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:
IP Type Details Datetime
104.21.75.2 spam
Spammer blacklist in https://www.projecthoneypot.org/ip_104.21.75.2 https://multirbl.valli.org/lookup/104.21.75.2.html
2022-12-29 00:00:44
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.243
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23439
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.243.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 27 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:54:30 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 243.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 243.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
81.12.94.122 attackbotsspam
Unauthorized connection attempt detected from IP address 81.12.94.122 to port 445
2020-04-02 00:15:11
36.76.214.208 attackspam
Unauthorized connection attempt from IP address 36.76.214.208 on Port 445(SMB)
2020-04-02 00:10:17
139.59.2.184 attack
SSH bruteforce (Triggered fail2ban)
2020-04-02 00:25:53
114.119.166.115 attack
[Wed Apr 01 22:18:12.229161 2020] [:error] [pid 23755:tid 140085855524608] [client 114.119.166.115:53636] [client 114.119.166.115] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/index.php/prakiraan-iklim/agroklimatologi/kalender-tanam/3079-kalender-tanam-katam-terpadu-pulau-sulawesi/kalender-tanam-katam-terpadu-provinsi-sulawesi-barat/kalender-tanam-katam-terpadu-kabupaten-polewali-mandar-provinsi-sulawesi-barat/kalender-tana
...
2020-04-02 00:08:16
49.235.76.84 attackbots
SSH/22 MH Probe, BF, Hack -
2020-04-02 00:26:49
72.167.190.49 attackspambots
Wordpress_xmlrpc_attack
2020-04-02 00:13:53
42.200.66.164 attack
Apr  1 12:45:06 web8 sshd\[23351\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.200.66.164  user=root
Apr  1 12:45:07 web8 sshd\[23351\]: Failed password for root from 42.200.66.164 port 53130 ssh2
Apr  1 12:49:25 web8 sshd\[25513\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.200.66.164  user=root
Apr  1 12:49:27 web8 sshd\[25513\]: Failed password for root from 42.200.66.164 port 60734 ssh2
Apr  1 12:54:13 web8 sshd\[28112\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.200.66.164  user=root
2020-04-02 00:07:04
122.51.82.162 attackbots
Apr  1 09:21:55 ws19vmsma01 sshd[84820]: Failed password for root from 122.51.82.162 port 43216 ssh2
...
2020-04-02 00:03:04
153.246.16.157 attackspam
fail2ban -- 153.246.16.157
...
2020-04-01 23:55:03
111.229.167.10 attack
Apr  1 17:32:58 DAAP sshd[20512]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.167.10  user=root
Apr  1 17:33:00 DAAP sshd[20512]: Failed password for root from 111.229.167.10 port 59638 ssh2
Apr  1 17:34:09 DAAP sshd[20528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.167.10  user=root
Apr  1 17:34:10 DAAP sshd[20528]: Failed password for root from 111.229.167.10 port 42504 ssh2
Apr  1 17:34:46 DAAP sshd[20538]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.167.10  user=root
Apr  1 17:34:48 DAAP sshd[20538]: Failed password for root from 111.229.167.10 port 47870 ssh2
...
2020-04-02 00:07:27
180.180.134.184 attack
Automatic report - Port Scan Attack
2020-04-02 00:36:46
185.202.1.240 attack
Apr  1 07:56:12 debian sshd[2435]: Unable to negotiate with 185.202.1.240 port 33314: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
Apr  1 11:54:11 debian sshd[15875]: Unable to negotiate with 185.202.1.240 port 29497: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
...
2020-04-01 23:57:38
91.90.13.91 attack
Unauthorized connection attempt from IP address 91.90.13.91 on Port 445(SMB)
2020-04-02 00:41:14
49.235.135.230 attackspambots
2020-04-01 08:09:45 server sshd[53202]: Failed password for invalid user root from 49.235.135.230 port 35662 ssh2
2020-04-02 00:16:08
106.54.50.232 attackspambots
2020-04-01T15:37:26.672738shield sshd\[16005\]: Invalid user re from 106.54.50.232 port 46490
2020-04-01T15:37:26.676414shield sshd\[16005\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.50.232
2020-04-01T15:37:28.496996shield sshd\[16005\]: Failed password for invalid user re from 106.54.50.232 port 46490 ssh2
2020-04-01T15:41:53.258759shield sshd\[16782\]: Invalid user hate from 106.54.50.232 port 33782
2020-04-01T15:41:53.262309shield sshd\[16782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.50.232
2020-04-01 23:53:58

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