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: 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 <<>> 139.21.81.187
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64313
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;139.21.81.187.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021400 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 14 20:26:19 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 187.81.21.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 187.81.21.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
71.226.245.18 attack
DATE:2019-12-16 15:45:04, IP:71.226.245.18, PORT:telnet - Telnet brute force auth on a honeypot server (epe-dc)
2019-12-17 00:24:32
59.144.137.134 attackspambots
Dec 16 05:31:58 web1 sshd\[32374\]: Invalid user khalil from 59.144.137.134
Dec 16 05:31:58 web1 sshd\[32374\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.144.137.134
Dec 16 05:32:00 web1 sshd\[32374\]: Failed password for invalid user khalil from 59.144.137.134 port 60494 ssh2
Dec 16 05:39:38 web1 sshd\[926\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.144.137.134  user=sync
Dec 16 05:39:40 web1 sshd\[926\]: Failed password for sync from 59.144.137.134 port 28182 ssh2
2019-12-16 23:56:26
46.101.73.64 attackspam
Dec 16 16:45:15 vps691689 sshd[30675]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.73.64
Dec 16 16:45:17 vps691689 sshd[30675]: Failed password for invalid user emmalyn from 46.101.73.64 port 49644 ssh2
Dec 16 16:50:40 vps691689 sshd[30813]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.73.64
...
2019-12-17 00:06:00
80.66.146.84 attackbotsspam
Dec 16 22:54:53 webhost01 sshd[12927]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.66.146.84
Dec 16 22:54:55 webhost01 sshd[12927]: Failed password for invalid user sssssss from 80.66.146.84 port 33512 ssh2
...
2019-12-17 00:03:28
78.21.7.112 attackbotsspam
Dec 16 07:22:10 server sshd\[14404\]: Failed password for invalid user seregelyi from 78.21.7.112 port 56610 ssh2
Dec 16 17:45:19 server sshd\[10691\]: Invalid user 22 from 78.21.7.112
Dec 16 17:45:19 server sshd\[10691\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=78-21-7-112.access.telenet.be 
Dec 16 17:45:20 server sshd\[10698\]: Invalid user arons from 78.21.7.112
Dec 16 17:45:20 server sshd\[10698\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=78-21-7-112.access.telenet.be 
...
2019-12-16 23:55:31
176.100.81.239 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 16-12-2019 14:45:09.
2019-12-17 00:13:05
104.200.110.181 attack
$f2bV_matches
2019-12-17 00:04:58
1.179.182.83 attackbots
Dec 16 16:20:44 meumeu sshd[15948]: Failed password for root from 1.179.182.83 port 47330 ssh2
Dec 16 16:27:47 meumeu sshd[16967]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.179.182.83 
Dec 16 16:27:48 meumeu sshd[16967]: Failed password for invalid user gilpin from 1.179.182.83 port 54548 ssh2
...
2019-12-16 23:56:42
46.33.225.84 attackbotsspam
Dec 16 16:29:45 legacy sshd[3686]: Failed password for root from 46.33.225.84 port 59340 ssh2
Dec 16 16:35:43 legacy sshd[3908]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.33.225.84
Dec 16 16:35:45 legacy sshd[3908]: Failed password for invalid user alberghini from 46.33.225.84 port 38386 ssh2
...
2019-12-16 23:44:56
51.159.35.94 attackbots
Unauthorized SSH login attempts
2019-12-17 00:20:48
36.71.59.98 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 16-12-2019 14:45:10.
2019-12-17 00:12:21
222.186.175.151 attackspambots
Dec 16 20:34:43 gw1 sshd[23315]: Failed password for root from 222.186.175.151 port 61742 ssh2
Dec 16 20:34:58 gw1 sshd[23315]: error: maximum authentication attempts exceeded for root from 222.186.175.151 port 61742 ssh2 [preauth]
...
2019-12-16 23:41:05
94.176.237.208 attackspambots
Dec 16 05:44:12 auw2 sshd\[16036\]: Invalid user agt from 94.176.237.208
Dec 16 05:44:12 auw2 sshd\[16036\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=2fme.l.time4vps.cloud
Dec 16 05:44:14 auw2 sshd\[16036\]: Failed password for invalid user agt from 94.176.237.208 port 43944 ssh2
Dec 16 05:49:38 auw2 sshd\[16606\]: Invalid user krisitian from 94.176.237.208
Dec 16 05:49:38 auw2 sshd\[16606\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=2fme.l.time4vps.cloud
2019-12-16 23:53:01
197.155.233.242 attackspam
Unauthorized connection attempt from IP address 197.155.233.242 on Port 445(SMB)
2019-12-17 00:19:44
103.89.90.106 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-12-16 23:43:05

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