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
Aug 31 00:41:01 ny01 sshd[17004]: Failed password for root from 139.99.54.20 port 34572 ssh2
Aug 31 00:45:16 ny01 sshd[17466]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20
Aug 31 00:45:19 ny01 sshd[17466]: Failed password for invalid user ali from 139.99.54.20 port 40168 ssh2
2020-08-31 12:53:16
attack
SSH
2020-08-30 01:54:08
attackbots
$f2bV_matches
2020-07-27 15:54:04
attackspambots
Connection to SSH Honeypot - Detected by HoneypotDB
2020-07-22 06:16:38
attackbots
SSHD brute force attack detected by fail2ban
2020-07-19 16:11:55
attackspambots
2020-07-04T03:21:26.033435na-vps210223 sshd[31605]: Invalid user test1 from 139.99.54.20 port 53094
2020-07-04T03:21:26.041561na-vps210223 sshd[31605]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20
2020-07-04T03:21:26.033435na-vps210223 sshd[31605]: Invalid user test1 from 139.99.54.20 port 53094
2020-07-04T03:21:28.230660na-vps210223 sshd[31605]: Failed password for invalid user test1 from 139.99.54.20 port 53094 ssh2
2020-07-04T03:23:37.151063na-vps210223 sshd[5201]: Invalid user admin from 139.99.54.20 port 59606
...
2020-07-04 15:26:30
attackbotsspam
Jun 18 19:45:28 rush sshd[1735]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20
Jun 18 19:45:30 rush sshd[1735]: Failed password for invalid user acs from 139.99.54.20 port 37198 ssh2
Jun 18 19:49:27 rush sshd[1963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20
...
2020-06-19 04:00:35
attackspam
SSH_attack
2020-06-15 16:46:37
attackspambots
May 31 19:30:25 ns382633 sshd\[13435\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20  user=root
May 31 19:30:26 ns382633 sshd\[13435\]: Failed password for root from 139.99.54.20 port 33044 ssh2
May 31 19:38:20 ns382633 sshd\[14843\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20  user=root
May 31 19:38:22 ns382633 sshd\[14843\]: Failed password for root from 139.99.54.20 port 47142 ssh2
May 31 19:42:13 ns382633 sshd\[15987\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20  user=root
2020-06-01 03:18:08
attackbots
May 24 13:16:17 l02a sshd[23182]: Invalid user salb from 139.99.54.20
May 24 13:16:17 l02a sshd[23182]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20 
May 24 13:16:17 l02a sshd[23182]: Invalid user salb from 139.99.54.20
May 24 13:16:19 l02a sshd[23182]: Failed password for invalid user salb from 139.99.54.20 port 54544 ssh2
2020-05-24 20:35:09
attack
Lines containing failures of 139.99.54.20
May 22 13:52:23 shared09 sshd[4439]: Invalid user nfn from 139.99.54.20 port 41096
May 22 13:52:23 shared09 sshd[4439]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.54.20
May 22 13:52:25 shared09 sshd[4439]: Failed password for invalid user nfn from 139.99.54.20 port 41096 ssh2
May 22 13:52:26 shared09 sshd[4439]: Received disconnect from 139.99.54.20 port 41096:11: Bye Bye [preauth]
May 22 13:52:26 shared09 sshd[4439]: Disconnected from invalid user nfn 139.99.54.20 port 41096 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=139.99.54.20
2020-05-23 02:06:38
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 139.99.54.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8380
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			598	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020052201 1800 900 604800 86400

;; Query time: 99 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat May 23 02:06:34 CST 2020
;; MSG SIZE  rcvd: 116
Host info
20.54.99.139.in-addr.arpa domain name pointer server21.ccdnsworld.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
20.54.99.139.in-addr.arpa	name = server21.ccdnsworld.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
123.206.33.56 attackbots
Sep 20 13:46:44 markkoudstaal sshd[24305]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.33.56
Sep 20 13:46:46 markkoudstaal sshd[24305]: Failed password for invalid user steam from 123.206.33.56 port 48166 ssh2
Sep 20 14:06:09 markkoudstaal sshd[29640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.33.56
...
2020-09-20 20:11:06
128.199.80.164 attackbots
Invalid user stephanie0123 from 128.199.80.164 port 55933
2020-09-20 20:02:36
171.25.193.78 attack
Sep 20 12:02:50 ws26vmsma01 sshd[193144]: Failed password for root from 171.25.193.78 port 48304 ssh2
Sep 20 12:02:52 ws26vmsma01 sshd[193144]: Failed password for root from 171.25.193.78 port 48304 ssh2
...
2020-09-20 20:15:51
218.92.0.185 attackbotsspam
Sep 20 14:26:03 ip106 sshd[11766]: Failed password for root from 218.92.0.185 port 64016 ssh2
Sep 20 14:26:07 ip106 sshd[11766]: Failed password for root from 218.92.0.185 port 64016 ssh2
...
2020-09-20 20:27:16
194.5.207.189 attackspambots
Sep 20 13:12:27 vm2 sshd[2754]: Failed password for root from 194.5.207.189 port 57580 ssh2
...
2020-09-20 20:17:38
185.220.102.244 attackbots
Sep 20 08:10:55 scw-tender-jepsen sshd[22585]: Failed password for root from 185.220.102.244 port 17600 ssh2
Sep 20 08:10:57 scw-tender-jepsen sshd[22585]: Failed password for root from 185.220.102.244 port 17600 ssh2
Sep 20 08:10:57 scw-tender-jepsen sshd[22585]: Failed password for root from 185.220.102.244 port 17600 ssh2
2020-09-20 20:28:03
103.131.71.165 attackbotsspam
(mod_security) mod_security (id:210730) triggered by 103.131.71.165 (VN/Vietnam/bot-103-131-71-165.coccoc.com): 5 in the last 3600 secs
2020-09-20 20:20:19
51.89.136.104 attackbotsspam
Sep 20 13:23:12 mail sshd\[5429\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.136.104  user=root
Sep 20 13:23:14 mail sshd\[5429\]: Failed password for root from 51.89.136.104 port 34762 ssh2
Sep 20 13:30:19 mail sshd\[5963\]: Invalid user ubuntu from 51.89.136.104
Sep 20 13:30:19 mail sshd\[5963\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.136.104
Sep 20 13:30:21 mail sshd\[5963\]: Failed password for invalid user ubuntu from 51.89.136.104 port 45652 ssh2
...
2020-09-20 20:21:59
175.45.58.86 attackbots
Sep 19 18:46:23 extapp sshd[8563]: Invalid user admin from 175.45.58.86
Sep 19 18:46:24 extapp sshd[8563]: Failed password for invalid user admin from 175.45.58.86 port 36882 ssh2
Sep 19 18:46:26 extapp sshd[8565]: Invalid user admin from 175.45.58.86


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=175.45.58.86
2020-09-20 20:04:58
35.234.143.159 attackbots
SSH brute force
2020-09-20 20:35:04
161.35.29.223 attackspam
Sep 20 12:08:42 icinga sshd[24095]: Failed password for root from 161.35.29.223 port 58960 ssh2
Sep 20 12:17:43 icinga sshd[38638]: Failed password for root from 161.35.29.223 port 42698 ssh2
Sep 20 12:21:38 icinga sshd[45353]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.29.223 
...
2020-09-20 20:23:45
222.186.180.17 attackspambots
SSH brutforce
2020-09-20 20:07:34
121.204.141.232 attackbotsspam
Sep 20 13:36:17 meumeu sshd[78314]: Invalid user test from 121.204.141.232 port 47974
Sep 20 13:36:17 meumeu sshd[78314]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.204.141.232 
Sep 20 13:36:17 meumeu sshd[78314]: Invalid user test from 121.204.141.232 port 47974
Sep 20 13:36:19 meumeu sshd[78314]: Failed password for invalid user test from 121.204.141.232 port 47974 ssh2
Sep 20 13:41:14 meumeu sshd[78714]: Invalid user testuser from 121.204.141.232 port 53520
Sep 20 13:41:14 meumeu sshd[78714]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.204.141.232 
Sep 20 13:41:14 meumeu sshd[78714]: Invalid user testuser from 121.204.141.232 port 53520
Sep 20 13:41:16 meumeu sshd[78714]: Failed password for invalid user testuser from 121.204.141.232 port 53520 ssh2
Sep 20 13:46:14 meumeu sshd[79049]: Invalid user ts from 121.204.141.232 port 59044
...
2020-09-20 20:08:29
218.104.216.135 attackspam
Automatic report BANNED IP
2020-09-20 20:37:19
184.105.247.196 attack
 TCP (SYN) 184.105.247.196:46723 -> port 11211, len 44
2020-09-20 20:04:10

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