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 of America (the)

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 <<>> 52.21.104.135
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51381
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;52.21.104.135.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022200 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 23 00:19:41 CST 2025
;; MSG SIZE  rcvd: 106
Host info
135.104.21.52.in-addr.arpa domain name pointer ec2-52-21-104-135.compute-1.amazonaws.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
135.104.21.52.in-addr.arpa	name = ec2-52-21-104-135.compute-1.amazonaws.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
83.171.253.144 attack
(mod_security) mod_security (id:210730) triggered by 83.171.253.144 (RU/Russia/-): 5 in the last 300 secs
2020-10-03 22:56:37
159.65.85.131 attackspambots
Oct 3 16:38:35 *hidden* sshd[19267]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.85.131 Oct 3 16:38:37 *hidden* sshd[19267]: Failed password for invalid user ken from 159.65.85.131 port 35296 ssh2 Oct 3 16:43:16 *hidden* sshd[20986]: Invalid user user2 from 159.65.85.131 port 43262 Oct 3 16:43:16 *hidden* sshd[20986]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.85.131 Oct 3 16:43:18 *hidden* sshd[20986]: Failed password for invalid user user2 from 159.65.85.131 port 43262 ssh2
2020-10-03 22:57:47
112.85.42.186 attackspam
2020-10-03T17:31:02.913255lavrinenko.info sshd[21806]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.186  user=root
2020-10-03T17:31:04.612122lavrinenko.info sshd[21806]: Failed password for root from 112.85.42.186 port 19979 ssh2
2020-10-03T17:31:02.913255lavrinenko.info sshd[21806]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.186  user=root
2020-10-03T17:31:04.612122lavrinenko.info sshd[21806]: Failed password for root from 112.85.42.186 port 19979 ssh2
2020-10-03T17:31:07.991508lavrinenko.info sshd[21806]: Failed password for root from 112.85.42.186 port 19979 ssh2
...
2020-10-03 22:36:29
68.170.68.204 attack
frenzy
2020-10-03 23:07:01
222.98.173.216 attackspam
Oct  3 00:35:31 vlre-nyc-1 sshd\[12660\]: Invalid user rafael from 222.98.173.216
Oct  3 00:35:31 vlre-nyc-1 sshd\[12660\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.98.173.216
Oct  3 00:35:33 vlre-nyc-1 sshd\[12660\]: Failed password for invalid user rafael from 222.98.173.216 port 48706 ssh2
Oct  3 00:39:32 vlre-nyc-1 sshd\[12714\]: Invalid user test1 from 222.98.173.216
Oct  3 00:39:32 vlre-nyc-1 sshd\[12714\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.98.173.216
...
2020-10-03 23:05:54
62.234.146.45 attackbotsspam
Invalid user anaconda from 62.234.146.45 port 42106
2020-10-03 22:27:23
197.5.145.102 attackbots
Invalid user nagios from 197.5.145.102 port 10915
2020-10-03 22:40:16
186.19.9.78 attackspambots
02.10.2020 22:39:24 - RDP Login Fail Detected by 
https://www.elinox.de/RDP-Wächter
2020-10-03 22:57:30
124.156.240.118 attack
33/tcp 16010/tcp 32777/udp...
[2020-08-05/10-02]8pkt,6pt.(tcp),2pt.(udp)
2020-10-03 22:59:32
98.180.250.36 attackbotsspam
20/10/3@04:24:27: FAIL: Alarm-Intrusion address from=98.180.250.36
20/10/3@04:24:27: FAIL: Alarm-Intrusion address from=98.180.250.36
...
2020-10-03 23:02:25
185.175.93.37 attackbotsspam
scans once in preceeding hours on the ports (in chronological order) 33898 resulting in total of 21 scans from 185.175.93.0/24 block.
2020-10-03 22:43:27
92.118.161.45 attackbotsspam
srvr2: (mod_security) mod_security (id:920350) triggered by 92.118.161.45 (US/-/92.118.161.45.netsystemsresearch.com): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/10/03 15:42:13 [error] 278049#0: *240307 [client 92.118.161.45] ModSecurity: Access denied with code 406 (phase 2). Matched "Operator `Rx' with parameter `^[\d.:]+$' against variable `REQUEST_HEADERS:Host'  [redacted] [file "/etc/modsecurity.d/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "718"] [id "920350"] [rev ""] [msg "Host header is a numeric IP address"] [redacted] [severity "4"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/210/272"] [tag "PCI/6.5.10"] [redacted] [uri "/"] [unique_id "160173253382.620386"] [ref "o0,15v21,15"], client: 92.118.161.45, [redacted] request: "GET / HTTP/1.1" [redacted]
2020-10-03 22:41:06
49.234.131.75 attackspam
Invalid user angela from 49.234.131.75 port 52590
2020-10-03 22:47:19
192.35.169.31 attackbotsspam
Unauthorized connection attempt from IP address 192.35.169.31 on Port 3306(MYSQL)
2020-10-03 22:37:14
192.35.169.33 attackbots
 TCP (SYN) 192.35.169.33:11108 -> port 3306, len 44
2020-10-03 22:54:37

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