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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.13.187
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60657
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.13.187.			IN	A

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

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:10:41 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 187.13.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 187.13.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
24.255.39.94 attack
SSH break in attempt
...
2020-09-27 05:34:28
1.179.220.209 attack
2019-11-26T03:04:12.727720suse-nuc sshd[23195]: Invalid user ftp from 1.179.220.209 port 58432
...
2020-09-27 05:34:58
1.194.48.90 attackbots
2020-06-28T02:43:51.190180suse-nuc sshd[30914]: Invalid user deb from 1.194.48.90 port 34478
...
2020-09-27 05:28:39
1.179.182.83 attackbots
2019-11-12T16:59:11.997867suse-nuc sshd[9999]: Invalid user mysql from 1.179.182.83 port 56146
...
2020-09-27 05:39:05
1.119.44.250 attackspam
2020-03-07T17:33:47.461003suse-nuc sshd[8491]: Invalid user 22 from 1.119.44.250 port 32796
...
2020-09-27 05:49:24
132.232.59.78 attackspambots
Sep 26 14:03:20 serwer sshd\[24068\]: Invalid user helpdesk from 132.232.59.78 port 33062
Sep 26 14:03:20 serwer sshd\[24068\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.59.78
Sep 26 14:03:21 serwer sshd\[24068\]: Failed password for invalid user helpdesk from 132.232.59.78 port 33062 ssh2
...
2020-09-27 05:44:47
125.212.233.50 attackspam
Brute%20Force%20SSH
2020-09-27 05:43:14
157.245.252.34 attackbots
(sshd) Failed SSH login from 157.245.252.34 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 26 13:23:21 server2 sshd[29761]: Invalid user manager from 157.245.252.34
Sep 26 13:23:21 server2 sshd[29761]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.252.34 
Sep 26 13:23:22 server2 sshd[29761]: Failed password for invalid user manager from 157.245.252.34 port 46372 ssh2
Sep 26 13:28:45 server2 sshd[3125]: Invalid user centos from 157.245.252.34
Sep 26 13:28:45 server2 sshd[3125]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.252.34
2020-09-27 05:24:32
52.251.55.166 attackbots
Sep 26 23:42:57 rancher-0 sshd[323673]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.251.55.166  user=root
Sep 26 23:43:00 rancher-0 sshd[323673]: Failed password for root from 52.251.55.166 port 1513 ssh2
...
2020-09-27 05:50:29
49.12.118.79 attack
Amazon phisg.
Received:  from mx.steamfair.co.uk () by mx-ha.gmx.net (mxgmx016 ) with ESMTPS (Nemesis) id 1MvJ8l-1kRfbn0yv3-00rKiM for ; Thu, 24 Sep 2020 21:48:01 +0200
Tracking message source: 49.12.118.79:
Routing details for 49.12.118.79
Report routing for 49.12.118.79: abuse@hetzner.de
"From:  (Gluckwunsch! Exklusive Pramien uber 50 USD- uber Amazon Prime!)
 Gesendet: Donnerstag, 24. Septemb
 er 2020 um 21:48 Uhr"
2020-09-27 05:31:58
51.144.45.198 attackbotsspam
SSH Invalid Login
2020-09-27 05:58:12
40.80.146.217 attackspam
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2020-09-26T21:24:32Z
2020-09-27 05:25:16
1.171.19.44 attackbotsspam
2020-05-23T07:55:56.026177suse-nuc sshd[13733]: Invalid user supervisor from 1.171.19.44 port 50081
...
2020-09-27 05:42:36
161.35.148.75 attack
Invalid user edu from 161.35.148.75 port 54304
2020-09-27 05:41:58
13.76.94.26 attackspam
SSH Invalid Login
2020-09-27 05:46:47

Recently Reported IPs

104.21.13.170 104.21.13.191 104.21.13.193 104.21.13.20
104.21.13.203 104.21.67.222 104.21.13.220 104.21.13.222
104.21.13.225 104.21.13.230 104.21.13.218 104.21.13.201
104.21.13.209 104.21.13.210 104.21.13.232 104.21.13.234
104.21.13.238 104.21.13.240 104.21.13.243 104.21.13.242