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 <<>> 104.21.19.154
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38601
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.154.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:31:23 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 154.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 154.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
76.31.3.238 attack
May 26 17:37:18 roki-contabo sshd\[15203\]: Invalid user stpi from 76.31.3.238
May 26 17:37:18 roki-contabo sshd\[15203\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.31.3.238
May 26 17:37:19 roki-contabo sshd\[15203\]: Failed password for invalid user stpi from 76.31.3.238 port 54948 ssh2
May 26 17:55:42 roki-contabo sshd\[15589\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.31.3.238  user=root
May 26 17:55:44 roki-contabo sshd\[15589\]: Failed password for root from 76.31.3.238 port 56306 ssh2
...
2020-05-27 01:39:39
45.82.68.157 attackbots
 TCP (SYN) 45.82.68.157:59700 -> port 1080, len 52
2020-05-27 01:37:40
47.17.194.30 attackspambots
2020-05-26T16:29:17.278568shield sshd\[25889\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ool-2f11c21e.dyn.optonline.net  user=root
2020-05-26T16:29:19.698916shield sshd\[25889\]: Failed password for root from 47.17.194.30 port 57244 ssh2
2020-05-26T16:34:47.629924shield sshd\[27382\]: Invalid user jobs from 47.17.194.30 port 34498
2020-05-26T16:34:47.634029shield sshd\[27382\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ool-2f11c21e.dyn.optonline.net
2020-05-26T16:34:50.023533shield sshd\[27382\]: Failed password for invalid user jobs from 47.17.194.30 port 34498 ssh2
2020-05-27 01:33:50
189.109.49.138 attack
20/5/26@11:55:58: FAIL: Alarm-Network address from=189.109.49.138
20/5/26@11:55:58: FAIL: Alarm-Network address from=189.109.49.138
...
2020-05-27 01:28:29
51.255.47.133 attack
May 26 19:55:30 root sshd[31880]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=133.ip-51-255-47.eu  user=root
May 26 19:55:31 root sshd[31880]: Failed password for root from 51.255.47.133 port 44438 ssh2
...
2020-05-27 01:33:15
190.29.166.226 attackspambots
2020-05-26T11:53:23.507296devel sshd[10243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.29.166.226
2020-05-26T11:53:23.500764devel sshd[10243]: Invalid user ftp_user from 190.29.166.226 port 34818
2020-05-26T11:53:26.213385devel sshd[10243]: Failed password for invalid user ftp_user from 190.29.166.226 port 34818 ssh2
2020-05-27 01:12:18
175.39.61.0 attackbots
Automatic report - Port Scan
2020-05-27 01:09:53
47.115.54.160 attackbotsspam
failed admin login attempt
2020-05-27 01:40:09
94.102.52.44 attackspam
May 26 18:59:50 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
May 26 19:00:07 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=<0DPwBpCmxk5eZjQs>
May 26 19:00:19 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
May 26 19:01:43 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.52.44, lip=185.118.198.210, session=
May 26 19:02:11 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=
2020-05-27 01:15:11
45.134.179.57 attackspam
May 26 19:03:17 debian-2gb-nbg1-2 kernel: \[12771395.914175\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.134.179.57 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=10368 PROTO=TCP SPT=44651 DPT=5642 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-27 01:04:47
49.232.162.53 attackspam
2020-05-26T17:50:54.106943mail.broermann.family sshd[20572]: Failed password for root from 49.232.162.53 port 60610 ssh2
2020-05-26T17:53:35.031962mail.broermann.family sshd[20679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.162.53  user=root
2020-05-26T17:53:37.384186mail.broermann.family sshd[20679]: Failed password for root from 49.232.162.53 port 60430 ssh2
2020-05-26T17:56:28.542312mail.broermann.family sshd[20791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.162.53  user=root
2020-05-26T17:56:30.643648mail.broermann.family sshd[20791]: Failed password for root from 49.232.162.53 port 60254 ssh2
...
2020-05-27 01:09:31
62.57.227.12 attackspambots
Failed password for invalid user olivier from 62.57.227.12 port 34304 ssh2
2020-05-27 01:27:16
212.237.1.50 attack
May 26 17:52:47 abendstille sshd\[14842\]: Invalid user Sweex from 212.237.1.50
May 26 17:52:47 abendstille sshd\[14842\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.1.50
May 26 17:52:50 abendstille sshd\[14842\]: Failed password for invalid user Sweex from 212.237.1.50 port 43655 ssh2
May 26 17:55:47 abendstille sshd\[17897\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.1.50  user=root
May 26 17:55:49 abendstille sshd\[17897\]: Failed password for root from 212.237.1.50 port 40728 ssh2
...
2020-05-27 01:36:32
222.186.180.8 attackbots
May 26 19:31:58 ns381471 sshd[16539]: Failed password for root from 222.186.180.8 port 37626 ssh2
May 26 19:32:13 ns381471 sshd[16539]: error: maximum authentication attempts exceeded for root from 222.186.180.8 port 37626 ssh2 [preauth]
2020-05-27 01:41:00
104.248.5.69 attackbotsspam
May 26 17:56:22 ajax sshd[13632]: Failed password for root from 104.248.5.69 port 48108 ssh2
2020-05-27 01:28:58

Recently Reported IPs

104.21.19.153 104.21.19.159 104.21.19.16 104.21.19.161
104.21.19.165 104.21.19.167 104.21.19.169 104.21.19.170
104.21.19.178 104.21.19.18 104.21.19.180 104.21.19.186
104.21.19.187 104.21.19.189 104.21.19.190 104.21.19.192
104.21.19.199 104.21.19.2 104.21.19.20 104.21.19.208