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 <<>> 104.21.53.239
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46925
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.239.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:20 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 239.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 239.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.96.56.38 attackbots
1580454110 - 01/31/2020 08:01:50 Host: 118.96.56.38/118.96.56.38 Port: 445 TCP Blocked
2020-01-31 16:48:51
88.147.173.221 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 31-01-2020 08:50:22.
2020-01-31 17:12:20
112.85.42.172 attack
Jan 31 09:38:40 amit sshd\[5343\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.172  user=root
Jan 31 09:38:43 amit sshd\[5343\]: Failed password for root from 112.85.42.172 port 12675 ssh2
Jan 31 09:38:52 amit sshd\[5343\]: Failed password for root from 112.85.42.172 port 12675 ssh2
...
2020-01-31 16:49:13
119.99.190.93 attackspambots
scan z
2020-01-31 17:15:45
185.175.93.17 attackspambots
01/31/2020-04:10:11.590031 185.175.93.17 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-01-31 17:18:31
222.186.190.2 attack
Jan 31 09:35:00 vps691689 sshd[6247]: Failed password for root from 222.186.190.2 port 33766 ssh2
Jan 31 09:35:03 vps691689 sshd[6247]: Failed password for root from 222.186.190.2 port 33766 ssh2
Jan 31 09:35:07 vps691689 sshd[6247]: Failed password for root from 222.186.190.2 port 33766 ssh2
...
2020-01-31 16:48:01
172.247.123.70 attackspam
Jan 31 11:26:05 hosting sshd[23983]: Invalid user susan119 from 172.247.123.70 port 45026
Jan 31 11:26:05 hosting sshd[23983]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.247.123.70
Jan 31 11:26:05 hosting sshd[23983]: Invalid user susan119 from 172.247.123.70 port 45026
Jan 31 11:26:07 hosting sshd[23983]: Failed password for invalid user susan119 from 172.247.123.70 port 45026 ssh2
Jan 31 11:50:34 hosting sshd[27036]: Invalid user inderjeet from 172.247.123.70 port 32772
...
2020-01-31 17:02:03
91.207.5.10 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 31-01-2020 08:50:23.
2020-01-31 17:11:42
54.198.40.146 attack
firewall-block, port(s): 1433/tcp
2020-01-31 17:29:40
134.175.178.153 attack
Jan 31 09:50:14 MK-Soft-Root2 sshd[14036]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.178.153 
Jan 31 09:50:17 MK-Soft-Root2 sshd[14036]: Failed password for invalid user darpana from 134.175.178.153 port 33462 ssh2
...
2020-01-31 17:21:17
200.11.83.178 attackspam
Unauthorized connection attempt from IP address 200.11.83.178 on Port 445(SMB)
2020-01-31 16:43:40
185.147.215.8 attack
[2020-01-31 04:32:07] NOTICE[1148] chan_sip.c: Registration from '' failed for '185.147.215.8:60079' - Wrong password
[2020-01-31 04:32:07] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-01-31T04:32:07.098-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="8957",SessionID="0x7fd82c31abc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.8/60079",Challenge="053c7b7c",ReceivedChallenge="053c7b7c",ReceivedHash="af31e32c211a4d350798acb927d7bb58"
[2020-01-31 04:32:43] NOTICE[1148] chan_sip.c: Registration from '' failed for '185.147.215.8:53644' - Wrong password
[2020-01-31 04:32:43] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-01-31T04:32:43.779-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="443",SessionID="0x7fd82c31abc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.215.8/5
...
2020-01-31 17:33:18
92.118.37.86 attack
firewall-block, port(s): 33916/tcp, 33932/tcp, 33952/tcp, 33954/tcp, 33955/tcp
2020-01-31 17:27:02
110.78.23.133 attackspam
Jan 31 09:03:17 game-panel sshd[12418]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.78.23.133
Jan 31 09:03:19 game-panel sshd[12418]: Failed password for invalid user aachman from 110.78.23.133 port 27702 ssh2
Jan 31 09:06:23 game-panel sshd[12564]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.78.23.133
2020-01-31 17:11:03
193.188.22.188 attackspam
2020-01-30T15:03:12.7205591495-001 sshd[19871]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.188.22.188  user=sshd
2020-01-30T15:03:14.9755761495-001 sshd[19871]: Failed password for sshd from 193.188.22.188 port 10590 ssh2
2020-01-30T15:03:15.9422781495-001 sshd[19876]: Invalid user router from 193.188.22.188 port 15458
2020-01-30T15:03:16.0544731495-001 sshd[19876]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.188.22.188
2020-01-30T15:03:15.9422781495-001 sshd[19876]: Invalid user router from 193.188.22.188 port 15458
2020-01-30T15:03:17.8577561495-001 sshd[19876]: Failed password for invalid user router from 193.188.22.188 port 15458 ssh2
2020-01-30T15:03:18.9045041495-001 sshd[19878]: Invalid user jack from 193.188.22.188 port 18445
2020-01-30T15:03:19.0287131495-001 sshd[19878]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.188.22.188
2020-01-
...
2020-01-31 17:10:34

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