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: None

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 <<>> 104.21.16.254
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25120
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.254.			IN	A

;; AUTHORITY SECTION:
.			297	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022001 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 21 11:39:58 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 254.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 254.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
142.115.19.34 attack
21 attempts against mh-ssh on star
2020-09-24 12:36:32
188.104.122.93 attack
Automatic report - Port Scan Attack
2020-09-24 12:25:34
190.207.170.31 attackbotsspam
Sep 23 20:05:36 root sshd[25161]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190-207-170-31.dyn.dsl.cantv.net  user=root
Sep 23 20:05:38 root sshd[25161]: Failed password for root from 190.207.170.31 port 18577 ssh2
...
2020-09-24 12:33:32
49.88.112.70 attack
2020-09-24T02:56:54.807186shield sshd\[5392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.70  user=root
2020-09-24T02:56:56.691993shield sshd\[5392\]: Failed password for root from 49.88.112.70 port 56099 ssh2
2020-09-24T02:56:58.418090shield sshd\[5392\]: Failed password for root from 49.88.112.70 port 56099 ssh2
2020-09-24T02:57:00.755035shield sshd\[5392\]: Failed password for root from 49.88.112.70 port 56099 ssh2
2020-09-24T02:59:00.048073shield sshd\[5856\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.70  user=root
2020-09-24 12:24:02
13.92.41.188 attackbots
Sep 23 19:01:29 prod4 sshd\[26054\]: Invalid user ftptest from 13.92.41.188
Sep 23 19:01:31 prod4 sshd\[26054\]: Failed password for invalid user ftptest from 13.92.41.188 port 57198 ssh2
Sep 23 19:04:37 prod4 sshd\[27042\]: Failed password for root from 13.92.41.188 port 55084 ssh2
...
2020-09-24 12:36:48
121.131.134.206 attackbots
Sep 23 20:05:52 root sshd[25279]: Invalid user admin from 121.131.134.206
...
2020-09-24 12:19:52
13.84.211.65 attackbotsspam
Time:     Wed Sep 23 18:32:06 2020 -0300
IP:       13.84.211.65 (US/United States/-)
Failures: 30 (smtpauth)
Interval: 3600 seconds
Blocked:  Permanent Block
2020-09-24 12:42:25
176.106.132.131 attack
2020-09-24T02:28:34.055128abusebot-2.cloudsearch.cf sshd[10686]: Invalid user 1 from 176.106.132.131 port 56127
2020-09-24T02:28:34.061178abusebot-2.cloudsearch.cf sshd[10686]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.106.132.131
2020-09-24T02:28:34.055128abusebot-2.cloudsearch.cf sshd[10686]: Invalid user 1 from 176.106.132.131 port 56127
2020-09-24T02:28:36.231873abusebot-2.cloudsearch.cf sshd[10686]: Failed password for invalid user 1 from 176.106.132.131 port 56127 ssh2
2020-09-24T02:32:14.109679abusebot-2.cloudsearch.cf sshd[10699]: Invalid user admin from 176.106.132.131 port 59633
2020-09-24T02:32:14.116370abusebot-2.cloudsearch.cf sshd[10699]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.106.132.131
2020-09-24T02:32:14.109679abusebot-2.cloudsearch.cf sshd[10699]: Invalid user admin from 176.106.132.131 port 59633
2020-09-24T02:32:16.156494abusebot-2.cloudsearch.cf sshd[10699]: Fail
...
2020-09-24 12:22:51
219.77.103.238 attackbots
Sep 23 20:05:50 root sshd[25275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=n219077103238.netvigator.com  user=root
Sep 23 20:05:53 root sshd[25275]: Failed password for root from 219.77.103.238 port 49132 ssh2
...
2020-09-24 12:18:35
111.229.227.125 attack
Sep 23 19:08:38 email sshd\[8592\]: Invalid user test1 from 111.229.227.125
Sep 23 19:08:38 email sshd\[8592\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.227.125
Sep 23 19:08:40 email sshd\[8592\]: Failed password for invalid user test1 from 111.229.227.125 port 58928 ssh2
Sep 23 19:13:02 email sshd\[9320\]: Invalid user zq from 111.229.227.125
Sep 23 19:13:02 email sshd\[9320\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.227.125
...
2020-09-24 12:16:21
170.130.187.14 attackspambots
" "
2020-09-24 12:34:04
49.88.112.115 attackspam
Sep 24 02:59:16 gitlab sshd[797607]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.115  user=root
Sep 24 02:59:19 gitlab sshd[797607]: Failed password for root from 49.88.112.115 port 16568 ssh2
Sep 24 02:59:23 gitlab sshd[797607]: Failed password for root from 49.88.112.115 port 16568 ssh2
Sep 24 03:04:06 gitlab sshd[798285]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.115  user=root
Sep 24 03:04:08 gitlab sshd[798285]: Failed password for root from 49.88.112.115 port 25658 ssh2
...
2020-09-24 12:21:56
52.172.220.153 attackbotsspam
Sep 24 06:11:14 fhem-rasp sshd[5143]: Failed password for root from 52.172.220.153 port 45478 ssh2
Sep 24 06:11:16 fhem-rasp sshd[5143]: Disconnected from authenticating user root 52.172.220.153 port 45478 [preauth]
...
2020-09-24 12:12:53
138.36.193.21 attackspam
Sep 23 18:48:27 mail.srvfarm.net postfix/smtps/smtpd[196163]: warning: unknown[138.36.193.21]: SASL PLAIN authentication failed: 
Sep 23 18:48:28 mail.srvfarm.net postfix/smtps/smtpd[196163]: lost connection after AUTH from unknown[138.36.193.21]
Sep 23 18:49:34 mail.srvfarm.net postfix/smtps/smtpd[191709]: warning: unknown[138.36.193.21]: SASL PLAIN authentication failed: 
Sep 23 18:49:34 mail.srvfarm.net postfix/smtps/smtpd[191709]: lost connection after AUTH from unknown[138.36.193.21]
Sep 23 18:56:50 mail.srvfarm.net postfix/smtps/smtpd[197152]: warning: unknown[138.36.193.21]: SASL PLAIN authentication failed:
2020-09-24 12:38:22
13.66.160.88 attack
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2020-09-24T03:45:26Z
2020-09-24 12:12:06

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