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 <<>> 104.21.4.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64914
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.136.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:44:41 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 136.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.232.16.47 attack
Aug 20 08:56:24 lukav-desktop sshd\[14758\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.16.47  user=root
Aug 20 08:56:26 lukav-desktop sshd\[14758\]: Failed password for root from 49.232.16.47 port 36910 ssh2
Aug 20 08:59:28 lukav-desktop sshd\[16193\]: Invalid user aiden from 49.232.16.47
Aug 20 08:59:28 lukav-desktop sshd\[16193\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.16.47
Aug 20 08:59:30 lukav-desktop sshd\[16193\]: Failed password for invalid user aiden from 49.232.16.47 port 41626 ssh2
2020-08-20 15:20:37
120.53.243.163 attackbots
Invalid user test from 120.53.243.163 port 37278
2020-08-20 15:31:57
218.92.0.185 attack
Brute-force attempt banned
2020-08-20 15:43:29
122.51.37.26 attack
(sshd) Failed SSH login from 122.51.37.26 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Aug 20 07:51:14 s1 sshd[12069]: Invalid user tryton from 122.51.37.26 port 54710
Aug 20 07:51:16 s1 sshd[12069]: Failed password for invalid user tryton from 122.51.37.26 port 54710 ssh2
Aug 20 08:05:30 s1 sshd[12387]: Invalid user jacky from 122.51.37.26 port 52438
Aug 20 08:05:33 s1 sshd[12387]: Failed password for invalid user jacky from 122.51.37.26 port 52438 ssh2
Aug 20 08:11:35 s1 sshd[12547]: Invalid user test from 122.51.37.26 port 56480
2020-08-20 15:23:16
185.210.218.206 attackspam
[2020-08-20 03:27:52] NOTICE[1185] chan_sip.c: Registration from '' failed for '185.210.218.206:62836' - Wrong password
[2020-08-20 03:27:52] SECURITY[1203] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-08-20T03:27:52.537-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9744",SessionID="0x7f10c43f67a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.210.218.206/62836",Challenge="264f07ae",ReceivedChallenge="264f07ae",ReceivedHash="316d2525c58aeb94bf2231108c7b9e68"
[2020-08-20 03:28:17] NOTICE[1185] chan_sip.c: Registration from '' failed for '185.210.218.206:57290' - Wrong password
[2020-08-20 03:28:17] SECURITY[1203] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-08-20T03:28:17.031-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2433",SessionID="0x7f10c4365628",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.210
...
2020-08-20 15:37:38
222.186.30.35 attackbotsspam
2020-08-20T09:32:55.689994vps773228.ovh.net sshd[8472]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.35  user=root
2020-08-20T09:32:57.913334vps773228.ovh.net sshd[8472]: Failed password for root from 222.186.30.35 port 49767 ssh2
2020-08-20T09:32:55.689994vps773228.ovh.net sshd[8472]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.35  user=root
2020-08-20T09:32:57.913334vps773228.ovh.net sshd[8472]: Failed password for root from 222.186.30.35 port 49767 ssh2
2020-08-20T09:33:00.109977vps773228.ovh.net sshd[8472]: Failed password for root from 222.186.30.35 port 49767 ssh2
...
2020-08-20 15:39:41
115.159.190.174 attackbotsspam
2020-08-20T04:58:42+0000 Failed SSH Authentication/Brute Force Attack. (Server 6)
2020-08-20 16:03:03
89.218.240.106 attackspam
Email rejected due to spam filtering
2020-08-20 15:57:51
5.76.58.251 attack
IP: 5.76.58.251
Ports affected
    Simple Mail Transfer (25) 
Found in DNSBL('s)
ASN Details
   AS9198 JSC Kazakhtelecom
   Kazakhstan (KZ)
   CIDR 5.76.0.0/16
Log Date: 20/08/2020 6:37:48 AM UTC
2020-08-20 15:58:44
54.179.29.148 attackspam
joshuajohannes.de 54.179.29.148 [20/Aug/2020:05:52:07 +0200] "POST /wp-login.php HTTP/1.1" 200 6619 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
joshuajohannes.de 54.179.29.148 [20/Aug/2020:05:52:08 +0200] "POST /wp-login.php HTTP/1.1" 200 6586 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-08-20 15:22:28
161.35.210.241 attack
161.35.210.241 - - [20/Aug/2020:06:46:57 +0200] "GET /wp-login.php HTTP/1.1" 200 8775 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
161.35.210.241 - - [20/Aug/2020:06:46:58 +0200] "POST /wp-login.php HTTP/1.1" 200 9026 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
161.35.210.241 - - [20/Aug/2020:06:46:59 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-08-20 15:45:35
134.209.228.253 attack
Aug 20 08:08:50 cho sshd[1119932]: Failed password for root from 134.209.228.253 port 38796 ssh2
Aug 20 08:12:38 cho sshd[1120324]: Invalid user andrea from 134.209.228.253 port 46516
Aug 20 08:12:38 cho sshd[1120324]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.228.253 
Aug 20 08:12:38 cho sshd[1120324]: Invalid user andrea from 134.209.228.253 port 46516
Aug 20 08:12:40 cho sshd[1120324]: Failed password for invalid user andrea from 134.209.228.253 port 46516 ssh2
...
2020-08-20 15:26:20
197.227.8.186 attackbotsspam
2020-08-20T07:52:36.531154galaxy.wi.uni-potsdam.de sshd[31995]: Invalid user lq from 197.227.8.186 port 18861
2020-08-20T07:52:38.119241galaxy.wi.uni-potsdam.de sshd[31995]: Failed password for invalid user lq from 197.227.8.186 port 18861 ssh2
2020-08-20T07:54:01.732968galaxy.wi.uni-potsdam.de sshd[32180]: Invalid user developer from 197.227.8.186 port 27284
2020-08-20T07:54:01.735236galaxy.wi.uni-potsdam.de sshd[32180]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.227.8.186
2020-08-20T07:54:01.732968galaxy.wi.uni-potsdam.de sshd[32180]: Invalid user developer from 197.227.8.186 port 27284
2020-08-20T07:54:03.656743galaxy.wi.uni-potsdam.de sshd[32180]: Failed password for invalid user developer from 197.227.8.186 port 27284 ssh2
2020-08-20T07:55:24.459079galaxy.wi.uni-potsdam.de sshd[32333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.227.8.186  user=root
2020-08-20T07:55:26.441638galaxy.wi.
...
2020-08-20 15:31:21
68.183.220.40 attack
Port Scan
...
2020-08-20 15:42:57
139.59.75.111 attack
2020-08-20T09:54:09.050851snf-827550 sshd[4703]: Failed password for invalid user nagios from 139.59.75.111 port 38488 ssh2
2020-08-20T10:02:54.655328snf-827550 sshd[5312]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.75.111  user=root
2020-08-20T10:02:56.633650snf-827550 sshd[5312]: Failed password for root from 139.59.75.111 port 33066 ssh2
...
2020-08-20 15:35:03

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