104.21.54.20 - IPInfo

Basic Info

City: unknown

Region: unknown

Country: United States

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:

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Comments on same subnet:

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Whois info:

Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.54.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35701
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.20.			IN	A

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

;; Query time: 69 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:44 CST 2022
;; MSG SIZE  rcvd: 105

Host info

Host 20.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.54.21.104.in-addr.arpa: NXDOMAIN

Related IP info:

Related comments:

IP	Type	Details	Datetime
218.92.1.156	attackbots	Jul 13 00:27:51 s64-1 sshd[15887]: Failed password for root from 218.92.1.156 port 26363 ssh2 Jul 13 00:29:55 s64-1 sshd[15894]: Failed password for root from 218.92.1.156 port 62461 ssh2 ...	2019-07-13 06:55:50
5.133.30.183	attack	SIP/5060 Probe, BF, Hack -	2019-07-13 07:05:31
191.53.239.106	attack	failed_logins	2019-07-13 07:10:30
120.236.16.252	attackbotsspam	Jul 12 22:20:21 ip-172-31-1-72 sshd\[5362\]: Invalid user sakai from 120.236.16.252 Jul 12 22:20:21 ip-172-31-1-72 sshd\[5362\]: pam_unix$sshd:auth$: authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.236.16.252 Jul 12 22:20:23 ip-172-31-1-72 sshd\[5362\]: Failed password for invalid user sakai from 120.236.16.252 port 41882 ssh2 Jul 12 22:26:15 ip-172-31-1-72 sshd\[5436\]: Invalid user melissa from 120.236.16.252 Jul 12 22:26:15 ip-172-31-1-72 sshd\[5436\]: pam_unix$sshd:auth$: authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.236.16.252	2019-07-13 07:28:09
46.161.27.77	attackbotsspam	Excessive Port-Scanning	2019-07-13 06:46:20
157.230.23.46	attackbotsspam	Jul 12 22:06:29 * sshd[31094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.23.46 Jul 12 22:06:31 * sshd[31094]: Failed password for invalid user deploy from 157.230.23.46 port 46966 ssh2	2019-07-13 06:50:12
46.245.148.195	attack	$f2bV_matches	2019-07-13 06:57:43
106.13.43.242	attack	Jul 13 00:07:33 62-210-73-4 sshd\[29472\]: Invalid user test from 106.13.43.242 port 50892 Jul 13 00:07:33 62-210-73-4 sshd\[29472\]: pam_unix$sshd:auth$: authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.43.242 ...	2019-07-13 07:04:57
138.68.250.247	attackbotsspam	Jul 10 22:18:31 mailrelay sshd[20876]: Invalid user sysop from 138.68.250.247 port 34054 Jul 10 22:18:31 mailrelay sshd[20876]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.250.247 Jul 10 22:18:32 mailrelay sshd[20876]: Failed password for invalid user sysop from 138.68.250.247 port 34054 ssh2 Jul 10 22:18:33 mailrelay sshd[20876]: Received disconnect from 138.68.250.247 port 34054:11: Bye Bye [preauth] Jul 10 22:18:33 mailrelay sshd[20876]: Disconnected from 138.68.250.247 port 34054 [preauth] Jul 10 22:20:31 mailrelay sshd[20944]: Invalid user gong from 138.68.250.247 port 56616 Jul 10 22:20:31 mailrelay sshd[20944]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.250.247 ........ ----------------------------------------------- https://www.blocklist.de/en/view.html?ip=138.68.250.247	2019-07-13 07:24:47
64.31.33.70	attack	\[2019-07-12 19:08:08\] NOTICE\[22786\] chan_sip.c: Registration from '"2010" \' failed for '64.31.33.70:5753' - Wrong password \[2019-07-12 19:08:08\] SECURITY\[22794\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-12T19:08:08.193-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2010",SessionID="0x7f7544230ac8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/64.31.33.70/5753",Challenge="7b19e12b",ReceivedChallenge="7b19e12b",ReceivedHash="abb0baaa9f8c0e9835ca3ccf232dff1e" \[2019-07-12 19:08:08\] NOTICE\[22786\] chan_sip.c: Registration from '"2010" \' failed for '64.31.33.70:5753' - Wrong password \[2019-07-12 19:08:08\] SECURITY\[22794\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-12T19:08:08.269-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2010",SessionID="0x7f75441b6d18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/	2019-07-13 07:12:33
116.249.167.53	attackbotsspam	Jul 12 19:56:53 wildwolf ssh-honeypotd[26164]: Failed password for support from 116.249.167.53 port 39722 ssh2 (target: 158.69.100.130:22, password: support) Jul 12 19:56:54 wildwolf ssh-honeypotd[26164]: Failed password for support from 116.249.167.53 port 39722 ssh2 (target: 158.69.100.130:22, password: support) Jul 12 19:56:54 wildwolf ssh-honeypotd[26164]: Failed password for support from 116.249.167.53 port 39722 ssh2 (target: 158.69.100.130:22, password: support) Jul 12 19:56:54 wildwolf ssh-honeypotd[26164]: Failed password for support from 116.249.167.53 port 39722 ssh2 (target: 158.69.100.130:22, password: support) Jul 12 19:56:54 wildwolf ssh-honeypotd[26164]: Failed password for support from 116.249.167.53 port 39722 ssh2 (target: 158.69.100.130:22, password: support) Jul 12 19:56:55 wildwolf ssh-honeypotd[26164]: Failed password for support from 116.249.167.53 port 39722 ssh2 (target: 158.69.100.130:22, password: support) Jul 12 19:56:55 wildwolf ssh-honeypot........ ------------------------------	2019-07-13 06:45:42
37.49.225.87	attack	Jul 13 00:02:58 mail postfix/smtpd\[1307\]: warning: unknown\[37.49.225.87\]: SASL LOGIN authentication failed: Connection lost to authentication server\ Jul 13 00:39:31 mail postfix/smtpd\[4609\]: warning: unknown\[37.49.225.87\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\ Jul 13 00:39:37 mail postfix/smtpd\[4609\]: warning: unknown\[37.49.225.87\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\ Jul 13 01:16:49 mail postfix/smtpd\[4373\]: warning: unknown\[37.49.225.87\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\	2019-07-13 07:16:44
183.111.166.49	attack	Jul 12 22:29:45 thevastnessof sshd[4577]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.111.166.49 ...	2019-07-13 07:23:09
92.118.160.25	attackspam	firewall-block, port(s): 44818/tcp	2019-07-13 07:20:54
47.185.199.168	attackbots	Jul 13 00:22:53 mout sshd[5049]: Invalid user ssh123 from 47.185.199.168 port 53852 Jul 13 00:22:55 mout sshd[5049]: Failed password for invalid user ssh123 from 47.185.199.168 port 53852 ssh2 Jul 13 00:22:55 mout sshd[5049]: Connection closed by 47.185.199.168 port 53852 [preauth]	2019-07-13 06:40:35

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