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 <<>> 104.21.37.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64058
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.54.			IN	A

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

;; Query time: 71 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:26:02 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 54.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.232.39.21 attackbotsspam
SSH Brute-Forcing (server2)
2020-03-14 01:48:09
195.20.28.192 attackbots
Unauthorized connection attempt from IP address 195.20.28.192 on Port 445(SMB)
2020-03-14 01:55:40
117.40.131.155 attack
Unauthorized connection attempt from IP address 117.40.131.155 on Port 445(SMB)
2020-03-14 01:38:04
145.239.78.59 attackbotsspam
Mar 13 16:53:39 mout sshd[18269]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.78.59
Mar 13 16:53:39 mout sshd[18269]: Invalid user zbl from 145.239.78.59 port 39974
Mar 13 16:53:41 mout sshd[18269]: Failed password for invalid user zbl from 145.239.78.59 port 39974 ssh2
2020-03-14 01:34:08
103.30.17.33 attackspam
2020-03-13T17:00:17.770083micro sshd[9934]: Did not receive identification string from 103.30.17.33 port 40182
2020-03-13T17:00:18.714420micro sshd[9935]: error: Received disconnect from 103.30.17.33 port 40208:3: com.jcraft.jsch.JSchException: Auth fail [preauth]
2020-03-13T17:00:18.715708micro sshd[9935]: Disconnected from 103.30.17.33 port 40208 [preauth]
2020-03-13T17:00:19.242048micro sshd[9937]: error: Received disconnect from 103.30.17.33 port 40442:3: com.jcraft.jsch.JSchException: Auth fail [preauth]
2020-03-13T17:00:19.243310micro sshd[9937]: Disconnected from 103.30.17.33 port 40442 [preauth]
...
2020-03-14 01:49:20
218.25.161.226 attackspam
(pop3d) Failed POP3 login from 218.25.161.226 (CN/China/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Mar 13 16:15:52 ir1 dovecot[4133960]: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=218.25.161.226, lip=5.63.12.44, session=
2020-03-14 01:36:07
89.222.197.230 attackbotsspam
Honeypot attack, port: 445, PTR: host-19-230.netorn.net.
2020-03-14 01:51:19
196.37.111.217 attackspambots
Mar 13 16:39:05 silence02 sshd[18413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.37.111.217
Mar 13 16:39:07 silence02 sshd[18413]: Failed password for invalid user server from 196.37.111.217 port 55496 ssh2
Mar 13 16:44:42 silence02 sshd[20720]: Failed password for root from 196.37.111.217 port 45018 ssh2
2020-03-14 01:32:47
145.239.87.109 attackbotsspam
Jan 27 13:09:03 pi sshd[6715]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.87.109 
Jan 27 13:09:05 pi sshd[6715]: Failed password for invalid user mabel from 145.239.87.109 port 59000 ssh2
2020-03-14 01:25:40
49.248.95.146 attackspambots
Honeypot attack, port: 445, PTR: static-146.95.248.49-tataidc.co.in.
2020-03-14 01:38:46
178.171.45.107 attackbotsspam
Chat Spam
2020-03-14 01:25:23
144.217.92.167 attack
Feb  3 10:48:47 pi sshd[5336]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.92.167 
Feb  3 10:48:49 pi sshd[5336]: Failed password for invalid user jiu from 144.217.92.167 port 50394 ssh2
2020-03-14 01:45:51
78.8.249.81 attackspam
Unauthorized connection attempt detected from IP address 78.8.249.81
2020-03-14 01:59:16
103.255.4.62 attack
Unauthorized connection attempt from IP address 103.255.4.62 on Port 445(SMB)
2020-03-14 01:38:25
78.184.233.141 attackspambots
Honeypot attack, port: 81, PTR: 78.184.233.141.dynamic.ttnet.com.tr.
2020-03-14 01:46:18

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