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: None

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 <<>> 104.21.53.5
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54833
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.5.			IN	A

;; AUTHORITY SECTION:
.			544	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:12:57 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 5.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 5.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
190.196.226.174 attackspambots
(AR/Argentina/-) SMTP Bruteforcing attempts
2020-06-05 20:04:15
122.225.77.46 attackbots
Unauthorised access (Jun  5) SRC=122.225.77.46 LEN=52 TTL=115 ID=18400 DF TCP DPT=445 WINDOW=8192 SYN
2020-06-05 19:51:25
218.92.0.145 attackspam
2020-06-05T13:51:21.781360rocketchat.forhosting.nl sshd[5809]: Failed password for root from 218.92.0.145 port 31369 ssh2
2020-06-05T13:51:27.211590rocketchat.forhosting.nl sshd[5809]: Failed password for root from 218.92.0.145 port 31369 ssh2
2020-06-05T13:51:31.128322rocketchat.forhosting.nl sshd[5809]: Failed password for root from 218.92.0.145 port 31369 ssh2
...
2020-06-05 19:52:17
5.98.177.170 attackspam
Jun  2 16:09:01 xxxxxxx sshd[27607]: Address 5.98.177.170 maps to host-5-98-177-170.business.telecomhostnamealia.hostname, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Jun  2 16:09:01 xxxxxxx sshd[27607]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.98.177.170  user=r.r
Jun  2 16:09:03 xxxxxxx sshd[27607]: Failed password for r.r from 5.98.177.170 port 52614 ssh2
Jun  2 16:09:03 xxxxxxx sshd[27607]: Received disconnect from 5.98.177.170: 11: Bye Bye [preauth]
Jun  2 16:20:29 xxxxxxx sshd[29937]: Address 5.98.177.170 maps to host-5-98-177-170.business.telecomhostnamealia.hostname, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Jun  2 16:20:29 xxxxxxx sshd[29937]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.98.177.170  user=r.r
Jun  2 16:20:31 xxxxxxx sshd[29937]: Failed password for r.r from 5.98.177.170 port 54986 ssh2
Jun  2 16:20........
-------------------------------
2020-06-05 19:36:58
125.213.128.52 attackspam
Jun  5 06:11:02 abendstille sshd\[21727\]: Invalid user exchange\r from 125.213.128.52
Jun  5 06:11:02 abendstille sshd\[21727\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.213.128.52
Jun  5 06:11:04 abendstille sshd\[21727\]: Failed password for invalid user exchange\r from 125.213.128.52 port 34906 ssh2
Jun  5 06:11:57 abendstille sshd\[22722\]: Invalid user flavius\r from 125.213.128.52
Jun  5 06:11:57 abendstille sshd\[22722\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.213.128.52
...
2020-06-05 19:46:38
106.75.214.72 attackbotsspam
2020-06-05T07:01:19.268897vps773228.ovh.net sshd[3899]: Failed password for root from 106.75.214.72 port 59374 ssh2
2020-06-05T07:06:27.597022vps773228.ovh.net sshd[3949]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.214.72  user=root
2020-06-05T07:06:29.691103vps773228.ovh.net sshd[3949]: Failed password for root from 106.75.214.72 port 57818 ssh2
2020-06-05T07:11:35.266817vps773228.ovh.net sshd[4008]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.214.72  user=root
2020-06-05T07:11:37.320143vps773228.ovh.net sshd[4008]: Failed password for root from 106.75.214.72 port 56262 ssh2
...
2020-06-05 19:37:47
157.230.225.35 attack
Jun  5 10:15:18 localhost sshd\[9692\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.225.35  user=root
Jun  5 10:15:20 localhost sshd\[9692\]: Failed password for root from 157.230.225.35 port 53704 ssh2
Jun  5 10:26:10 localhost sshd\[9852\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.225.35  user=root
...
2020-06-05 20:06:27
89.40.143.240 attackbotsspam
Jun  5 12:59:04 debian kernel: [253706.168807] [UFW BLOCK] IN=eth0 OUT= MAC=52:54:00:be:e4:65:08:e8:4f:6e:48:0c:08:00 SRC=89.40.143.240 DST=89.252.131.35 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=14045 PROTO=TCP SPT=57572 DPT=3140 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-05 19:31:17
191.37.13.94 attackbotsspam
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-05 19:46:12
106.12.54.183 attackbotsspam
5x Failed Password
2020-06-05 19:24:25
192.3.255.139 attackbotsspam
Jun  5 09:24:59 sip sshd[32582]: Failed password for root from 192.3.255.139 port 42888 ssh2
Jun  5 09:39:26 sip sshd[5536]: Failed password for root from 192.3.255.139 port 50626 ssh2
2020-06-05 19:47:33
134.209.236.191 attackspam
Jun  5 17:05:24 itv-usvr-02 sshd[1624]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.236.191  user=root
Jun  5 17:10:30 itv-usvr-02 sshd[1864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.236.191  user=root
Jun  5 17:15:24 itv-usvr-02 sshd[2037]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.236.191  user=root
2020-06-05 19:52:49
192.162.176.212 attackspambots
(PL/Poland/-) SMTP Bruteforcing attempts
2020-06-05 19:37:24
92.118.161.37 attackspam
 TCP (SYN) 92.118.161.37:62167 -> port 2323, len 44
2020-06-05 19:27:10
180.120.214.36 attackbotsspam
Attempted Brute Force (dovecot)
2020-06-05 19:27:43

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