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 <<>> 104.21.53.207
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12066
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.207.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:15 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 207.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 207.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
119.28.238.101 attackspam
$f2bV_matches
2020-06-09 07:44:19
51.77.223.80 attackbots
650. On Jun 8 2020 experienced a Brute Force SSH login attempt -> 76 unique times by 51.77.223.80.
2020-06-09 07:18:32
188.187.190.220 attackbotsspam
SASL PLAIN auth failed: ruser=...
2020-06-09 07:22:27
45.10.167.223 attackbotsspam
Comment spam
2020-06-09 07:29:18
89.252.191.174 attack
Jun  9 02:25:20 debian kernel: [561277.784664] [UFW BLOCK] IN=eth0 OUT= MAC=52:54:00:be:e4:65:08:e8:4f:6e:48:0c:08:00 SRC=89.252.191.174 DST=89.252.131.35 LEN=52 TOS=0x00 PREC=0x00 TTL=117 ID=24749 DF PROTO=TCP SPT=51812 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0
2020-06-09 07:50:04
222.186.180.147 attackbots
Jun  9 01:25:53 abendstille sshd\[18824\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.147  user=root
Jun  9 01:25:55 abendstille sshd\[18824\]: Failed password for root from 222.186.180.147 port 50618 ssh2
Jun  9 01:26:11 abendstille sshd\[19150\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.147  user=root
Jun  9 01:26:13 abendstille sshd\[19150\]: Failed password for root from 222.186.180.147 port 56510 ssh2
Jun  9 01:26:16 abendstille sshd\[19150\]: Failed password for root from 222.186.180.147 port 56510 ssh2
...
2020-06-09 07:27:04
140.143.199.89 attack
Jun  8 22:19:39 piServer sshd[20263]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.199.89 
Jun  8 22:19:41 piServer sshd[20263]: Failed password for invalid user admin from 140.143.199.89 port 57424 ssh2
Jun  8 22:23:41 piServer sshd[20644]: Failed password for root from 140.143.199.89 port 47244 ssh2
...
2020-06-09 07:19:17
222.186.180.41 attackbotsspam
2020-06-09T01:28:01.460859rocketchat.forhosting.nl sshd[31327]: Failed password for root from 222.186.180.41 port 19078 ssh2
2020-06-09T01:28:06.908319rocketchat.forhosting.nl sshd[31327]: Failed password for root from 222.186.180.41 port 19078 ssh2
2020-06-09T01:28:10.285672rocketchat.forhosting.nl sshd[31327]: Failed password for root from 222.186.180.41 port 19078 ssh2
...
2020-06-09 07:32:19
159.203.17.176 attackbotsspam
Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-06-09 07:38:08
62.28.253.197 attack
Jun  9 01:25:02 inter-technics sshd[29421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.28.253.197  user=root
Jun  9 01:25:04 inter-technics sshd[29421]: Failed password for root from 62.28.253.197 port 20807 ssh2
Jun  9 01:28:31 inter-technics sshd[29601]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.28.253.197  user=root
Jun  9 01:28:32 inter-technics sshd[29601]: Failed password for root from 62.28.253.197 port 51778 ssh2
Jun  9 01:32:02 inter-technics sshd[29827]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.28.253.197  user=root
Jun  9 01:32:04 inter-technics sshd[29827]: Failed password for root from 62.28.253.197 port 14577 ssh2
...
2020-06-09 07:41:19
165.227.93.39 attackbots
Jun  9 05:43:11 webhost01 sshd[6554]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.93.39
Jun  9 05:43:13 webhost01 sshd[6554]: Failed password for invalid user xgs from 165.227.93.39 port 46936 ssh2
...
2020-06-09 07:45:00
185.244.39.27 attackspambots
Jun  9 02:12:43 debian kernel: [560520.496312] [UFW BLOCK] IN=eth0 OUT= MAC=52:54:00:be:e4:65:08:e8:4f:6e:48:0c:08:00 SRC=185.244.39.27 DST=89.252.131.35 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=15116 PROTO=TCP SPT=49616 DPT=23520 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-09 07:27:34
115.29.5.153 attack
Jun  7 19:48:27 mail sshd[11994]: Failed password for root from 115.29.5.153 port 35944 ssh2
...
2020-06-09 07:52:23
159.65.221.25 attack
Jun  9 01:08:44 debian-2gb-nbg1-2 kernel: \[13916461.832763\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=159.65.221.25 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=54321 PROTO=TCP SPT=47991 DPT=8088 WINDOW=65535 RES=0x00 SYN URGP=0
2020-06-09 07:41:05
190.52.131.234 attackspambots
Jun  9 01:28:22 serwer sshd\[22189\]: Invalid user wasadrc from 190.52.131.234 port 39278
Jun  9 01:28:22 serwer sshd\[22189\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.52.131.234
Jun  9 01:28:24 serwer sshd\[22189\]: Failed password for invalid user wasadrc from 190.52.131.234 port 39278 ssh2
...
2020-06-09 07:34:26

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