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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.52.135
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50105
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.135.			IN	A

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

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:46:21 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 135.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 135.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.240.234.114 attack
Mar 28 05:53:30 nextcloud sshd\[19509\]: Invalid user lxk from 106.240.234.114
Mar 28 05:53:30 nextcloud sshd\[19509\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.240.234.114
Mar 28 05:53:32 nextcloud sshd\[19509\]: Failed password for invalid user lxk from 106.240.234.114 port 43662 ssh2
2020-03-28 15:19:59
92.222.224.189 attackbotsspam
Mar 28 03:14:41 firewall sshd[31401]: Invalid user rm from 92.222.224.189
Mar 28 03:14:43 firewall sshd[31401]: Failed password for invalid user rm from 92.222.224.189 port 48182 ssh2
Mar 28 03:18:36 firewall sshd[31597]: Invalid user yci from 92.222.224.189
...
2020-03-28 14:59:29
222.186.42.136 attackbots
03/28/2020-03:25:17.962072 222.186.42.136 Protocol: 6 ET SCAN Potential SSH Scan
2020-03-28 15:27:48
185.243.114.132 attackbots
Attempting to bruteforce  account on exchange server.
2020-03-28 15:55:14
183.95.84.150 attackspam
Invalid user xsj from 183.95.84.150 port 31735
2020-03-28 15:26:47
92.252.160.19 attackspambots
1585367420 - 03/28/2020 04:50:20 Host: 92.252.160.19/92.252.160.19 Port: 445 TCP Blocked
2020-03-28 15:49:49
37.187.122.195 attackspam
Invalid user cashlin from 37.187.122.195 port 33480
2020-03-28 15:08:56
45.143.220.252 attackspam
[2020-03-28 03:10:53] NOTICE[1148] chan_sip.c: Registration from '"402" ' failed for '45.143.220.252:5570' - Wrong password
[2020-03-28 03:10:53] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-28T03:10:53.437-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="402",SessionID="0x7fd82c43c848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.252/5570",Challenge="05106849",ReceivedChallenge="05106849",ReceivedHash="ef95d6eca6d1bb7aaf02d78933dff5d6"
[2020-03-28 03:10:53] NOTICE[1148] chan_sip.c: Registration from '"402" ' failed for '45.143.220.252:5570' - Wrong password
[2020-03-28 03:10:53] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-28T03:10:53.535-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="402",SessionID="0x7fd82cdb8718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.14
...
2020-03-28 15:10:56
202.88.252.53 attackspam
SSH Brute Force
2020-03-28 15:05:04
212.64.19.123 attack
Mar 28 07:49:47 mail sshd\[3277\]: Invalid user hlc from 212.64.19.123
Mar 28 07:49:47 mail sshd\[3277\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.19.123
Mar 28 07:49:49 mail sshd\[3277\]: Failed password for invalid user hlc from 212.64.19.123 port 36932 ssh2
...
2020-03-28 15:16:20
198.108.66.234 attack
firewall-block, port(s): 21313/tcp
2020-03-28 15:41:38
114.237.109.196 attack
SpamScore above: 10.0
2020-03-28 15:14:51
113.125.159.5 attack
Invalid user lv from 113.125.159.5 port 41718
2020-03-28 15:06:23
41.237.236.45 attack
DATE:2020-03-28 04:46:15, IP:41.237.236.45, PORT:telnet Telnet brute force auth on honeypot server (epe-honey1-hq)
2020-03-28 15:54:16
217.182.196.178 attackbotsspam
Mar 28 07:12:10 jane sshd[22742]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.196.178 
Mar 28 07:12:12 jane sshd[22742]: Failed password for invalid user hde from 217.182.196.178 port 35882 ssh2
...
2020-03-28 15:14:03

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