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:
Type Details Datetime
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
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.2
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36624
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.2.			IN	A

;; AUTHORITY SECTION:
.			163	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 21 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:19:23 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 2.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 2.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.241.215.134 attackspambots
scan z
2020-02-23 04:41:16
46.27.140.1 attack
Feb 22 21:00:24 MK-Soft-Root2 sshd[23068]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.27.140.1 
Feb 22 21:00:25 MK-Soft-Root2 sshd[23068]: Failed password for invalid user cactiuser from 46.27.140.1 port 34560 ssh2
...
2020-02-23 04:47:27
192.241.220.219 attackbotsspam
ssh brute force
2020-02-23 04:29:55
125.43.68.155 attackbotsspam
ssh brute force
2020-02-23 04:38:43
185.53.88.119 attackspambots
[2020-02-22 14:51:03] NOTICE[1148] chan_sip.c: Registration from '"142" ' failed for '185.53.88.119:5409' - Wrong password
[2020-02-22 14:51:03] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-22T14:51:03.890-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="142",SessionID="0x7fd82cb725a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.119/5409",Challenge="6d37b9f1",ReceivedChallenge="6d37b9f1",ReceivedHash="01f34e2d03d114aa9ea3abb51f750f06"
[2020-02-22 14:51:03] NOTICE[1148] chan_sip.c: Registration from '"142" ' failed for '185.53.88.119:5409' - Wrong password
[2020-02-22 14:51:03] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-22T14:51:03.992-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="142",SessionID="0x7fd82c7af4d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.8
...
2020-02-23 04:33:31
118.25.74.199 attack
suspicious action Sat, 22 Feb 2020 13:46:19 -0300
2020-02-23 04:45:47
162.243.134.64 attackspam
ssh brute force
2020-02-23 04:21:53
162.243.131.97 attackbotsspam
scan z
2020-02-23 04:22:59
113.161.86.231 attackspam
Automatic report - Port Scan Attack
2020-02-23 04:34:43
31.199.193.162 attackspambots
Feb 21 21:06:10 host sshd[26610]: Invalid user law from 31.199.193.162
Feb 21 21:06:10 host sshd[26610]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.199.193.162
Feb 21 21:06:12 host sshd[26610]: Failed password for invalid user law from 31.199.193.162 port 53285 ssh2
Feb 21 21:23:10 host sshd[23369]: Invalid user admin from 31.199.193.162
Feb 21 21:23:10 host sshd[23369]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.199.193.162

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=31.199.193.162
2020-02-23 04:55:53
78.128.112.26 attackbots
Unauthorized connection attempt detected from IP address 78.128.112.26 to port 5900
2020-02-23 04:39:02
145.255.31.75 attackspambots
ssh brute force
2020-02-23 04:23:18
49.233.81.224 attack
Invalid user remote from 49.233.81.224 port 35610
2020-02-23 04:48:58
158.69.70.163 attackspam
Received disconnect
2020-02-23 04:32:24
69.229.6.8 attackbots
Feb 22 21:42:10 legacy sshd[24052]: Failed password for root from 69.229.6.8 port 56414 ssh2
Feb 22 21:47:28 legacy sshd[24129]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.229.6.8
Feb 22 21:47:30 legacy sshd[24129]: Failed password for invalid user informix from 69.229.6.8 port 55532 ssh2
...
2020-02-23 04:50:42

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