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: Turkey

Internet Service Provider: Tamer Telekom Telekomunikasyon Bilgisayar Elektronik Yazilim Donanim Sanayi ve Ticaret Limited Sirketi

Hostname: unknown

Organization: unknown

Usage Type: Commercial

Comments:
Type Details Datetime
attackbotsspam
Sep 10 00:21:20 our-server-hostname postfix/smtpd[18617]: connect from unknown[213.142.157.12]
Sep x@x
Sep x@x
Sep x@x
Sep 10 00:21:23 our-server-hostname postfix/smtpd[18617]: disconnect from unknown[213.142.157.12]
Sep 10 00:21:33 our-server-hostname postfix/smtpd[13748]: connect from unknown[213.142.157.12]
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep 10 00:21:40 our-server-hostname postfix/smtpd[13748]: disconnect from unknown[213.142.157.12]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=213.142.157.12
2019-09-09 23:36:37
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 213.142.157.12
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42224
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019090900 1800 900 604800 86400

;; Query time: 3 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Mon Sep 09 23:36:05 CST 2019
;; MSG SIZE  rcvd: 118
Host info
12.157.142.213.in-addr.arpa domain name pointer vpsnode14.webstudio28.com.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
12.157.142.213.in-addr.arpa	name = vpsnode14.webstudio28.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
51.68.121.235 attackspambots
Mar  9 02:41:41 lanister sshd[12886]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.121.235  user=root
Mar  9 02:41:42 lanister sshd[12886]: Failed password for root from 51.68.121.235 port 44600 ssh2
Mar  9 02:48:30 lanister sshd[12968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.121.235  user=root
Mar  9 02:48:32 lanister sshd[12968]: Failed password for root from 51.68.121.235 port 58718 ssh2
2020-03-09 16:37:53
113.74.190.155 attackspambots
Mar  9 04:48:09 mailserver sshd\[2055\]: Invalid user gitlab-prometheus from 113.74.190.155
...
2020-03-09 16:37:12
203.196.24.22 attackbots
Brute force attempt
2020-03-09 16:52:44
60.190.159.42 attack
Honeypot attack, port: 445, PTR: mail.sunvalleypv.com.
2020-03-09 16:52:27
176.113.115.246 attack
Mar  9 09:36:24 debian-2gb-nbg1-2 kernel: \[6002136.500616\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=176.113.115.246 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=60187 PROTO=TCP SPT=58556 DPT=47527 WINDOW=1024 RES=0x00 SYN URGP=0
2020-03-09 16:47:00
49.233.189.218 attackbots
Mar  9 08:31:53 amit sshd\[4060\]: Invalid user test from 49.233.189.218
Mar  9 08:31:53 amit sshd\[4060\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.189.218
Mar  9 08:31:55 amit sshd\[4060\]: Failed password for invalid user test from 49.233.189.218 port 37246 ssh2
...
2020-03-09 16:32:36
186.216.192.154 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-03-09 16:54:11
198.108.66.226 attack
03/08/2020-23:48:03.952992 198.108.66.226 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-03-09 16:40:57
109.87.224.76 attackbots
Honeypot attack, port: 5555, PTR: 76.224.87.109.triolan.net.
2020-03-09 17:08:11
180.245.103.179 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-03-09 16:42:05
134.209.50.169 attack
Mar  9 14:00:17 webhost01 sshd[7203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.50.169
Mar  9 14:00:19 webhost01 sshd[7203]: Failed password for invalid user neutron from 134.209.50.169 port 34446 ssh2
...
2020-03-09 16:52:11
166.62.85.53 attack
webserver:80 [09/Mar/2020]  "GET /admin/ HTTP/1.1" 302 426 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-03-09 17:09:54
188.170.53.162 attack
Mar  9 08:56:08 jane sshd[25133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.170.53.162 
Mar  9 08:56:10 jane sshd[25133]: Failed password for invalid user monitor from 188.170.53.162 port 46534 ssh2
...
2020-03-09 17:04:21
116.100.205.2 attack
Honeypot attack, port: 445, PTR: dynamic-ip-adsl.viettel.vn.
2020-03-09 16:51:51
103.49.189.22 attack
Unauthorized connection attempt from IP address 103.49.189.22 on Port 445(SMB)
2020-03-09 17:01:05

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