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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.16.121.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44116
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.121.72.			IN	A

;; AUTHORITY SECTION:
.			598	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031400 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 14 17:54:54 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 72.121.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.121.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
149.28.8.137 attackspam
149.28.8.137 - - [19/Apr/2020:11:01:22 +0200] "GET /wp-login.php HTTP/1.1" 404 463
...
2020-05-04 04:04:51
162.243.143.84 attackbotsspam
Hits on port : 4899
2020-05-04 04:08:39
194.26.29.255 attack
Port Scan
2020-05-04 04:24:56
88.234.185.89 attack
Unauthorised access (May  3) SRC=88.234.185.89 LEN=44 TTL=54 ID=2452 TCP DPT=23 WINDOW=54511 SYN
2020-05-04 04:25:09
201.248.140.91 attackspambots
Attempt to attack host OS, exploiting network vulnerabilities, on 03-05-2020 13:05:14.
2020-05-04 04:08:19
141.98.81.108 attack
2020-05-03T20:01:31.277561abusebot-7.cloudsearch.cf sshd[8758]: Invalid user admin from 141.98.81.108 port 35441
2020-05-03T20:01:31.284674abusebot-7.cloudsearch.cf sshd[8758]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.81.108
2020-05-03T20:01:31.277561abusebot-7.cloudsearch.cf sshd[8758]: Invalid user admin from 141.98.81.108 port 35441
2020-05-03T20:01:33.236218abusebot-7.cloudsearch.cf sshd[8758]: Failed password for invalid user admin from 141.98.81.108 port 35441 ssh2
2020-05-03T20:02:00.399362abusebot-7.cloudsearch.cf sshd[8834]: Invalid user admin from 141.98.81.108 port 46701
2020-05-03T20:02:00.406314abusebot-7.cloudsearch.cf sshd[8834]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.81.108
2020-05-03T20:02:00.399362abusebot-7.cloudsearch.cf sshd[8834]: Invalid user admin from 141.98.81.108 port 46701
2020-05-03T20:02:02.673633abusebot-7.cloudsearch.cf sshd[8834]: Failed passwor
...
2020-05-04 04:06:05
120.31.138.82 attackbotsspam
May  2 18:16:36 host sshd[2907]: Address 120.31.138.82 maps to nxxxxxxx.eflydns.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May  2 18:16:36 host sshd[2907]: Invalid user speedtest from 120.31.138.82
May  2 18:16:36 host sshd[2907]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.31.138.82 
May  2 18:16:38 host sshd[2907]: Failed password for invalid user speedtest from 120.31.138.82 port 56699 ssh2
May  2 18:16:38 host sshd[2907]: Received disconnect from 120.31.138.82: 11: Bye Bye [preauth]
May  2 18:25:52 host sshd[28803]: Address 120.31.138.82 maps to nxxxxxxx.eflydns.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May  2 18:25:52 host sshd[28803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.31.138.82  user=r.r
May  2 18:25:54 host sshd[28803]: Failed password for r.r from 120.31.138.82 port 44342 ssh2
May  2 18:25:54........
-------------------------------
2020-05-04 03:51:32
194.31.244.46 attackspambots
Fail2Ban Ban Triggered
2020-05-04 03:50:51
189.188.75.75 attackspam
Port probing on unauthorized port 88
2020-05-04 04:07:17
5.160.18.204 attackbots
DATE:2020-05-03 14:05:28, IP:5.160.18.204, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)
2020-05-04 03:55:53
5.250.114.42 attackbotsspam
(pop3d) Failed POP3 login from 5.250.114.42 (IR/Iran/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: May  3 16:35:23 ir1 dovecot[264309]: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=5.250.114.42, lip=5.63.12.44, session=
2020-05-04 03:54:57
157.245.83.8 attackbots
May  3 20:39:12 vmd17057 sshd[16310]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.83.8 
May  3 20:39:14 vmd17057 sshd[16310]: Failed password for invalid user ting from 157.245.83.8 port 38876 ssh2
...
2020-05-04 03:57:17
94.247.179.224 attack
SSH Bruteforce attack
2020-05-04 04:19:31
112.65.127.154 attackbots
May  3 21:48:04 vpn01 sshd[13485]: Failed password for root from 112.65.127.154 port 58214 ssh2
...
2020-05-04 04:09:09
159.203.88.7 attack
21 attempts against mh-ssh on boat
2020-05-04 04:01:01

Recently Reported IPs

78.162.15.111 104.16.128.34 104.16.129.34 104.16.130.77
104.16.133.172 104.16.134.172 104.16.135.172 34.219.227.203
104.16.136.172 104.16.137.172 104.16.137.80 104.16.138.80
104.16.138.85 104.16.140.76 104.16.142.245 104.16.143.245
104.16.143.7 104.16.144.7 104.16.145.95 104.16.145.96