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: United States

Internet Service Provider: DigitalOcean LLC

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspam
2020-05-27T19:37:48.043223shield sshd\[2051\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16  user=root
2020-05-27T19:37:49.805876shield sshd\[2051\]: Failed password for root from 104.131.52.16 port 56850 ssh2
2020-05-27T19:41:05.062076shield sshd\[2782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16  user=root
2020-05-27T19:41:07.868744shield sshd\[2782\]: Failed password for root from 104.131.52.16 port 59372 ssh2
2020-05-27T19:44:16.243548shield sshd\[3309\]: Invalid user 987654321 from 104.131.52.16 port 33660
2020-05-28 03:53:01
attackbots
May 24 13:31:04 mockhub sshd[28814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
May 24 13:31:06 mockhub sshd[28814]: Failed password for invalid user rfielding from 104.131.52.16 port 40895 ssh2
...
2020-05-25 05:43:34
attack
May 22 20:46:59 santamaria sshd\[8690\]: Invalid user xno from 104.131.52.16
May 22 20:46:59 santamaria sshd\[8690\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
May 22 20:47:01 santamaria sshd\[8690\]: Failed password for invalid user xno from 104.131.52.16 port 53500 ssh2
...
2020-05-23 03:28:33
attackbotsspam
May 16 09:12:43 rotator sshd\[12445\]: Invalid user dell from 104.131.52.16May 16 09:12:44 rotator sshd\[12445\]: Failed password for invalid user dell from 104.131.52.16 port 33999 ssh2May 16 09:16:19 rotator sshd\[13233\]: Invalid user user2 from 104.131.52.16May 16 09:16:21 rotator sshd\[13233\]: Failed password for invalid user user2 from 104.131.52.16 port 37188 ssh2May 16 09:19:50 rotator sshd\[13265\]: Invalid user zai from 104.131.52.16May 16 09:19:52 rotator sshd\[13265\]: Failed password for invalid user zai from 104.131.52.16 port 40377 ssh2
...
2020-05-17 01:05:06
attackspam
May 13 12:32:34 xeon sshd[40922]: Failed password for root from 104.131.52.16 port 49912 ssh2
2020-05-13 18:52:19
attackbots
prod11
...
2020-05-09 19:58:11
attackbotsspam
Apr 26 20:08:53 XXX sshd[55185]: Invalid user bot from 104.131.52.16 port 60923
2020-04-27 06:16:56
attackspam
Apr 21 04:06:35 ns392434 sshd[13320]: Invalid user l from 104.131.52.16 port 53625
Apr 21 04:06:35 ns392434 sshd[13320]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
Apr 21 04:06:35 ns392434 sshd[13320]: Invalid user l from 104.131.52.16 port 53625
Apr 21 04:06:37 ns392434 sshd[13320]: Failed password for invalid user l from 104.131.52.16 port 53625 ssh2
Apr 21 04:15:58 ns392434 sshd[13831]: Invalid user ve from 104.131.52.16 port 44733
Apr 21 04:15:58 ns392434 sshd[13831]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
Apr 21 04:15:58 ns392434 sshd[13831]: Invalid user ve from 104.131.52.16 port 44733
Apr 21 04:16:00 ns392434 sshd[13831]: Failed password for invalid user ve from 104.131.52.16 port 44733 ssh2
Apr 21 04:21:39 ns392434 sshd[14069]: Invalid user ubuntu from 104.131.52.16 port 54362
2020-04-26 18:26:10
attackspambots
Apr 25 17:38:34 NPSTNNYC01T sshd[23522]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
Apr 25 17:38:36 NPSTNNYC01T sshd[23522]: Failed password for invalid user thora from 104.131.52.16 port 37083 ssh2
Apr 25 17:43:31 NPSTNNYC01T sshd[23996]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
...
2020-04-26 05:52:06
attackspam
Apr 23 18:14:54 game-panel sshd[4463]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
Apr 23 18:14:56 game-panel sshd[4463]: Failed password for invalid user testtest from 104.131.52.16 port 58119 ssh2
Apr 23 18:19:55 game-panel sshd[4692]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
2020-04-24 02:35:35
attackspam
Apr 18 08:20:47 web8 sshd\[17520\]: Invalid user ubuntu from 104.131.52.16
Apr 18 08:20:47 web8 sshd\[17520\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
Apr 18 08:20:49 web8 sshd\[17520\]: Failed password for invalid user ubuntu from 104.131.52.16 port 33350 ssh2
Apr 18 08:25:24 web8 sshd\[20020\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16  user=root
Apr 18 08:25:25 web8 sshd\[20020\]: Failed password for root from 104.131.52.16 port 36948 ssh2
2020-04-18 17:06:24
attack
Invalid user csserver from 104.131.52.16 port 57415
2020-04-16 17:10:22
attackbots
detected by Fail2Ban
2020-04-15 21:37:28
attack
Apr 10 05:58:20 [host] sshd[14693]: Invalid user w
Apr 10 05:58:20 [host] sshd[14693]: pam_unix(sshd:
Apr 10 05:58:21 [host] sshd[14693]: Failed passwor
2020-04-10 12:48:50
attack
Bruteforce detected by fail2ban
2020-04-10 01:50:04
attackspam
$f2bV_matches
2020-04-07 06:15:24
attackspambots
SSH/22 MH Probe, BF, Hack -
2020-04-05 22:02:52
attackbots
Fail2Ban - SSH Bruteforce Attempt
2020-04-05 00:09:20
attackbotsspam
Mar 30 10:29:12 localhost sshd[19911]: Invalid user fxr from 104.131.52.16 port 52421
...
2020-03-30 18:02:46
attack
SSH Invalid Login
2020-03-28 06:54:06
attackspambots
5x Failed Password
2020-03-25 21:21:26
attackspam
$f2bV_matches
2020-03-22 17:07:19
attackbotsspam
Mar 17 23:52:11 ks10 sshd[2790243]: Failed password for root from 104.131.52.16 port 38279 ssh2
...
2020-03-18 07:32:52
attackspam
2019-12-11T08:13:38.674245suse-nuc sshd[17004]: Invalid user styrax from 104.131.52.16 port 37894
...
2020-02-18 04:33:44
attack
Feb 10 20:08:13 lnxmysql61 sshd[28168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.52.16
2020-02-11 03:40:41
attackspam
Feb  6 20:57:51 plex sshd[29691]: Invalid user pb from 104.131.52.16 port 47247
2020-02-07 04:04:23
attack
Unauthorized connection attempt detected from IP address 104.131.52.16 to port 2220 [J]
2020-01-24 06:16:38
attack
Unauthorized connection attempt detected from IP address 104.131.52.16 to port 2220 [J]
2020-01-07 15:14:15
attack
Unauthorized connection attempt detected from IP address 104.131.52.16 to port 2220 [J]
2020-01-05 18:55:37
attack
SSH/22 MH Probe, BF, Hack -
2019-12-26 02:31:04
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.131.52.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36357
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			546	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019121500 1800 900 604800 86400

;; Query time: 126 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Dec 15 13:57:23 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 16.52.131.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.52.131.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
62.171.144.195 attackbots
[2020-06-05 05:53:46] NOTICE[1288] chan_sip.c: Registration from '' failed for '62.171.144.195:46476' - Wrong password
[2020-06-05 05:53:46] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-05T05:53:46.648-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="german",SessionID="0x7f4d7403c148",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.171.144.195/46476",Challenge="221601ac",ReceivedChallenge="221601ac",ReceivedHash="412cb09d6b2e26ebd58342124f572208"
[2020-06-05 05:55:10] NOTICE[1288] chan_sip.c: Registration from '' failed for '62.171.144.195:54114' - Wrong password
[2020-06-05 05:55:10] SECURITY[1303] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-06-05T05:55:10.899-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="germany1",SessionID="0x7f4d74371bc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD
...
2020-06-05 18:05:48
103.76.211.148 attackspam
20/6/4@23:51:40: FAIL: Alarm-Network address from=103.76.211.148
...
2020-06-05 17:46:10
200.29.241.201 attack
(EC/Ecuador/-) SMTP Bruteforcing attempts
2020-06-05 18:04:33
200.71.66.139 attack
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-05 17:56:51
200.3.16.209 attack
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-05 18:01:10
1.20.219.100 attackspam
 TCP (SYN) 1.20.219.100:11036 -> port 23, len 44
2020-06-05 17:46:35
194.26.29.52 attack
Jun  5 12:06:22 debian-2gb-nbg1-2 kernel: \[13610336.700913\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=194.26.29.52 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=31189 PROTO=TCP SPT=57919 DPT=2541 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-05 18:09:17
51.210.15.231 attackspambots
 TCP (SYN) 51.210.15.231:53597 -> port 60000, len 44
2020-06-05 17:55:45
200.61.26.190 attackbots
(AR/Argentina/-) SMTP Bruteforcing attempts
2020-06-05 17:57:59
157.230.251.115 attackbots
Jun  5 11:59:09 amit sshd\[30501\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.251.115  user=root
Jun  5 11:59:10 amit sshd\[30501\]: Failed password for root from 157.230.251.115 port 44592 ssh2
Jun  5 12:02:48 amit sshd\[15370\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.251.115  user=root
...
2020-06-05 18:13:20
95.84.208.245 attackbotsspam
Port probing on unauthorized port 445
2020-06-05 17:49:17
43.243.75.90 attackbotsspam
Jun  5 03:05:42 tuxlinux sshd[15563]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.243.75.90  user=root
Jun  5 03:05:44 tuxlinux sshd[15563]: Failed password for root from 43.243.75.90 port 53304 ssh2
Jun  5 03:05:42 tuxlinux sshd[15563]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.243.75.90  user=root
Jun  5 03:05:44 tuxlinux sshd[15563]: Failed password for root from 43.243.75.90 port 53304 ssh2
Jun  5 05:51:47 tuxlinux sshd[33607]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.243.75.90  user=root
...
2020-06-05 17:40:56
213.230.67.32 attackspambots
Jun  5 06:51:47 sso sshd[21124]: Failed password for root from 213.230.67.32 port 12330 ssh2
...
2020-06-05 18:20:23
213.204.64.203 attack
Automatic report - XMLRPC Attack
2020-06-05 18:10:48
79.104.44.202 attack
Jun  5 07:57:52 santamaria sshd\[23570\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.104.44.202  user=root
Jun  5 07:57:54 santamaria sshd\[23570\]: Failed password for root from 79.104.44.202 port 52748 ssh2
Jun  5 08:01:46 santamaria sshd\[23653\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.104.44.202  user=root
...
2020-06-05 17:50:22

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