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 <<>> 104.21.53.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25007
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.136.			IN	A

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

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:55:57 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 136.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
81.22.45.251 attackbotsspam
Nov 29 09:51:30 mc1 kernel: \[6303712.064738\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.251 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=14707 PROTO=TCP SPT=52967 DPT=3090 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 29 09:53:05 mc1 kernel: \[6303807.164435\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.251 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=21133 PROTO=TCP SPT=52967 DPT=3055 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov 29 09:57:47 mc1 kernel: \[6304088.745114\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.251 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=1002 PROTO=TCP SPT=52967 DPT=3041 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2019-11-29 17:04:09
122.51.184.18 attack
11/29/2019-01:27:35.304498 122.51.184.18 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-11-29 16:29:39
122.201.23.58 attackspam
Unauthorised access (Nov 29) SRC=122.201.23.58 LEN=52 TTL=116 ID=9492 DF TCP DPT=445 WINDOW=8192 SYN
2019-11-29 16:28:49
5.133.150.77 attack
Automatic report - Port Scan Attack
2019-11-29 16:47:23
185.200.118.58 attackspambots
firewall-block, port(s): 1080/tcp
2019-11-29 17:01:26
93.43.76.70 attack
(sshd) Failed SSH login from 93.43.76.70 (IT/Italy/93-43-76-70.ip91.fastwebnet.it): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Nov 29 03:16:47 cwp sshd[24939]: Failed password for root from 93.43.76.70 port 37179 ssh2
Nov 29 03:38:45 cwp sshd[25196]: Invalid user mucha from 93.43.76.70 port 48510
Nov 29 03:38:47 cwp sshd[25196]: Failed password for invalid user mucha from 93.43.76.70 port 48510 ssh2
Nov 29 03:55:03 cwp sshd[25411]: Failed password for root from 93.43.76.70 port 40582 ssh2
Nov 29 04:11:10 cwp sshd[25643]: Failed password for root from 93.43.76.70 port 60885 ssh2
2019-11-29 16:59:11
82.64.185.26 attackbots
Invalid user pi from 82.64.185.26 port 59668
2019-11-29 16:58:19
12.68.238.146 attack
RDP Bruteforce
2019-11-29 17:00:36
185.171.89.79 attackbotsspam
WordPress login Brute force / Web App Attack on client site.
2019-11-29 16:30:54
91.90.9.156 attackbots
1575008845 - 11/29/2019 07:27:25 Host: 91.90.9.156/91.90.9.156 Port: 22 TCP Blocked
2019-11-29 16:35:00
148.72.171.73 attack
SIPVicious Scanner Detection
2019-11-29 16:27:53
103.48.83.128 attack
Unauthorised access (Nov 29) SRC=103.48.83.128 LEN=40 TTL=244 ID=51989 TCP DPT=1433 WINDOW=1024 SYN
2019-11-29 16:38:47
118.89.153.229 attackbots
Nov 29 08:35:59 OPSO sshd\[32186\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.153.229  user=root
Nov 29 08:36:01 OPSO sshd\[32186\]: Failed password for root from 118.89.153.229 port 59318 ssh2
Nov 29 08:39:59 OPSO sshd\[32660\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.153.229  user=root
Nov 29 08:40:01 OPSO sshd\[32660\]: Failed password for root from 118.89.153.229 port 38002 ssh2
Nov 29 08:44:10 OPSO sshd\[1125\]: Invalid user noc from 118.89.153.229 port 44936
Nov 29 08:44:10 OPSO sshd\[1125\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.153.229
2019-11-29 16:56:03
106.13.138.225 attackspam
Nov 29 13:13:09 vibhu-HP-Z238-Microtower-Workstation sshd\[16153\]: Invalid user lougaris from 106.13.138.225
Nov 29 13:13:09 vibhu-HP-Z238-Microtower-Workstation sshd\[16153\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.138.225
Nov 29 13:13:11 vibhu-HP-Z238-Microtower-Workstation sshd\[16153\]: Failed password for invalid user lougaris from 106.13.138.225 port 41438 ssh2
Nov 29 13:17:27 vibhu-HP-Z238-Microtower-Workstation sshd\[16675\]: Invalid user strange from 106.13.138.225
Nov 29 13:17:27 vibhu-HP-Z238-Microtower-Workstation sshd\[16675\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.138.225
...
2019-11-29 16:26:04
129.158.73.231 attack
Nov 29 09:47:35 MK-Soft-Root1 sshd[15052]: Failed password for root from 129.158.73.231 port 47307 ssh2
Nov 29 09:50:30 MK-Soft-Root1 sshd[15679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.158.73.231 
...
2019-11-29 16:50:47

Recently Reported IPs

104.21.53.133 104.21.53.137 104.21.53.14 104.21.53.142
104.21.53.143 104.21.53.147 104.21.53.149 104.21.53.151
5.242.6.103 104.21.53.155 104.21.53.157 104.21.53.158
104.21.53.161 104.21.53.164 218.147.14.50 104.21.53.166
104.21.53.167 104.21.53.173 62.170.55.62 104.21.53.179