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

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 <<>> 104.21.0.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10705
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.0.138.			IN	A

;; AUTHORITY SECTION:
.			572	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 17:17:29 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 138.0.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.0.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.141.200.20 attackbotsspam
2020-05-26T15:54:17.777287shield sshd\[14839\]: Invalid user test from 192.141.200.20 port 46816
2020-05-26T15:54:17.781779shield sshd\[14839\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.141.200.20
2020-05-26T15:54:19.898069shield sshd\[14839\]: Failed password for invalid user test from 192.141.200.20 port 46816 ssh2
2020-05-26T15:57:58.568913shield sshd\[15955\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.141.200.20  user=root
2020-05-26T15:58:00.690381shield sshd\[15955\]: Failed password for root from 192.141.200.20 port 43404 ssh2
2020-05-27 00:01:12
189.209.7.168 attack
May 26 10:23:57 server1 sshd\[19705\]: Failed password for root from 189.209.7.168 port 37054 ssh2
May 26 10:27:46 server1 sshd\[20947\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.209.7.168  user=root
May 26 10:27:48 server1 sshd\[20947\]: Failed password for root from 189.209.7.168 port 43364 ssh2
May 26 10:31:39 server1 sshd\[22072\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.209.7.168  user=root
May 26 10:31:41 server1 sshd\[22072\]: Failed password for root from 189.209.7.168 port 49672 ssh2
...
2020-05-27 00:34:47
218.92.0.184 attackbotsspam
May 26 17:57:19 * sshd[13527]: Failed password for root from 218.92.0.184 port 6172 ssh2
May 26 17:57:33 * sshd[13527]: error: maximum authentication attempts exceeded for root from 218.92.0.184 port 6172 ssh2 [preauth]
2020-05-27 00:22:45
176.31.129.44 attack
Invalid user admin from 176.31.129.44 port 44673
2020-05-27 00:30:08
61.163.192.88 attack
(pop3d) Failed POP3 login from 61.163.192.88 (CN/China/hn.ly.kd.adsl): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: May 26 20:27:22 ir1 dovecot[2885757]: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=61.163.192.88, lip=5.63.12.44, session=
2020-05-27 00:31:29
222.186.31.83 attackspam
May 26 18:24:18 * sshd[16251]: Failed password for root from 222.186.31.83 port 61501 ssh2
2020-05-27 00:25:19
46.101.253.249 attackspam
May 26 17:43:08 server sshd[17209]: Failed password for invalid user ddos from 46.101.253.249 port 34327 ssh2
May 26 17:53:48 server sshd[25123]: Failed password for invalid user indonesia-wood from 46.101.253.249 port 44655 ssh2
May 26 17:57:51 server sshd[28211]: Failed password for root from 46.101.253.249 port 47165 ssh2
2020-05-27 00:08:53
187.188.206.106 attack
May 26 18:02:02 vps333114 sshd[29230]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=fixed-187-188-206-106.totalplay.net  user=root
May 26 18:02:03 vps333114 sshd[29230]: Failed password for root from 187.188.206.106 port 2361 ssh2
...
2020-05-27 00:37:53
216.252.20.47 attackbots
May 26 18:19:43 vps sshd[274976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=216-252-20-216-252-20-47.cpe.sparklight.net  user=root
May 26 18:19:45 vps sshd[274976]: Failed password for root from 216.252.20.47 port 42784 ssh2
May 26 18:23:23 vps sshd[292125]: Invalid user pramod from 216.252.20.47 port 47872
May 26 18:23:23 vps sshd[292125]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=216-252-20-216-252-20-47.cpe.sparklight.net
May 26 18:23:25 vps sshd[292125]: Failed password for invalid user pramod from 216.252.20.47 port 47872 ssh2
...
2020-05-27 00:23:45
203.150.243.165 attack
May 26 18:09:23 piServer sshd[30977]: Failed password for root from 203.150.243.165 port 55750 ssh2
May 26 18:13:25 piServer sshd[31280]: Failed password for root from 203.150.243.165 port 60728 ssh2
...
2020-05-27 00:29:10
222.186.42.137 attackspam
May 26 18:17:44 h1745522 sshd[9129]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
May 26 18:17:46 h1745522 sshd[9129]: Failed password for root from 222.186.42.137 port 26720 ssh2
May 26 18:17:55 h1745522 sshd[9137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
May 26 18:17:58 h1745522 sshd[9137]: Failed password for root from 222.186.42.137 port 57883 ssh2
May 26 18:17:55 h1745522 sshd[9137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
May 26 18:17:58 h1745522 sshd[9137]: Failed password for root from 222.186.42.137 port 57883 ssh2
May 26 18:18:00 h1745522 sshd[9137]: Failed password for root from 222.186.42.137 port 57883 ssh2
May 26 18:17:55 h1745522 sshd[9137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
May 
...
2020-05-27 00:19:14
65.191.76.227 attackbots
2020-05-25 09:50:29 server sshd[48821]: Failed password for invalid user root from 65.191.76.227 port 40054 ssh2
2020-05-27 00:00:07
173.196.146.77 attackbots
May 26 11:53:57 NPSTNNYC01T sshd[13285]: Failed password for root from 173.196.146.77 port 38354 ssh2
May 26 11:57:30 NPSTNNYC01T sshd[13454]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.196.146.77
May 26 11:57:33 NPSTNNYC01T sshd[13454]: Failed password for invalid user johnf from 173.196.146.77 port 43476 ssh2
...
2020-05-27 00:24:05
54.37.136.213 attackbots
2020-05-26T11:49:46.595544devel sshd[9892]: Failed password for root from 54.37.136.213 port 50766 ssh2
2020-05-26T11:54:11.446112devel sshd[10316]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.136.213  user=root
2020-05-26T11:54:13.408789devel sshd[10316]: Failed password for root from 54.37.136.213 port 55456 ssh2
2020-05-27 00:31:03
27.148.190.100 attack
May 26 16:38:10 sigma sshd\[22150\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.148.190.100  user=rootMay 26 16:57:26 sigma sshd\[23202\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.148.190.100  user=root
...
2020-05-27 00:32:02

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