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 <<>> 104.21.38.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43344
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.38.99.			IN	A

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

;; Query time: 126 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:27:23 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 99.38.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 99.38.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.175.151 attack
2020-09-05T08:07:40.202961ns386461 sshd\[4665\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.151  user=root
2020-09-05T08:07:42.666423ns386461 sshd\[4665\]: Failed password for root from 222.186.175.151 port 41434 ssh2
2020-09-05T08:07:46.089633ns386461 sshd\[4665\]: Failed password for root from 222.186.175.151 port 41434 ssh2
2020-09-05T08:07:49.426528ns386461 sshd\[4665\]: Failed password for root from 222.186.175.151 port 41434 ssh2
2020-09-05T08:07:52.478244ns386461 sshd\[4665\]: Failed password for root from 222.186.175.151 port 41434 ssh2
...
2020-09-05 14:24:28
42.106.200.255 attackbots
Sep  4 18:51:00 mellenthin postfix/smtpd[29582]: NOQUEUE: reject: RCPT from unknown[42.106.200.255]: 554 5.7.1 Service unavailable; Client host [42.106.200.255] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/42.106.200.255; from= to= proto=ESMTP helo=<[49.32.55.180]>
2020-09-05 14:15:39
197.49.201.192 attackbotsspam
Port Scan detected!
...
2020-09-05 13:54:44
54.39.133.91 attackbotsspam
ET CINS Active Threat Intelligence Poor Reputation IP group 38 - port: 16625 proto: tcp cat: Misc Attackbytes: 60
2020-09-05 14:33:25
172.107.95.30 attackspambots
 TCP (SYN) 172.107.95.30:57239 -> port 81, len 44
2020-09-05 14:30:06
164.132.145.70 attackspambots
Port scan: Attack repeated for 24 hours
2020-09-05 14:17:07
120.131.9.167 attackbotsspam
Invalid user anna from 120.131.9.167 port 25978
2020-09-05 14:02:06
104.168.99.225 attackbotsspam
Scanning
2020-09-05 14:19:58
197.51.216.156 attack
1599238270 - 09/04/2020 18:51:10 Host: 197.51.216.156/197.51.216.156 Port: 445 TCP Blocked
2020-09-05 14:05:19
185.127.24.64 attackbotsspam
Suspicious access to SMTP/POP/IMAP services.
2020-09-05 14:03:00
200.116.171.189 attackspambots
SmallBizIT.US 1 packets to tcp(23)
2020-09-05 13:55:16
159.89.53.183 attackspam
*Port Scan* detected from 159.89.53.183 (US/United States/New Jersey/North Bergen/-). 4 hits in the last 210 seconds
2020-09-05 14:00:55
218.241.202.58 attack
Sep  5 02:21:39 l03 sshd[26000]: Invalid user eng from 218.241.202.58 port 36420
...
2020-09-05 13:50:28
195.54.167.167 attackspam
Cowrie Honeypot: 10 unauthorised SSH/Telnet login attempts between 2020-09-04T22:59:50Z and 2020-09-05T00:56:13Z
2020-09-05 13:51:47
190.38.27.203 attackbotsspam
Honeypot attack, port: 445, PTR: 190-38-27-203.dyn.dsl.cantv.net.
2020-09-05 14:08:21

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