Lines containing failures of 212.195.194.166
Sep 22 18:42:51 ntop sshd[14683]: Invalid user pi from 212.195.194.166 port 59698
Sep 22 18:42:51 ntop sshd[14684]: Invalid user pi from 212.195.194.166 port 59700
Sep 22 18:42:51 ntop sshd[14683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.195.194.166 
Sep 22 18:42:51 ntop sshd[14684]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.195.194.166 
Sep 22 18:42:53 ntop sshd[14683]: Failed password for invalid user pi from 212.195.194.166 port 59698 ssh2
Sep 22 18:42:53 ntop sshd[14684]: Failed password for invalid user pi from 212.195.194.166 port 59700 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=212.195.194.166
2020-09-23 05:52:37
179.98.9.136 attackbotsspam
Port probing on unauthorized port 23
2020-09-23 06:23:25
84.208.218.37 attackbots
20 attempts against mh-ssh on lb
2020-09-23 06:06:49

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