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:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.30.166
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44960
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.30.166.			IN	A

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

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 20:26:04 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 166.30.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 166.30.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
80.139.81.239 attack
Sep 15 21:56:26 sshgateway sshd\[627\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=p508b51ef.dip0.t-ipconnect.de  user=root
Sep 15 21:56:29 sshgateway sshd\[627\]: Failed password for root from 80.139.81.239 port 58632 ssh2
Sep 15 22:05:04 sshgateway sshd\[716\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=p508b51ef.dip0.t-ipconnect.de  user=root
2020-09-16 04:14:19
113.23.5.104 attack
Unauthorized connection attempt from IP address 113.23.5.104 on Port 445(SMB)
2020-09-16 04:27:43
67.211.208.83 attackspam
2020-09-15T15:24:36.091052server.mjenks.net sshd[1371355]: Failed password for root from 67.211.208.83 port 53008 ssh2
2020-09-15T15:27:32.877337server.mjenks.net sshd[1371717]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.211.208.83  user=root
2020-09-15T15:27:34.512555server.mjenks.net sshd[1371717]: Failed password for root from 67.211.208.83 port 49074 ssh2
2020-09-15T15:30:27.292067server.mjenks.net sshd[1372088]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.211.208.83  user=root
2020-09-15T15:30:28.952536server.mjenks.net sshd[1372088]: Failed password for root from 67.211.208.83 port 45138 ssh2
...
2020-09-16 04:37:03
77.37.203.230 attackspambots
Sep 15 14:01:35 ws22vmsma01 sshd[16234]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.37.203.230
...
2020-09-16 04:23:28
162.156.132.200 attackspambots
Unauthorised access (Sep 15) SRC=162.156.132.200 LEN=44 TTL=48 ID=12182 TCP DPT=23 WINDOW=39496 SYN
2020-09-16 04:32:36
216.164.167.109 attack
Icarus honeypot on github
2020-09-16 04:36:11
111.229.226.212 attackspambots
SSH Brute-Force attacks
2020-09-16 04:16:20
122.51.62.212 attackspambots
Sep 15 20:13:41 vlre-nyc-1 sshd\[26836\]: Invalid user choopa from 122.51.62.212
Sep 15 20:13:41 vlre-nyc-1 sshd\[26836\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.62.212
Sep 15 20:13:43 vlre-nyc-1 sshd\[26836\]: Failed password for invalid user choopa from 122.51.62.212 port 56114 ssh2
Sep 15 20:19:55 vlre-nyc-1 sshd\[27021\]: Invalid user linux from 122.51.62.212
Sep 15 20:19:55 vlre-nyc-1 sshd\[27021\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.62.212
...
2020-09-16 04:42:43
78.85.223.110 attack
Sep 15 17:01:39 ssh2 sshd[61908]: Invalid user admin from 78.85.223.110 port 43632
Sep 15 17:01:39 ssh2 sshd[61908]: Failed password for invalid user admin from 78.85.223.110 port 43632 ssh2
Sep 15 17:01:40 ssh2 sshd[61908]: Connection closed by invalid user admin 78.85.223.110 port 43632 [preauth]
...
2020-09-16 04:15:08
206.189.140.139 attack
2020-09-15T13:11:20.621967linuxbox-skyline sshd[78741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.140.139  user=root
2020-09-15T13:11:21.932682linuxbox-skyline sshd[78741]: Failed password for root from 206.189.140.139 port 46422 ssh2
...
2020-09-16 04:27:15
14.189.179.201 attackbotsspam
Unauthorized connection attempt from IP address 14.189.179.201 on Port 445(SMB)
2020-09-16 04:46:04
61.177.79.186 attack
Sep 15 17:01:35 ssh2 sshd[61888]: User root from 61.177.79.186 not allowed because not listed in AllowUsers
Sep 15 17:01:35 ssh2 sshd[61888]: Failed password for invalid user root from 61.177.79.186 port 51308 ssh2
Sep 15 17:01:35 ssh2 sshd[61888]: Connection closed by invalid user root 61.177.79.186 port 51308 [preauth]
...
2020-09-16 04:28:41
106.54.111.75 attack
Time:     Tue Sep 15 19:03:35 2020 +0200
IP:       106.54.111.75 (CN/China/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep 15 18:48:32 mail-03 sshd[27553]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.111.75  user=root
Sep 15 18:48:34 mail-03 sshd[27553]: Failed password for root from 106.54.111.75 port 42548 ssh2
Sep 15 18:59:05 mail-03 sshd[27799]: Invalid user freedom1 from 106.54.111.75 port 37564
Sep 15 18:59:07 mail-03 sshd[27799]: Failed password for invalid user freedom1 from 106.54.111.75 port 37564 ssh2
Sep 15 19:03:31 mail-03 sshd[27890]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.111.75  user=root
2020-09-16 04:20:43
122.51.95.90 attack
Sep 15 19:53:16 vps647732 sshd[22408]: Failed password for root from 122.51.95.90 port 54988 ssh2
...
2020-09-16 04:14:44
123.16.130.87 attack
Unauthorized connection attempt from IP address 123.16.130.87 on Port 445(SMB)
2020-09-16 04:35:32

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