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 <<>> 104.21.57.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23280
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.53.			IN	A

;; AUTHORITY SECTION:
.			381	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 20 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:38:29 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 53.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
35.202.44.49 attack
May  5 18:24:24 game-panel sshd[8889]: Failed password for root from 35.202.44.49 port 58340 ssh2
May  5 18:28:19 game-panel sshd[9053]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.202.44.49
May  5 18:28:21 game-panel sshd[9053]: Failed password for invalid user cs16 from 35.202.44.49 port 42694 ssh2
2020-05-06 03:21:13
106.12.31.99 attackbotsspam
May  5 15:10:30 ny01 sshd[21908]: Failed password for root from 106.12.31.99 port 39750 ssh2
May  5 15:15:27 ny01 sshd[22515]: Failed password for root from 106.12.31.99 port 47164 ssh2
2020-05-06 03:34:13
118.24.214.45 attackbots
2020-05-05T19:53:37.823811struts4.enskede.local sshd\[5845\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.214.45  user=root
2020-05-05T19:53:40.637479struts4.enskede.local sshd\[5845\]: Failed password for root from 118.24.214.45 port 39278 ssh2
2020-05-05T19:56:53.698834struts4.enskede.local sshd\[5876\]: Invalid user hirai from 118.24.214.45 port 42860
2020-05-05T19:56:53.705420struts4.enskede.local sshd\[5876\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.214.45
2020-05-05T19:56:56.880304struts4.enskede.local sshd\[5876\]: Failed password for invalid user hirai from 118.24.214.45 port 42860 ssh2
...
2020-05-06 03:18:26
200.38.239.177 attackspambots
Automatic report - Port Scan Attack
2020-05-06 03:16:08
90.189.117.121 attackspambots
2020-05-05T13:56:13.0280041495-001 sshd[41671]: Invalid user tidb from 90.189.117.121 port 40742
2020-05-05T13:56:15.3250511495-001 sshd[41671]: Failed password for invalid user tidb from 90.189.117.121 port 40742 ssh2
2020-05-05T14:03:45.4486651495-001 sshd[42010]: Invalid user admin123 from 90.189.117.121 port 48606
2020-05-05T14:03:45.4559821495-001 sshd[42010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=90.189.117.121
2020-05-05T14:03:45.4486651495-001 sshd[42010]: Invalid user admin123 from 90.189.117.121 port 48606
2020-05-05T14:03:47.1315791495-001 sshd[42010]: Failed password for invalid user admin123 from 90.189.117.121 port 48606 ssh2
...
2020-05-06 03:23:04
122.228.19.80 attackspam
firewall-block, port(s): 80/udp, 873/tcp, 2086/tcp, 5938/tcp, 6000/udp, 22105/tcp
2020-05-06 03:27:20
49.88.112.112 attack
May  5 15:14:13 plusreed sshd[25465]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.112  user=root
May  5 15:14:15 plusreed sshd[25465]: Failed password for root from 49.88.112.112 port 18945 ssh2
...
2020-05-06 03:25:38
190.145.20.106 attack
May  5 18:56:58 pi sshd[15286]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.145.20.106 
May  5 18:57:00 pi sshd[15286]: Failed password for invalid user matt from 190.145.20.106 port 9224 ssh2
2020-05-06 03:05:56
64.225.21.19 attack
Bot disrespecting robots.txt (0x363346-K44-XrGo5CdnXN3hxb@-20hX4QAAAQk)
2020-05-06 03:12:40
87.251.74.56 attack
Attempted SSH brute force / scan
2020-05-06 03:11:20
91.121.164.188 attackspam
2020-05-05T21:00:52.876732vps773228.ovh.net sshd[26940]: Failed password for invalid user ma from 91.121.164.188 port 59486 ssh2
2020-05-05T21:04:31.114497vps773228.ovh.net sshd[27015]: Invalid user maggi from 91.121.164.188 port 40626
2020-05-05T21:04:31.124688vps773228.ovh.net sshd[27015]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns360710.ip-91-121-164.eu
2020-05-05T21:04:31.114497vps773228.ovh.net sshd[27015]: Invalid user maggi from 91.121.164.188 port 40626
2020-05-05T21:04:33.010030vps773228.ovh.net sshd[27015]: Failed password for invalid user maggi from 91.121.164.188 port 40626 ssh2
...
2020-05-06 03:10:54
106.13.161.250 attackspambots
May  5 20:05:58 Ubuntu-1404-trusty-64-minimal sshd\[6574\]: Invalid user postgres from 106.13.161.250
May  5 20:05:58 Ubuntu-1404-trusty-64-minimal sshd\[6574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.161.250
May  5 20:06:00 Ubuntu-1404-trusty-64-minimal sshd\[6574\]: Failed password for invalid user postgres from 106.13.161.250 port 48068 ssh2
May  5 20:16:43 Ubuntu-1404-trusty-64-minimal sshd\[14337\]: Invalid user cd from 106.13.161.250
May  5 20:16:43 Ubuntu-1404-trusty-64-minimal sshd\[14337\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.161.250
2020-05-06 03:26:03
35.226.60.77 attackspambots
2020-05-05T14:50:23.8390351495-001 sshd[44337]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.60.226.35.bc.googleusercontent.com  user=root
2020-05-05T14:50:25.3141611495-001 sshd[44337]: Failed password for root from 35.226.60.77 port 56970 ssh2
2020-05-05T14:53:37.7218641495-001 sshd[44561]: Invalid user harry from 35.226.60.77 port 33684
2020-05-05T14:53:37.7254961495-001 sshd[44561]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.60.226.35.bc.googleusercontent.com
2020-05-05T14:53:37.7218641495-001 sshd[44561]: Invalid user harry from 35.226.60.77 port 33684
2020-05-05T14:53:39.8334431495-001 sshd[44561]: Failed password for invalid user harry from 35.226.60.77 port 33684 ssh2
...
2020-05-06 03:14:47
67.198.237.83 attackbots
2020-05-05T17:50:42.515675abusebot-2.cloudsearch.cf sshd[15098]: Invalid user r00t from 67.198.237.83 port 50214
2020-05-05T17:50:42.522429abusebot-2.cloudsearch.cf sshd[15098]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.198.237.83
2020-05-05T17:50:42.515675abusebot-2.cloudsearch.cf sshd[15098]: Invalid user r00t from 67.198.237.83 port 50214
2020-05-05T17:50:45.040653abusebot-2.cloudsearch.cf sshd[15098]: Failed password for invalid user r00t from 67.198.237.83 port 50214 ssh2
2020-05-05T17:57:08.092637abusebot-2.cloudsearch.cf sshd[15104]: Invalid user mojtaba from 67.198.237.83 port 32840
2020-05-05T17:57:08.099973abusebot-2.cloudsearch.cf sshd[15104]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.198.237.83
2020-05-05T17:57:08.092637abusebot-2.cloudsearch.cf sshd[15104]: Invalid user mojtaba from 67.198.237.83 port 32840
2020-05-05T17:57:10.608227abusebot-2.cloudsearch.cf sshd[15104]: Faile
...
2020-05-06 03:12:25
35.200.161.135 attack
May  5 12:38:44 server1 sshd\[23505\]: Failed password for invalid user start from 35.200.161.135 port 46406 ssh2
May  5 12:43:33 server1 sshd\[24931\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.200.161.135  user=root
May  5 12:43:35 server1 sshd\[24931\]: Failed password for root from 35.200.161.135 port 56510 ssh2
May  5 12:48:12 server1 sshd\[26341\]: Invalid user hue from 35.200.161.135
May  5 12:48:12 server1 sshd\[26341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.200.161.135 
...
2020-05-06 03:45:11

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