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: Lower Saxony

Country: Germany

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 139.174.121.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53795
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			577	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019101501 1800 900 604800 86400

;; Query time: 75 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Oct 16 03:29:50 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 20.121.174.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.121.174.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
123.153.1.189 attack
2020-05-09T00:48:09.483021galaxy.wi.uni-potsdam.de sshd[22629]: Invalid user git from 123.153.1.189 port 41850
2020-05-09T00:48:09.484957galaxy.wi.uni-potsdam.de sshd[22629]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.153.1.189
2020-05-09T00:48:09.483021galaxy.wi.uni-potsdam.de sshd[22629]: Invalid user git from 123.153.1.189 port 41850
2020-05-09T00:48:11.061184galaxy.wi.uni-potsdam.de sshd[22629]: Failed password for invalid user git from 123.153.1.189 port 41850 ssh2
2020-05-09T00:50:38.918672galaxy.wi.uni-potsdam.de sshd[22898]: Invalid user qbtuser from 123.153.1.189 port 52972
2020-05-09T00:50:38.920430galaxy.wi.uni-potsdam.de sshd[22898]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.153.1.189
2020-05-09T00:50:38.918672galaxy.wi.uni-potsdam.de sshd[22898]: Invalid user qbtuser from 123.153.1.189 port 52972
2020-05-09T00:50:40.953100galaxy.wi.uni-potsdam.de sshd[22898]: Failed password 
...
2020-05-09 08:27:03
5.189.141.124 attackspambots
URL Probing: /index.php
2020-05-09 08:49:58
167.114.114.193 attackbotsspam
SSH Invalid Login
2020-05-09 08:44:47
113.193.243.35 attackspam
2020-05-09T02:17:20.6500541240 sshd\[5508\]: Invalid user sysadmin from 113.193.243.35 port 26706
2020-05-09T02:17:20.6540031240 sshd\[5508\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.193.243.35
2020-05-09T02:17:22.8317641240 sshd\[5508\]: Failed password for invalid user sysadmin from 113.193.243.35 port 26706 ssh2
...
2020-05-09 08:24:45
49.235.84.51 attackspambots
SSH Invalid Login
2020-05-09 08:39:28
186.225.86.235 attack
Unauthorized connection attempt from IP address 186.225.86.235 on Port 445(SMB)
2020-05-09 08:56:21
120.52.139.130 attackspam
$f2bV_matches | Triggered by Fail2Ban at Vostok web server
2020-05-09 08:33:18
137.135.8.32 attackbotsspam
(sshd) Failed SSH login from 137.135.8.32 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May  9 01:29:39 amsweb01 sshd[19072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.135.8.32  user=root
May  9 01:29:41 amsweb01 sshd[19072]: Failed password for root from 137.135.8.32 port 61965 ssh2
May  9 01:29:43 amsweb01 sshd[19072]: Failed password for root from 137.135.8.32 port 61965 ssh2
May  9 01:29:44 amsweb01 sshd[19072]: Failed password for root from 137.135.8.32 port 61965 ssh2
May  9 01:48:38 amsweb01 sshd[32586]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.135.8.32  user=root
2020-05-09 08:48:55
91.122.9.140 attackspam
20/5/8@18:36:18: FAIL: Alarm-Network address from=91.122.9.140
20/5/8@18:36:18: FAIL: Alarm-Network address from=91.122.9.140
...
2020-05-09 08:49:29
167.172.175.9 attack
May  9 03:46:23 gw1 sshd[4383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.172.175.9
May  9 03:46:24 gw1 sshd[4383]: Failed password for invalid user admin from 167.172.175.9 port 40802 ssh2
...
2020-05-09 08:57:54
45.134.179.57 attackspam
[MK-VM4] Blocked by UFW
2020-05-09 08:20:59
45.5.0.7 attackspam
$f2bV_matches
2020-05-09 08:40:58
186.91.226.45 attackspambots
Unauthorized connection attempt from IP address 186.91.226.45 on Port 445(SMB)
2020-05-09 08:39:57
165.227.181.123 attack
firewall-block, port(s): 5060/udp
2020-05-09 09:02:04
180.167.146.130 attackbots
Unauthorized connection attempt from IP address 180.167.146.130 on Port 445(SMB)
2020-05-09 08:23:35

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