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 of America (the)

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 51.139.126.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1732
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;51.139.126.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012400 1800 900 604800 86400

;; Query time: 33 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Jan 24 23:30:27 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.126.139.51.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.126.139.51.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
119.29.242.84 attackspam
Oct 21 05:46:39 SilenceServices sshd[26334]: Failed password for root from 119.29.242.84 port 39270 ssh2
Oct 21 05:51:36 SilenceServices sshd[27681]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.242.84
Oct 21 05:51:38 SilenceServices sshd[27681]: Failed password for invalid user test6 from 119.29.242.84 port 48900 ssh2
2019-10-21 15:00:56
14.251.247.20 attackbots
SMB Server BruteForce Attack
2019-10-21 14:59:31
91.191.223.227 attack
2019-10-21T04:21:28.367940mizuno.rwx.ovh sshd[2552371]: Connection from 91.191.223.227 port 58646 on 78.46.61.178 port 22 rdomain ""
2019-10-21T04:21:28.618611mizuno.rwx.ovh sshd[2552371]: Invalid user isaque from 91.191.223.227 port 58646
2019-10-21T04:21:28.627675mizuno.rwx.ovh sshd[2552371]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.191.223.227
2019-10-21T04:21:28.367940mizuno.rwx.ovh sshd[2552371]: Connection from 91.191.223.227 port 58646 on 78.46.61.178 port 22 rdomain ""
2019-10-21T04:21:28.618611mizuno.rwx.ovh sshd[2552371]: Invalid user isaque from 91.191.223.227 port 58646
2019-10-21T04:21:31.116609mizuno.rwx.ovh sshd[2552371]: Failed password for invalid user isaque from 91.191.223.227 port 58646 ssh2
...
2019-10-21 15:23:35
92.63.100.62 attack
0,31-04/05 [bc01/m03] PostRequest-Spammer scoring: zurich
2019-10-21 15:11:03
156.238.1.143 attackbots
Oct 21 04:56:16 game-panel sshd[18147]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.238.1.143
Oct 21 04:56:18 game-panel sshd[18147]: Failed password for invalid user 00 from 156.238.1.143 port 36890 ssh2
Oct 21 05:00:08 game-panel sshd[18285]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.238.1.143
2019-10-21 15:03:19
23.98.151.182 attackspam
2019-10-21T06:25:58.392375abusebot.cloudsearch.cf sshd\[2436\]: Invalid user 123456789 from 23.98.151.182 port 49344
2019-10-21 14:57:08
198.50.197.216 attack
2019-10-21T00:58:57.918140ns525875 sshd\[3535\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip216.ip-198-50-197.net  user=root
2019-10-21T00:58:59.503735ns525875 sshd\[3535\]: Failed password for root from 198.50.197.216 port 53004 ssh2
2019-10-21T01:02:40.292055ns525875 sshd\[8004\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip216.ip-198-50-197.net  user=root
2019-10-21T01:02:41.826589ns525875 sshd\[8004\]: Failed password for root from 198.50.197.216 port 35904 ssh2
...
2019-10-21 15:01:10
185.234.217.164 attackbots
f2b trigger Multiple SASL failures
2019-10-21 14:53:20
140.143.142.190 attackbots
5x Failed Password
2019-10-21 15:23:05
118.221.38.70 attack
Web attack: WordPress.
2019-10-21 15:18:13
49.88.112.114 attack
Oct 20 20:50:05 web9 sshd\[2196\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.114  user=root
Oct 20 20:50:08 web9 sshd\[2196\]: Failed password for root from 49.88.112.114 port 24865 ssh2
Oct 20 20:51:17 web9 sshd\[2419\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.114  user=root
Oct 20 20:51:19 web9 sshd\[2419\]: Failed password for root from 49.88.112.114 port 45900 ssh2
Oct 20 20:52:23 web9 sshd\[2579\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.114  user=root
2019-10-21 14:55:37
123.126.34.54 attackspambots
Oct 21 07:12:33 www5 sshd\[5536\]: Invalid user smkwon from 123.126.34.54
Oct 21 07:12:33 www5 sshd\[5536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.126.34.54
Oct 21 07:12:35 www5 sshd\[5536\]: Failed password for invalid user smkwon from 123.126.34.54 port 44821 ssh2
...
2019-10-21 14:56:21
222.186.175.167 attackbots
DATE:2019-10-21 09:01:36, IP:222.186.175.167, PORT:ssh SSH brute force auth on honeypot server (honey-neo-dc-bis)
2019-10-21 15:28:25
82.81.23.171 attack
Automatic report - Port Scan Attack
2019-10-21 14:53:05
146.120.17.141 attackspambots
Multiple failed RDP login attempts
2019-10-21 15:19:31

Recently Reported IPs

80.67.134.57 241.20.195.67 86.221.186.4 132.111.114.134
2.157.161.196 227.15.169.245 213.70.24.187 211.37.162.240
174.153.208.192 200.195.132.171 159.4.124.72 239.68.223.161
153.59.41.213 15.191.178.212 236.46.214.89 225.237.245.218
48.21.87.114 215.1.120.60 74.203.145.55 217.53.45.190