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 <<>> 104.21.21.173
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26842
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.173.			IN	A

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

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:33:09 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 173.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 173.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.242.13.70 attackbotsspam
Invalid user pyke from 103.242.13.70 port 42668
2019-12-21 14:03:24
222.186.173.154 attack
Dec 21 07:22:06 MainVPS sshd[14572]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
Dec 21 07:22:08 MainVPS sshd[14572]: Failed password for root from 222.186.173.154 port 65454 ssh2
Dec 21 07:22:20 MainVPS sshd[14572]: Failed password for root from 222.186.173.154 port 65454 ssh2
Dec 21 07:22:06 MainVPS sshd[14572]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
Dec 21 07:22:08 MainVPS sshd[14572]: Failed password for root from 222.186.173.154 port 65454 ssh2
Dec 21 07:22:20 MainVPS sshd[14572]: Failed password for root from 222.186.173.154 port 65454 ssh2
Dec 21 07:22:06 MainVPS sshd[14572]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
Dec 21 07:22:08 MainVPS sshd[14572]: Failed password for root from 222.186.173.154 port 65454 ssh2
Dec 21 07:22:20 MainVPS sshd[14572]: Failed password for root from 222.18
2019-12-21 14:23:10
96.1.72.4 attackspambots
Dec 21 07:39:16 pkdns2 sshd\[30171\]: Invalid user ftp from 96.1.72.4Dec 21 07:39:18 pkdns2 sshd\[30171\]: Failed password for invalid user ftp from 96.1.72.4 port 52320 ssh2Dec 21 07:43:02 pkdns2 sshd\[30374\]: Invalid user userftp from 96.1.72.4Dec 21 07:43:04 pkdns2 sshd\[30374\]: Failed password for invalid user userftp from 96.1.72.4 port 59032 ssh2Dec 21 07:46:40 pkdns2 sshd\[30644\]: Invalid user jennyd from 96.1.72.4Dec 21 07:46:42 pkdns2 sshd\[30644\]: Failed password for invalid user jennyd from 96.1.72.4 port 37530 ssh2
...
2019-12-21 13:49:01
92.222.83.143 attackspambots
Dec 20 19:42:40 hpm sshd\[7361\]: Invalid user ftp from 92.222.83.143
Dec 20 19:42:40 hpm sshd\[7361\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=143.ip-92-222-83.eu
Dec 20 19:42:43 hpm sshd\[7361\]: Failed password for invalid user ftp from 92.222.83.143 port 34726 ssh2
Dec 20 19:48:11 hpm sshd\[7852\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=143.ip-92-222-83.eu  user=www-data
Dec 20 19:48:13 hpm sshd\[7852\]: Failed password for www-data from 92.222.83.143 port 41296 ssh2
2019-12-21 13:58:57
222.186.169.192 attackbots
Dec 21 00:27:07 ny01 sshd[20404]: Failed password for root from 222.186.169.192 port 44354 ssh2
Dec 21 00:27:20 ny01 sshd[20404]: error: maximum authentication attempts exceeded for root from 222.186.169.192 port 44354 ssh2 [preauth]
Dec 21 00:27:28 ny01 sshd[20436]: Failed password for root from 222.186.169.192 port 65398 ssh2
2019-12-21 13:47:56
218.4.163.146 attackbots
2019-12-21T05:58:52.373891shield sshd\[6877\]: Invalid user test from 218.4.163.146 port 41583
2019-12-21T05:58:52.378413shield sshd\[6877\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.4.163.146
2019-12-21T05:58:54.289554shield sshd\[6877\]: Failed password for invalid user test from 218.4.163.146 port 41583 ssh2
2019-12-21T06:04:20.083107shield sshd\[8924\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.4.163.146  user=root
2019-12-21T06:04:22.355741shield sshd\[8924\]: Failed password for root from 218.4.163.146 port 37413 ssh2
2019-12-21 14:18:43
117.117.165.131 attackspam
$f2bV_matches
2019-12-21 13:52:44
185.175.93.17 attack
12/21/2019-00:48:41.026350 185.175.93.17 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-12-21 13:49:39
146.88.240.4 attackbots
Dec 21 06:50:52 debian-2gb-nbg1-2 kernel: \[560211.127143\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=146.88.240.4 DST=195.201.40.59 LEN=29 TOS=0x00 PREC=0x00 TTL=240 ID=54321 PROTO=UDP SPT=42255 DPT=19 LEN=9
2019-12-21 13:59:16
65.52.169.39 attackbotsspam
Dec 21 06:46:37 localhost sshd\[24438\]: Invalid user hum from 65.52.169.39 port 39656
Dec 21 06:46:37 localhost sshd\[24438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.52.169.39
Dec 21 06:46:39 localhost sshd\[24438\]: Failed password for invalid user hum from 65.52.169.39 port 39656 ssh2
2019-12-21 13:53:15
91.23.33.175 attackbots
Dec 21 07:00:17 eventyay sshd[27302]: Failed password for root from 91.23.33.175 port 53777 ssh2
Dec 21 07:06:00 eventyay sshd[27477]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.23.33.175
Dec 21 07:06:02 eventyay sshd[27477]: Failed password for invalid user test from 91.23.33.175 port 3274 ssh2
...
2019-12-21 14:21:21
51.89.68.141 attackbots
Dec 21 06:07:44 zeus sshd[22845]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.68.141 
Dec 21 06:07:45 zeus sshd[22845]: Failed password for invalid user sentry from 51.89.68.141 port 47314 ssh2
Dec 21 06:12:40 zeus sshd[23030]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.68.141 
Dec 21 06:12:43 zeus sshd[23030]: Failed password for invalid user keppler from 51.89.68.141 port 52368 ssh2
2019-12-21 14:28:12
222.186.175.151 attack
Dec 21 06:57:27 tux-35-217 sshd\[3818\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.151  user=root
Dec 21 06:57:29 tux-35-217 sshd\[3818\]: Failed password for root from 222.186.175.151 port 59684 ssh2
Dec 21 06:57:33 tux-35-217 sshd\[3818\]: Failed password for root from 222.186.175.151 port 59684 ssh2
Dec 21 06:57:36 tux-35-217 sshd\[3818\]: Failed password for root from 222.186.175.151 port 59684 ssh2
...
2019-12-21 13:58:05
142.4.208.165 attackbotsspam
Dec 21 06:05:34 game-panel sshd[2606]: Failed password for root from 142.4.208.165 port 53710 ssh2
Dec 21 06:11:22 game-panel sshd[2895]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.4.208.165
Dec 21 06:11:24 game-panel sshd[2895]: Failed password for invalid user lea from 142.4.208.165 port 37744 ssh2
2019-12-21 14:22:12
106.54.198.115 attack
Invalid user sj from 106.54.198.115 port 40504
2019-12-21 14:06:20

Recently Reported IPs

104.21.21.150 104.21.21.166 104.21.21.183 104.21.21.163
128.1.164.230 104.21.21.187 104.21.21.195 104.21.21.191
104.21.21.193 104.21.21.158 104.21.21.204 104.21.21.3
104.21.21.201 104.21.21.35 104.21.21.251 104.21.21.80
104.21.21.83 104.21.21.70 104.21.21.76 104.21.22.101