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: Beijing

Region: Beijing

Country: China

Internet Service Provider: Tencent Cloud Computing (Beijing) Co. Ltd.

Hostname: unknown

Organization: Shenzhen Tencent Computer Systems Company Limited

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
2019-10-28T20:44:17.140500abusebot.cloudsearch.cf sshd\[24939\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51  user=root
2019-10-29 04:51:00
attackbots
Oct 25 00:21:53 MK-Soft-VM6 sshd[8241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51 
Oct 25 00:21:55 MK-Soft-VM6 sshd[8241]: Failed password for invalid user net from 139.199.100.51 port 29245 ssh2
...
2019-10-25 07:28:42
attackspambots
5x Failed Password
2019-10-24 23:05:46
attackspam
Oct 24 03:55:43 www_kotimaassa_fi sshd[27198]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
Oct 24 03:55:45 www_kotimaassa_fi sshd[27198]: Failed password for invalid user training from 139.199.100.51 port 55248 ssh2
...
2019-10-24 12:17:05
attackspambots
2019-10-22T03:58:34.330626abusebot.cloudsearch.cf sshd\[21751\]: Invalid user 12345 from 139.199.100.51 port 19703
2019-10-22 12:00:21
attack
Oct 21 12:21:35 dev0-dcde-rnet sshd[18430]: Failed password for root from 139.199.100.51 port 25386 ssh2
Oct 21 12:26:08 dev0-dcde-rnet sshd[18448]: Failed password for root from 139.199.100.51 port 64086 ssh2
2019-10-21 18:43:15
attackbotsspam
Oct  4 23:46:38 Tower sshd[30856]: Connection from 139.199.100.51 port 3074 on 192.168.10.220 port 22
Oct  4 23:46:41 Tower sshd[30856]: Failed password for root from 139.199.100.51 port 3074 ssh2
Oct  4 23:46:41 Tower sshd[30856]: Received disconnect from 139.199.100.51 port 3074:11: Bye Bye [preauth]
Oct  4 23:46:41 Tower sshd[30856]: Disconnected from authenticating user root 139.199.100.51 port 3074 [preauth]
2019-10-05 17:46:05
attack
Sep 29 07:06:27 site3 sshd\[137108\]: Invalid user map from 139.199.100.51
Sep 29 07:06:27 site3 sshd\[137108\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
Sep 29 07:06:29 site3 sshd\[137108\]: Failed password for invalid user map from 139.199.100.51 port 61497 ssh2
Sep 29 07:11:08 site3 sshd\[137264\]: Invalid user 12345 from 139.199.100.51
Sep 29 07:11:08 site3 sshd\[137264\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
...
2019-09-29 15:16:30
attackbotsspam
Sep 28 06:15:00 tdfoods sshd\[20152\]: Invalid user karen from 139.199.100.51
Sep 28 06:15:00 tdfoods sshd\[20152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
Sep 28 06:15:02 tdfoods sshd\[20152\]: Failed password for invalid user karen from 139.199.100.51 port 1607 ssh2
Sep 28 06:21:10 tdfoods sshd\[20670\]: Invalid user vinoth from 139.199.100.51
Sep 28 06:21:10 tdfoods sshd\[20670\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
2019-09-29 00:21:29
attackbotsspam
Apr 14 19:00:01 vtv3 sshd\[8159\]: Invalid user vrouwerff from 139.199.100.51 port 53063
Apr 14 19:00:01 vtv3 sshd\[8159\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
Apr 14 19:00:03 vtv3 sshd\[8159\]: Failed password for invalid user vrouwerff from 139.199.100.51 port 53063 ssh2
Apr 14 19:07:21 vtv3 sshd\[12162\]: Invalid user csserver from 139.199.100.51 port 39798
Apr 14 19:07:21 vtv3 sshd\[12162\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
Apr 16 06:40:21 vtv3 sshd\[10489\]: Invalid user Access from 139.199.100.51 port 18148
Apr 16 06:40:21 vtv3 sshd\[10489\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
Apr 16 06:40:24 vtv3 sshd\[10489\]: Failed password for invalid user Access from 139.199.100.51 port 18148 ssh2
Apr 16 06:49:45 vtv3 sshd\[14565\]: Invalid user tac1 from 139.199.100.51 port 4829
Apr 16 06:49:45 vtv3 ssh
2019-09-08 05:21:41
attackspam
Aug 20 00:25:26 ny01 sshd[14087]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
Aug 20 00:25:28 ny01 sshd[14087]: Failed password for invalid user artifactory from 139.199.100.51 port 60784 ssh2
Aug 20 00:30:25 ny01 sshd[14614]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
2019-08-20 12:38:04
attackspambots
Aug 19 14:59:04 plusreed sshd[12342]: Invalid user kong from 139.199.100.51
...
2019-08-20 03:16:48
attack
2019-08-17T08:27:34.931419abusebot-7.cloudsearch.cf sshd\[32267\]: Invalid user cu from 139.199.100.51 port 17980
2019-08-17 22:13:57
attackbotsspam
Aug 15 00:36:59 mail sshd\[13008\]: Failed password for invalid user manager1 from 139.199.100.51 port 45348 ssh2
Aug 15 00:56:29 mail sshd\[13486\]: Invalid user nscd from 139.199.100.51 port 45663
Aug 15 00:56:29 mail sshd\[13486\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
...
2019-08-15 08:08:24
attackbotsspam
Aug 13 14:54:38 xeon sshd[19950]: Failed password for invalid user devteam from 139.199.100.51 port 52296 ssh2
2019-08-14 01:12:16
attackspam
2019-07-14T06:58:54.772901  sshd[28353]: Invalid user apptest from 139.199.100.51 port 54029
2019-07-14T06:58:54.787997  sshd[28353]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.51
2019-07-14T06:58:54.772901  sshd[28353]: Invalid user apptest from 139.199.100.51 port 54029
2019-07-14T06:58:56.321967  sshd[28353]: Failed password for invalid user apptest from 139.199.100.51 port 54029 ssh2
2019-07-14T07:04:38.782383  sshd[28442]: Invalid user test from 139.199.100.51 port 40600
...
2019-07-14 13:17:31
Comments on same subnet:
IP Type Details Datetime
139.199.100.228 attackspam
DATE:2020-06-19 20:58:59, IP:139.199.100.228, PORT:ssh SSH brute force auth (docker-dc)
2020-06-20 03:26:20
139.199.100.81 attack
$f2bV_matches
2020-02-27 15:31:49
139.199.100.81 attackspambots
Unauthorized connection attempt detected from IP address 139.199.100.81 to port 2220 [J]
2020-02-23 15:15:56
139.199.100.81 attackspam
2020-02-18T13:51:11.109174vps773228.ovh.net sshd[31252]: Invalid user prueba from 139.199.100.81 port 57170
2020-02-18T13:51:11.124041vps773228.ovh.net sshd[31252]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
2020-02-18T13:51:11.109174vps773228.ovh.net sshd[31252]: Invalid user prueba from 139.199.100.81 port 57170
2020-02-18T13:51:13.632059vps773228.ovh.net sshd[31252]: Failed password for invalid user prueba from 139.199.100.81 port 57170 ssh2
2020-02-18T14:12:17.984207vps773228.ovh.net sshd[31292]: Invalid user o2 from 139.199.100.81 port 39072
2020-02-18T14:12:18.005311vps773228.ovh.net sshd[31292]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
2020-02-18T14:12:17.984207vps773228.ovh.net sshd[31292]: Invalid user o2 from 139.199.100.81 port 39072
2020-02-18T14:12:19.449502vps773228.ovh.net sshd[31292]: Failed password for invalid user o2 from 139.199.100.81 port 39072
...
2020-02-19 05:58:46
139.199.100.81 attackbotsspam
Unauthorized connection attempt detected from IP address 139.199.100.81 to port 2220 [J]
2020-01-15 02:50:32
139.199.100.81 attackbots
Unauthorized connection attempt detected from IP address 139.199.100.81 to port 2220 [J]
2020-01-13 00:54:38
139.199.100.81 attack
$f2bV_matches
2020-01-01 22:45:40
139.199.100.81 attackspam
Repeated failed SSH attempt
2019-12-27 22:34:09
139.199.100.81 attackspam
Jan 24 06:10:49 vtv3 sshd\[6773\]: Invalid user xa from 139.199.100.81 port 50864
Jan 24 06:10:49 vtv3 sshd\[6773\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
Jan 24 06:10:51 vtv3 sshd\[6773\]: Failed password for invalid user xa from 139.199.100.81 port 50864 ssh2
Jan 24 06:17:52 vtv3 sshd\[8419\]: Invalid user eva from 139.199.100.81 port 50452
Jan 24 06:17:52 vtv3 sshd\[8419\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
Feb  4 20:59:00 vtv3 sshd\[3567\]: Invalid user gmodserver from 139.199.100.81 port 54896
Feb  4 20:59:00 vtv3 sshd\[3567\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
Feb  4 20:59:03 vtv3 sshd\[3567\]: Failed password for invalid user gmodserver from 139.199.100.81 port 54896 ssh2
Feb  4 21:06:56 vtv3 sshd\[6146\]: Invalid user jason from 139.199.100.81 port 57530
Feb  4 21:06:56 vtv3 sshd\[6146\]: pam_
2019-11-17 15:21:56
139.199.100.81 attack
Nov  7 09:55:31 game-panel sshd[9400]: Failed password for root from 139.199.100.81 port 53144 ssh2
Nov  7 10:04:49 game-panel sshd[9694]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
Nov  7 10:04:51 game-panel sshd[9694]: Failed password for invalid user benutzer from 139.199.100.81 port 33774 ssh2
2019-11-07 18:08:16
139.199.100.81 attackbots
Nov  4 18:44:44 php1 sshd\[4686\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81  user=root
Nov  4 18:44:45 php1 sshd\[4686\]: Failed password for root from 139.199.100.81 port 34814 ssh2
Nov  4 18:53:45 php1 sshd\[6064\]: Invalid user stas from 139.199.100.81
Nov  4 18:53:45 php1 sshd\[6064\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
Nov  4 18:53:47 php1 sshd\[6064\]: Failed password for invalid user stas from 139.199.100.81 port 46118 ssh2
2019-11-05 13:48:48
139.199.100.81 attack
2019-09-28 00:32:03,561 fail2ban.actions        [818]: NOTICE  [sshd] Ban 139.199.100.81
2019-09-28 04:10:09,324 fail2ban.actions        [818]: NOTICE  [sshd] Ban 139.199.100.81
2019-09-28 07:25:08,268 fail2ban.actions        [818]: NOTICE  [sshd] Ban 139.199.100.81
...
2019-10-03 16:34:41
139.199.100.81 attack
fail2ban
2019-09-22 03:24:55
139.199.100.81 attack
Brute force SMTP login attempted.
...
2019-08-10 01:57:17
139.199.100.81 attackbots
Jul 31 13:16:04 debian sshd\[17535\]: Invalid user cms from 139.199.100.81 port 34032
Jul 31 13:16:04 debian sshd\[17535\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.100.81
...
2019-07-31 20:28:15
Whois info:
b
Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 139.199.100.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40926
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019040701 1800 900 604800 86400

;; Query time: 3 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Mon Apr 08 10:44:55 +08 2019
;; MSG SIZE  rcvd: 118

Host info
Host 51.100.199.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

** server can't find 51.100.199.139.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
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"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:58:05
119.90.34.135 attackspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:21:30
121.134.131.38 attackbotsspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:54:34
121.122.54.102 attack
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:56:15
122.140.95.92 attackbots
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:47:37
121.58.243.202 attackspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:58:56
121.69.48.162 attackspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:57:49
120.50.27.74 attackbots
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:13:43
119.235.50.8 attack
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:16:59
122.161.136.205 attackbots
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:43:04
120.236.135.204 attackspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:05:16
119.18.152.137 attackbotsspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:31:44
119.252.170.90 attackbots
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:16:30
120.197.53.252 attackspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:09:57
119.39.84.75 attackspambots
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 02:27:28

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