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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 4.139.21.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22666
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;4.139.21.73.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012600 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jan 27 00:12:56 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 73.21.139.4.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.21.139.4.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
191.53.199.230 attackspambots
failed_logins
2019-07-23 20:47:03
189.21.98.168 attack
Jul 23 14:31:33 OPSO sshd\[22598\]: Invalid user student1 from 189.21.98.168 port 46546
Jul 23 14:31:33 OPSO sshd\[22598\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.21.98.168
Jul 23 14:31:35 OPSO sshd\[22598\]: Failed password for invalid user student1 from 189.21.98.168 port 46546 ssh2
Jul 23 14:37:09 OPSO sshd\[23574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.21.98.168  user=backup
Jul 23 14:37:11 OPSO sshd\[23574\]: Failed password for backup from 189.21.98.168 port 42932 ssh2
2019-07-23 20:40:32
213.165.94.151 attackbotsspam
Jul 23 05:12:47 TORMINT sshd\[23010\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.165.94.151  user=root
Jul 23 05:12:49 TORMINT sshd\[23010\]: Failed password for root from 213.165.94.151 port 40138 ssh2
Jul 23 05:17:09 TORMINT sshd\[23235\]: Invalid user joyce from 213.165.94.151
Jul 23 05:17:09 TORMINT sshd\[23235\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.165.94.151
...
2019-07-23 21:18:23
92.118.160.13 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2019-07-23 21:09:05
45.224.189.129 attackbotsspam
TCP Port: 25 _    invalid blocked abuseat-org spamcop _  _  _ _ (410)
2019-07-23 21:16:40
37.114.155.180 attack
Jul 23 12:16:51 srv-4 sshd\[13007\]: Invalid user admin from 37.114.155.180
Jul 23 12:16:51 srv-4 sshd\[13007\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.114.155.180
Jul 23 12:16:54 srv-4 sshd\[13007\]: Failed password for invalid user admin from 37.114.155.180 port 44133 ssh2
...
2019-07-23 21:28:19
51.38.134.197 attackbots
Jul 23 14:14:43 SilenceServices sshd[12681]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.134.197
Jul 23 14:14:45 SilenceServices sshd[12681]: Failed password for invalid user csgoserver from 51.38.134.197 port 45160 ssh2
Jul 23 14:19:14 SilenceServices sshd[15926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.134.197
2019-07-23 20:37:45
176.31.191.61 attackbotsspam
Jul 23 18:01:20 vibhu-HP-Z238-Microtower-Workstation sshd\[10378\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.191.61  user=root
Jul 23 18:01:22 vibhu-HP-Z238-Microtower-Workstation sshd\[10378\]: Failed password for root from 176.31.191.61 port 41888 ssh2
Jul 23 18:05:49 vibhu-HP-Z238-Microtower-Workstation sshd\[10482\]: Invalid user infinity from 176.31.191.61
Jul 23 18:05:49 vibhu-HP-Z238-Microtower-Workstation sshd\[10482\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.191.61
Jul 23 18:05:51 vibhu-HP-Z238-Microtower-Workstation sshd\[10482\]: Failed password for invalid user infinity from 176.31.191.61 port 40936 ssh2
...
2019-07-23 20:41:47
78.157.60.27 attackspambots
SMB Server BruteForce Attack
2019-07-23 21:20:58
80.233.43.218 attackspambots
Jul 23 11:09:07 mxgate1 postfix/postscreen[18438]: CONNECT from [80.233.43.218]:52549 to [176.31.12.44]:25
Jul 23 11:09:07 mxgate1 postfix/dnsblog[18442]: addr 80.233.43.218 listed by domain bl.spamcop.net as 127.0.0.2
Jul 23 11:09:07 mxgate1 postfix/dnsblog[18443]: addr 80.233.43.218 listed by domain zen.spamhaus.org as 127.0.0.3
Jul 23 11:09:07 mxgate1 postfix/dnsblog[18443]: addr 80.233.43.218 listed by domain zen.spamhaus.org as 127.0.0.4
Jul 23 11:09:07 mxgate1 postfix/dnsblog[18440]: addr 80.233.43.218 listed by domain cbl.abuseat.org as 127.0.0.2
Jul 23 11:09:08 mxgate1 postfix/dnsblog[18441]: addr 80.233.43.218 listed by domain b.barracudacentral.org as 127.0.0.2
Jul 23 11:09:08 mxgate1 postfix/dnsblog[18439]: addr 80.233.43.218 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Jul 23 11:09:13 mxgate1 postfix/postscreen[18438]: DNSBL rank 6 for [80.233.43.218]:52549
Jul x@x
Jul 23 11:09:14 mxgate1 postfix/postscreen[18438]: HANGUP after 0.3 from [80.233.43.218]:........
-------------------------------
2019-07-23 20:38:22
206.189.190.187 attackspambots
Jul 23 13:27:13 nextcloud sshd\[14264\]: Invalid user leo from 206.189.190.187
Jul 23 13:27:13 nextcloud sshd\[14264\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.190.187
Jul 23 13:27:15 nextcloud sshd\[14264\]: Failed password for invalid user leo from 206.189.190.187 port 55760 ssh2
...
2019-07-23 20:26:04
112.217.225.59 attack
Jul 23 14:44:14 microserver sshd[14381]: Invalid user webmail from 112.217.225.59 port 19475
Jul 23 14:44:14 microserver sshd[14381]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.217.225.59
Jul 23 14:44:16 microserver sshd[14381]: Failed password for invalid user webmail from 112.217.225.59 port 19475 ssh2
Jul 23 14:49:26 microserver sshd[15016]: Invalid user teamspeak from 112.217.225.59 port 14780
Jul 23 14:49:26 microserver sshd[15016]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.217.225.59
Jul 23 14:59:43 microserver sshd[16296]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.217.225.59  user=mysql
Jul 23 14:59:45 microserver sshd[16296]: Failed password for mysql from 112.217.225.59 port 61371 ssh2
Jul 23 15:04:58 microserver sshd[16995]: Invalid user openvpn from 112.217.225.59 port 56670
Jul 23 15:04:58 microserver sshd[16995]: pam_unix(sshd:auth): authentication f
2019-07-23 21:26:15
2.139.209.78 attackbots
2019-07-23T12:34:29.441720abusebot-5.cloudsearch.cf sshd\[32026\]: Invalid user development from 2.139.209.78 port 49606
2019-07-23 20:34:35
162.243.46.161 attackbots
Jul 22 18:21:01 risk sshd[20203]: Invalid user ward from 162.243.46.161
Jul 22 18:21:01 risk sshd[20203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.46.161 
Jul 22 18:21:04 risk sshd[20203]: Failed password for invalid user ward from 162.243.46.161 port 59058 ssh2
Jul 22 18:31:28 risk sshd[20448]: Did not receive identification string from 162.243.46.161
Jul 22 18:36:15 risk sshd[20562]: Invalid user installer from 162.243.46.161
Jul 22 18:36:15 risk sshd[20562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.46.161 
Jul 22 18:36:17 risk sshd[20562]: Failed password for invalid user installer from 162.243.46.161 port 40450 ssh2
Jul 22 18:40:37 risk sshd[20675]: Invalid user alberto from 162.243.46.161
Jul 22 18:40:37 risk sshd[20675]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.46.161 
Jul 22 18:40:39 risk sshd[20675]:........
-------------------------------
2019-07-23 21:17:56
190.221.50.90 attack
Jul 23 13:09:50 debian sshd\[31054\]: Invalid user mysql from 190.221.50.90 port 43379
Jul 23 13:09:50 debian sshd\[31054\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.221.50.90
...
2019-07-23 20:23:52

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