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 <<>> 104.21.19.50
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38452
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.50.			IN	A

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

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:34:36 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 50.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 50.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.95.32.191 attack
Mar  8 05:27:06 mail.srvfarm.net postfix/smtpd[3216051]: NOQUEUE: reject: RCPT from unknown[45.95.32.191]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:28:07 mail.srvfarm.net postfix/smtpd[3216050]: NOQUEUE: reject: RCPT from unknown[45.95.32.191]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:29:25 mail.srvfarm.net postfix/smtpd[3216089]: NOQUEUE: reject: RCPT from unknown[45.95.32.191]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:35:53 mail.srvfarm.net postfix/smtpd[3230033]: NOQUEUE: reject: RCPT from unknown[45.95.32.191]: 450 4.
2020-03-08 18:24:30
222.186.175.154 attack
Mar  8 00:34:27 web9 sshd\[18042\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.154  user=root
Mar  8 00:34:29 web9 sshd\[18042\]: Failed password for root from 222.186.175.154 port 14324 ssh2
Mar  8 00:34:57 web9 sshd\[18095\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.154  user=root
Mar  8 00:34:58 web9 sshd\[18095\]: Failed password for root from 222.186.175.154 port 55588 ssh2
Mar  8 00:35:02 web9 sshd\[18095\]: Failed password for root from 222.186.175.154 port 55588 ssh2
2020-03-08 18:40:36
14.232.155.200 attackspam
TCP port 8085: Scan and connection
2020-03-08 18:50:20
173.212.194.14 attack
20 attempts against mh-misbehave-ban on air
2020-03-08 18:42:04
45.146.202.212 attack
Mar  8 05:51:06 mail.srvfarm.net postfix/smtpd[3235502]: NOQUEUE: reject: RCPT from unknown[45.146.202.212]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:51:06 mail.srvfarm.net postfix/smtpd[3235520]: NOQUEUE: reject: RCPT from unknown[45.146.202.212]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:51:06 mail.srvfarm.net postfix/smtpd[3232947]: NOQUEUE: reject: RCPT from unknown[45.146.202.212]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:51:06 mail.srvfarm.net postfix/smtpd[3235138]: NOQUEUE: reject: RCPT from unknown[45
2020-03-08 18:22:10
27.79.222.193 attackspam
Honeypot attack, port: 445, PTR: localhost.
2020-03-08 18:35:18
194.94.197.128 attackbots
Scanning
2020-03-08 18:30:50
89.187.168.160 attack
0,34-01/01 [bc00/m82] PostRequest-Spammer scoring: essen
2020-03-08 18:43:29
103.123.75.0 attackspambots
Mar  8 05:28:36 mail.srvfarm.net postfix/smtpd[3216095]: warning: unknown[103.123.75.0]: SASL PLAIN authentication failed: 
Mar  8 05:28:36 mail.srvfarm.net postfix/smtpd[3216095]: lost connection after AUTH from unknown[103.123.75.0]
Mar  8 05:35:03 mail.srvfarm.net postfix/smtps/smtpd[3230182]: warning: unknown[103.123.75.0]: SASL PLAIN authentication failed: 
Mar  8 05:35:03 mail.srvfarm.net postfix/smtps/smtpd[3230182]: lost connection after AUTH from unknown[103.123.75.0]
Mar  8 05:35:19 mail.srvfarm.net postfix/smtpd[3216090]: warning: unknown[103.123.75.0]: SASL PLAIN authentication failed:
2020-03-08 18:16:03
118.27.20.122 attackbotsspam
$f2bV_matches
2020-03-08 18:44:00
106.13.165.164 attackbots
2020-03-07 UTC: (6x) - bot2,root(4x),zope
2020-03-08 18:49:42
45.82.34.224 attackspam
Mar  8 05:44:14 mail.srvfarm.net postfix/smtpd[3234583]: NOQUEUE: reject: RCPT from unknown[45.82.34.224]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:44:24 mail.srvfarm.net postfix/smtpd[3235189]: NOQUEUE: reject: RCPT from unknown[45.82.34.224]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:46:47 mail.srvfarm.net postfix/smtpd[3235189]: NOQUEUE: reject: RCPT from unknown[45.82.34.224]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 05:47:46 mail.srvfarm.net postfix/smtpd[
2020-03-08 18:24:48
134.209.41.198 attackbotsspam
SSH invalid-user multiple login try
2020-03-08 18:43:46
45.133.99.130 attackbots
2020-03-08 11:02:12 dovecot_login authenticator failed for \(\[45.133.99.130\]\) \[45.133.99.130\]: 535 Incorrect authentication data \(set_id=73568237@yt.gl\)
2020-03-08 11:02:21 dovecot_login authenticator failed for \(\[45.133.99.130\]\) \[45.133.99.130\]: 535 Incorrect authentication data
2020-03-08 11:02:32 dovecot_login authenticator failed for \(\[45.133.99.130\]\) \[45.133.99.130\]: 535 Incorrect authentication data
2020-03-08 11:02:39 dovecot_login authenticator failed for \(\[45.133.99.130\]\) \[45.133.99.130\]: 535 Incorrect authentication data
2020-03-08 11:02:53 dovecot_login authenticator failed for \(\[45.133.99.130\]\) \[45.133.99.130\]: 535 Incorrect authentication data
...
2020-03-08 18:23:07
42.118.248.164 attackspambots
20/3/7@23:51:29: FAIL: Alarm-Intrusion address from=42.118.248.164
...
2020-03-08 18:35:03

Recently Reported IPs

104.21.19.49 179.10.211.76 104.21.19.51 104.21.19.52
104.21.19.53 104.21.19.55 104.21.19.56 239.219.162.183
104.21.19.57 136.129.125.160 104.21.19.58 231.27.47.227
104.21.19.59 104.21.19.66 104.21.19.67 104.21.19.68
104.21.19.69 104.21.19.7 167.254.226.170 213.180.149.23