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 <<>> 104.21.13.37
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53681
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.13.37.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 17:55:04 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 37.13.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 37.13.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.52.251.100 attack
2020-04-05T15:55:46.923341hz01.yumiweb.com sshd\[6242\]: Invalid user zabbix from 122.52.251.100 port 55230
2020-04-05T15:58:02.082087hz01.yumiweb.com sshd\[6256\]: Invalid user ubuntu from 122.52.251.100 port 46984
2020-04-05T16:00:16.769645hz01.yumiweb.com sshd\[6274\]: Invalid user test4 from 122.52.251.100 port 38736
...
2020-04-05 22:30:45
51.77.108.92 attack
04/05/2020-09:53:41.901376 51.77.108.92 Protocol: 6 ET SCAN Potential SSH Scan
2020-04-05 21:53:53
78.47.207.144 attackspam
Lines containing failures of 78.47.207.144
Apr  4 19:27:11 zorba sshd[11041]: Invalid user admin from 78.47.207.144 port 51064
Apr  4 19:27:11 zorba sshd[11041]: Received disconnect from 78.47.207.144 port 51064:11: Normal Shutdown [preauth]
Apr  4 19:27:11 zorba sshd[11041]: Disconnected from invalid user admin 78.47.207.144 port 51064 [preauth]
Apr  4 19:29:02 zorba sshd[11068]: Invalid user webmaster from 78.47.207.144 port 42830
Apr  4 19:29:02 zorba sshd[11068]: Received disconnect from 78.47.207.144 port 42830:11: Normal Shutdown [preauth]
Apr  4 19:29:02 zorba sshd[11068]: Disconnected from invalid user webmaster 78.47.207.144 port 42830 [preauth]
Apr  4 19:31:05 zorba sshd[11089]: Invalid user ftpuser from 78.47.207.144 port 34614
Apr  4 19:31:05 zorba sshd[11089]: Received disconnect from 78.47.207.144 port 34614:11: Normal Shutdown [preauth]
Apr  4 19:31:05 zorba sshd[11089]: Disconnected from invalid user ftpuser 78.47.207.144 port 34614 [preauth]


........
----------------------------------------
2020-04-05 21:55:58
79.17.174.12 attackspambots
Port probing on unauthorized port 88
2020-04-05 22:35:38
146.0.209.72 attackbotsspam
Apr  5 14:55:47 silence02 sshd[7122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.0.209.72
Apr  5 14:55:49 silence02 sshd[7122]: Failed password for invalid user ! from 146.0.209.72 port 38212 ssh2
Apr  5 14:59:23 silence02 sshd[7336]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.0.209.72
2020-04-05 22:27:47
51.159.59.241 attackspambots
51.159.59.241 was recorded 5 times by 5 hosts attempting to connect to the following ports: 27036. Incident counter (4h, 24h, all-time): 5, 5, 1360
2020-04-05 22:35:02
139.59.190.69 attackspam
$f2bV_matches
2020-04-05 21:57:34
92.63.196.3 attackspam
Port scan on 3 port(s): 2789 3314 3489
2020-04-05 21:52:07
222.186.173.183 attackbots
Apr516:07:02server6sshd[2457]:refusedconnectfrom222.186.173.183\(222.186.173.183\)Apr516:07:02server6sshd[2458]:refusedconnectfrom222.186.173.183\(222.186.173.183\)Apr516:07:02server6sshd[2459]:refusedconnectfrom222.186.173.183\(222.186.173.183\)Apr516:11:11server6sshd[2930]:refusedconnectfrom222.186.173.183\(222.186.173.183\)Apr516:11:11server6sshd[2931]:refusedconnectfrom222.186.173.183\(222.186.173.183\)
2020-04-05 22:16:37
124.156.55.45 attackbotsspam
20/4/5@08:44:14: FAIL: Alarm-Telnet address from=124.156.55.45
...
2020-04-05 22:37:12
40.87.137.185 attackspam
Apr  4 22:37:00 nbi-636 sshd[15469]: User r.r from 40.87.137.185 not allowed because not listed in AllowUsers
Apr  4 22:37:00 nbi-636 sshd[15469]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.87.137.185  user=r.r
Apr  4 22:37:03 nbi-636 sshd[15469]: Failed password for invalid user r.r from 40.87.137.185 port 57066 ssh2
Apr  4 22:37:04 nbi-636 sshd[15469]: Received disconnect from 40.87.137.185 port 57066:11: Bye Bye [preauth]
Apr  4 22:37:04 nbi-636 sshd[15469]: Disconnected from invalid user r.r 40.87.137.185 port 57066 [preauth]
Apr  4 22:44:36 nbi-636 sshd[18663]: User r.r from 40.87.137.185 not allowed because not listed in AllowUsers
Apr  4 22:44:36 nbi-636 sshd[18663]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.87.137.185  user=r.r
Apr  4 22:44:38 nbi-636 sshd[18663]: Failed password for invalid user r.r from 40.87.137.185 port 38356 ssh2
Apr  4 22:44:40 nbi-636 sshd[186........
-------------------------------
2020-04-05 22:37:37
185.176.27.34 attackbots
04/05/2020-10:28:00.170455 185.176.27.34 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-04-05 22:33:53
185.248.12.244 attack
xmlrpc attack
2020-04-05 22:37:57
171.225.254.110 attackbots
Unauthorized connection attempt detected from IP address 171.225.254.110 to port 445
2020-04-05 22:22:36
106.13.35.87 attackbots
Apr  5 10:32:54 vps46666688 sshd[21306]: Failed password for root from 106.13.35.87 port 45424 ssh2
...
2020-04-05 21:54:31

Recently Reported IPs

104.21.13.36 104.21.13.38 153.55.60.180 104.21.13.39
104.21.13.4 104.21.13.41 161.129.58.79 104.21.13.45
104.21.13.49 104.21.13.52 104.21.13.53 104.21.13.55
183.173.93.91 104.21.13.65 104.21.13.66 104.21.13.67
104.21.13.69 104.21.13.7 49.158.150.68 104.21.13.71