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 <<>> 104.21.204.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3837
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.204.136.			IN	A

;; AUTHORITY SECTION:
.			567	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022040702 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Apr 08 02:32:43 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 136.204.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.204.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.139.86.166 attackbots
Invalid user sm from 14.139.86.166 port 45766
2020-07-26 00:35:22
94.120.112.213 attackspambots
Automatic report - Port Scan Attack
2020-07-26 00:55:27
213.6.61.218 attack
Port Scan
...
2020-07-26 00:45:59
51.68.251.202 attackspam
Jul 25 18:51:15 [host] sshd[11344]: Invalid user m
Jul 25 18:51:16 [host] sshd[11344]: pam_unix(sshd:
Jul 25 18:51:18 [host] sshd[11344]: Failed passwor
2020-07-26 01:12:04
51.91.212.79 attackspambots
Jul 25 19:08:25 debian-2gb-nbg1-2 kernel: \[17955419.767009\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=51.91.212.79 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=54321 PROTO=TCP SPT=59329 DPT=6006 WINDOW=65535 RES=0x00 SYN URGP=0
2020-07-26 01:13:21
64.20.52.114 attackbots
Port probe and connect to SMTP:25 x 2.
Auth intiated but dropped.
2020-07-26 01:09:14
129.211.99.254 attack
Jul 25 15:49:32 onepixel sshd[1361677]: Invalid user tommaso from 129.211.99.254 port 37964
Jul 25 15:49:32 onepixel sshd[1361677]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.99.254 
Jul 25 15:49:32 onepixel sshd[1361677]: Invalid user tommaso from 129.211.99.254 port 37964
Jul 25 15:49:34 onepixel sshd[1361677]: Failed password for invalid user tommaso from 129.211.99.254 port 37964 ssh2
Jul 25 15:53:19 onepixel sshd[1363684]: Invalid user willie from 129.211.99.254 port 51612
2020-07-26 00:59:47
111.231.190.106 attackspambots
Invalid user cyn from 111.231.190.106 port 52406
2020-07-26 01:03:40
37.229.29.176 attackspambots
Honeypot attack, port: 445, PTR: 37-229-29-176.broadband.kyivstar.net.
2020-07-26 01:06:03
116.96.76.119 attackspambots
Unauthorized connection attempt from IP address 116.96.76.119 on Port 445(SMB)
2020-07-26 00:40:29
140.143.130.52 attackbotsspam
Exploited Host.
2020-07-26 01:03:10
114.235.210.246 attackspambots
Jul 25 21:56:34 gw1 sshd[21469]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.235.210.246
Jul 25 21:56:36 gw1 sshd[21469]: Failed password for invalid user ftp2 from 114.235.210.246 port 55322 ssh2
...
2020-07-26 01:10:27
119.28.134.218 attackspambots
SSH brute force attempt
2020-07-26 00:49:35
36.92.26.194 attackbotsspam
Unauthorized connection attempt from IP address 36.92.26.194 on Port 445(SMB)
2020-07-26 00:45:40
176.31.252.148 attackspambots
Jul 25 13:18:50 firewall sshd[26354]: Invalid user noc from 176.31.252.148
Jul 25 13:18:52 firewall sshd[26354]: Failed password for invalid user noc from 176.31.252.148 port 54506 ssh2
Jul 25 13:22:52 firewall sshd[26429]: Invalid user test2 from 176.31.252.148
...
2020-07-26 00:37:39

Recently Reported IPs

104.21.202.243 104.21.209.19 104.21.210.207 104.21.214.205
104.21.217.15 104.21.217.218 104.21.218.154 104.21.222.183
104.21.222.74 104.21.223.228 104.21.226.204 104.21.230.197
104.21.231.158 104.21.232.244 104.21.237.204 104.21.237.24
104.21.238.177 104.210.108.35 104.210.118.117 104.210.219.95