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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.30.106
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1490
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.30.106.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:36:05 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 106.30.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 106.30.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
180.179.48.101 attackspam
Feb  5 23:26:13 tuxlinux sshd[56018]: Invalid user vmi from 180.179.48.101 port 43011
Feb  5 23:26:13 tuxlinux sshd[56018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.179.48.101 
Feb  5 23:26:13 tuxlinux sshd[56018]: Invalid user vmi from 180.179.48.101 port 43011
Feb  5 23:26:13 tuxlinux sshd[56018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.179.48.101 
Feb  5 23:26:13 tuxlinux sshd[56018]: Invalid user vmi from 180.179.48.101 port 43011
Feb  5 23:26:13 tuxlinux sshd[56018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.179.48.101 
Feb  5 23:26:15 tuxlinux sshd[56018]: Failed password for invalid user vmi from 180.179.48.101 port 43011 ssh2
...
2020-02-06 06:49:54
197.51.229.44 attackspambots
firewall-block, port(s): 445/tcp
2020-02-06 07:02:15
213.34.208.90 attack
20/2/5@17:25:34: FAIL: Alarm-Network address from=213.34.208.90
...
2020-02-06 07:24:54
115.231.8.37 attackbotsspam
Feb  6 05:25:39 webhost01 sshd[20811]: Failed password for root from 115.231.8.37 port 1618 ssh2
...
2020-02-06 07:17:15
185.143.223.163 attack
Feb  5 23:25:55 relay postfix/smtpd\[17234\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[185.143.223.97\]\>
Feb  5 23:25:55 relay postfix/smtpd\[17234\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[185.143.223.97\]\>
Feb  5 23:25:55 relay postfix/smtpd\[17234\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[185.143.223.97\]\>
Feb  5 23:25:55 relay postfix/smtpd\[17234\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\
2020-02-06 07:05:06
193.77.154.238 attack
Feb  5 23:26:24 nextcloud sshd\[3368\]: Invalid user boxers from 193.77.154.238
Feb  5 23:26:24 nextcloud sshd\[3368\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.77.154.238
Feb  5 23:26:26 nextcloud sshd\[3368\]: Failed password for invalid user boxers from 193.77.154.238 port 41882 ssh2
2020-02-06 06:38:45
177.125.207.151 attackbots
Brute force attempt
2020-02-06 06:52:40
23.94.153.186 attackspambots
Feb  5 23:27:47 h2177944 kernel: \[4139755.538851\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=23.94.153.186 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=31783 PROTO=TCP SPT=56243 DPT=26816 WINDOW=1024 RES=0x00 SYN URGP=0 
Feb  5 23:27:47 h2177944 kernel: \[4139755.538866\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=23.94.153.186 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=31783 PROTO=TCP SPT=56243 DPT=26816 WINDOW=1024 RES=0x00 SYN URGP=0 
Feb  5 23:29:59 h2177944 kernel: \[4139887.726202\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=23.94.153.186 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=50352 PROTO=TCP SPT=56243 DPT=26300 WINDOW=1024 RES=0x00 SYN URGP=0 
Feb  5 23:29:59 h2177944 kernel: \[4139887.726217\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=23.94.153.186 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=50352 PROTO=TCP SPT=56243 DPT=26300 WINDOW=1024 RES=0x00 SYN URGP=0 
Feb  5 23:35:54 h2177944 kernel: \[4140242.522378\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=23.94.153.186 DST=85.214.1
2020-02-06 06:57:16
61.93.201.198 attackspam
Feb  6 00:06:44 cp sshd[28769]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.93.201.198
2020-02-06 07:11:48
145.239.91.88 attack
Feb  5 23:25:48 mout sshd[17182]: Invalid user pac from 145.239.91.88 port 47772
2020-02-06 07:08:36
61.250.146.12 attack
Unauthorized connection attempt detected from IP address 61.250.146.12 to port 2220 [J]
2020-02-06 07:03:44
51.38.99.123 attack
Feb  5 13:15:56 auw2 sshd\[12842\]: Invalid user ecf from 51.38.99.123
Feb  5 13:15:56 auw2 sshd\[12842\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.ip-51-38-99.eu
Feb  5 13:15:58 auw2 sshd\[12842\]: Failed password for invalid user ecf from 51.38.99.123 port 33626 ssh2
Feb  5 13:18:42 auw2 sshd\[13129\]: Invalid user unk from 51.38.99.123
Feb  5 13:18:42 auw2 sshd\[13129\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.ip-51-38-99.eu
2020-02-06 07:20:42
165.227.58.61 attackspambots
Feb  3 00:57:42 v2hgb sshd[12480]: Invalid user deb from 165.227.58.61 port 50408
Feb  3 00:57:42 v2hgb sshd[12480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.58.61 
Feb  3 00:57:44 v2hgb sshd[12480]: Failed password for invalid user deb from 165.227.58.61 port 50408 ssh2
Feb  3 00:57:46 v2hgb sshd[12480]: Received disconnect from 165.227.58.61 port 50408:11: Bye Bye [preauth]
Feb  3 00:57:46 v2hgb sshd[12480]: Disconnected from invalid user deb 165.227.58.61 port 50408 [preauth]
Feb  5 22:52:47 v2hgb sshd[17418]: Invalid user kqg from 165.227.58.61 port 57880
Feb  5 22:52:47 v2hgb sshd[17418]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.58.61 
Feb  5 22:52:50 v2hgb sshd[17418]: Failed password for invalid user kqg from 165.227.58.61 port 57880 ssh2
Feb  5 22:52:51 v2hgb sshd[17418]: Received disconnect from 165.227.58.61 port 57880:11: Bye Bye [preauth]
Feb  5 22:5........
-------------------------------
2020-02-06 07:05:23
103.115.120.250 attackspambots
Blocked for port scanning.
Time: Wed Feb 5. 10:29:37 2020 +0100
IP: 103.115.120.250 (CN/China/-)

Sample of block hits:
Feb 5 10:29:21 vserv kernel: [2341231.408253] Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=103.115.120.250 DST=[removed] LEN=44 TOS=0x00 PREC=0x00 TTL=237 ID=7519 PROTO=TCP SPT=59112 DPT=623 WINDOW=1024 RES=0x00 SYN URGP=0
Feb 5 10:29:22 vserv kernel: [2341232.352759] Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=103.115.120.250 DST=[removed] LEN=44 TOS=0x00 PREC=0x00 TTL=237 ID=55282 PROTO=TCP SPT=59112 DPT=49 WINDOW=1024 RES=0x00 SYN URGP=0
Feb 5 10:29:22 vserv kernel: [2341232.844129] Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=103.115.120.250 DST=[removed] LEN=44 TOS=0x00 PREC=0x00 TTL=237 ID=27949 PROTO=TCP SPT=59112 DPT=1025 WINDOW=1024 RES=0x00 SYN URGP=0
Feb 5 10:29:23 vserv kernel: [2341233.507304] Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC= SRC=103.115.120.250 DST=[removed] LEN=44 TOS=0x00 PREC=0x00 TTL=236 ID=22748 PROTO=TCP SPT=59112 DPT=7547 WINDOW=1024
2020-02-06 06:39:17
3.12.25.115 attackbots
Automatic report - XMLRPC Attack
2020-02-06 06:50:22

Recently Reported IPs

104.21.3.72 104.21.30.158 104.21.3.97 104.21.30.176
104.21.30.178 104.21.30.187 104.21.30.139 104.21.30.12
104.21.30.143 104.21.30.19 104.21.30.190 128.139.7.24
104.21.30.195 104.21.30.192 104.21.30.219 104.21.30.209
104.21.30.194 104.21.30.210 104.21.30.37 104.21.30.244