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: Singapore

Internet Service Provider: OVH Singapore Pte. Ltd

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
Oct 16 19:21:16 localhost postfix/smtpd[2773]: disconnect from unknown[139.99.76.120] ehlo=1 auth=0/1 quhostname=1 commands=2/3
Oct 16 19:50:45 localhost postfix/smtpd[10820]: disconnect from unknown[139.99.76.120] ehlo=1 auth=0/1 quhostname=1 commands=2/3
Oct 16 19:51:08 localhost postfix/smtpd[10820]: disconnect from unknown[139.99.76.120] ehlo=1 auth=0/1 quhostname=1 commands=2/3
Oct 16 19:51:25 localhost postfix/smtpd[10820]: disconnect from unknown[139.99.76.120] ehlo=1 auth=0/1 quhostname=1 commands=2/3
Oct 16 20:23:21 localhost postfix/smtpd[18930]: disconnect from unknown[139.99.76.120] ehlo=1 auth=0/1 quhostname=1 commands=2/3


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=139.99.76.120
2019-10-20 19:44:45
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 139.99.76.120
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62777
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			534	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019102000 1800 900 604800 86400

;; Query time: 112 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Oct 20 19:44:41 CST 2019
;; MSG SIZE  rcvd: 117
Host info
120.76.99.139.in-addr.arpa domain name pointer ip-139-99-76.eu.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
120.76.99.139.in-addr.arpa	name = ip-139-99-76.eu.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
139.59.61.134 attackbots
Dec 16 10:02:47 vps647732 sshd[10931]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.61.134
Dec 16 10:02:49 vps647732 sshd[10931]: Failed password for invalid user dovecot from 139.59.61.134 port 42942 ssh2
...
2019-12-16 17:19:30
40.92.5.28 attack
Dec 16 09:27:24 debian-2gb-vpn-nbg1-1 kernel: [856014.497940] [UFW BLOCK] IN=eth0 OUT= MAC=96:00:00:38:96:44:d2:74:7f:6e:37:e3:08:00 SRC=40.92.5.28 DST=78.46.192.101 LEN=40 TOS=0x00 PREC=0x00 TTL=230 ID=32163 DF PROTO=TCP SPT=11076 DPT=25 WINDOW=0 RES=0x00 ACK RST URGP=0
2019-12-16 17:23:12
197.245.40.233 attackbotsspam
IP: 197.245.40.233
ASN: AS11845 Vox-Telecom
Port: IMAP over TLS protocol 993
Found in one or more Blacklists
Date: 16/12/2019 6:27:09 AM UTC
2019-12-16 17:44:13
36.71.165.52 attackbots
Unauthorized connection attempt detected from IP address 36.71.165.52 to port 445
2019-12-16 17:43:55
134.209.50.169 attackspam
Dec 15 23:05:45 auw2 sshd\[7512\]: Invalid user kjkbs from 134.209.50.169
Dec 15 23:05:45 auw2 sshd\[7512\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.50.169
Dec 15 23:05:47 auw2 sshd\[7512\]: Failed password for invalid user kjkbs from 134.209.50.169 port 37006 ssh2
Dec 15 23:11:04 auw2 sshd\[8262\]: Invalid user elleker from 134.209.50.169
Dec 15 23:11:04 auw2 sshd\[8262\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.50.169
2019-12-16 17:23:31
202.98.229.44 attack
SSH Bruteforce attempt
2019-12-16 17:55:26
68.183.85.75 attackspam
Dec 16 10:18:30 eventyay sshd[29516]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.85.75
Dec 16 10:18:32 eventyay sshd[29516]: Failed password for invalid user rpc from 68.183.85.75 port 47452 ssh2
Dec 16 10:25:02 eventyay sshd[29725]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.85.75
...
2019-12-16 17:34:07
37.187.60.182 attack
Feb 19 01:14:42 microserver sshd[45897]: Invalid user jenkins from 37.187.60.182 port 41648
Feb 19 01:14:42 microserver sshd[45897]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.60.182
Feb 19 01:14:44 microserver sshd[45897]: Failed password for invalid user jenkins from 37.187.60.182 port 41648 ssh2
Feb 19 01:23:13 microserver sshd[46806]: Invalid user wosch from 37.187.60.182 port 34788
Feb 19 01:23:13 microserver sshd[46806]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.60.182
Jul 29 02:23:53 microserver sshd[17169]: Invalid user shashou from 37.187.60.182 port 58944
Jul 29 02:23:53 microserver sshd[17169]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.60.182
Jul 29 02:23:56 microserver sshd[17169]: Failed password for invalid user shashou from 37.187.60.182 port 58944 ssh2
Jul 29 02:33:20 microserver sshd[19114]: Invalid user dBy4C4j9MJVc from 37.187.60.182 p
2019-12-16 17:25:37
103.74.123.38 attackbots
Dec 16 09:42:25 MK-Soft-Root2 sshd[18226]: Failed password for root from 103.74.123.38 port 41698 ssh2
...
2019-12-16 17:46:35
115.217.18.102 attackbotsspam
FTP Brute Force
2019-12-16 17:21:58
108.246.122.11 attackspambots
Dec 16 07:27:05 MK-Soft-Root1 sshd[25441]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=108.246.122.11 
Dec 16 07:27:05 MK-Soft-Root1 sshd[25442]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=108.246.122.11 
...
2019-12-16 17:49:05
209.97.161.46 attackbots
Dec 16 10:21:00 microserver sshd[36098]: Invalid user test from 209.97.161.46 port 45344
Dec 16 10:21:00 microserver sshd[36098]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.161.46
Dec 16 10:21:01 microserver sshd[36098]: Failed password for invalid user test from 209.97.161.46 port 45344 ssh2
Dec 16 10:27:16 microserver sshd[36987]: Invalid user test from 209.97.161.46 port 52806
Dec 16 10:27:17 microserver sshd[36987]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.161.46
Dec 16 10:39:48 microserver sshd[38737]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.161.46  user=root
Dec 16 10:39:49 microserver sshd[38737]: Failed password for root from 209.97.161.46 port 39508 ssh2
Dec 16 10:46:04 microserver sshd[40050]: Invalid user amano from 209.97.161.46 port 46976
Dec 16 10:46:04 microserver sshd[40050]: pam_unix(sshd:auth): authentication failure; logname= uid=0
2019-12-16 17:32:32
195.158.92.108 attackbotsspam
firewall-block, port(s): 23/tcp
2019-12-16 17:54:22
77.60.37.105 attackspambots
Dec 15 23:11:46 php1 sshd\[23227\]: Invalid user server from 77.60.37.105
Dec 15 23:11:46 php1 sshd\[23227\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.60.37.105
Dec 15 23:11:48 php1 sshd\[23227\]: Failed password for invalid user server from 77.60.37.105 port 39225 ssh2
Dec 15 23:16:46 php1 sshd\[23716\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.60.37.105  user=root
Dec 15 23:16:48 php1 sshd\[23716\]: Failed password for root from 77.60.37.105 port 41421 ssh2
2019-12-16 17:29:46
185.244.167.52 attackspambots
Dec 16 13:03:42 microserver sshd[61546]: Invalid user anastasie from 185.244.167.52 port 53486
Dec 16 13:03:42 microserver sshd[61546]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.244.167.52
Dec 16 13:03:44 microserver sshd[61546]: Failed password for invalid user anastasie from 185.244.167.52 port 53486 ssh2
Dec 16 13:12:44 microserver sshd[63093]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.244.167.52  user=root
Dec 16 13:12:45 microserver sshd[63093]: Failed password for root from 185.244.167.52 port 51430 ssh2
2019-12-16 17:17:16

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