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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.9.172
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 5653
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.9.172.			IN	A

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

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:12:35 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 172.9.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 172.9.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
156.96.46.114 attackbotsspam
SASL broute force
2020-05-21 12:26:46
167.71.196.176 attackbots
May 21 06:12:39 vps sshd[667284]: Failed password for invalid user bgi from 167.71.196.176 port 55932 ssh2
May 21 06:15:52 vps sshd[684925]: Invalid user hfm from 167.71.196.176 port 47072
May 21 06:15:52 vps sshd[684925]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.196.176
May 21 06:15:54 vps sshd[684925]: Failed password for invalid user hfm from 167.71.196.176 port 47072 ssh2
May 21 06:19:06 vps sshd[697424]: Invalid user fgt from 167.71.196.176 port 38208
...
2020-05-21 12:20:34
148.70.133.175 attack
2020-05-21T04:20:23.811926server.espacesoutien.com sshd[27565]: Invalid user dw from 148.70.133.175 port 34716
2020-05-21T04:20:23.826205server.espacesoutien.com sshd[27565]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.133.175
2020-05-21T04:20:23.811926server.espacesoutien.com sshd[27565]: Invalid user dw from 148.70.133.175 port 34716
2020-05-21T04:20:25.581632server.espacesoutien.com sshd[27565]: Failed password for invalid user dw from 148.70.133.175 port 34716 ssh2
...
2020-05-21 12:28:32
115.231.158.146 attackbots
Attempts against Pop3/IMAP
2020-05-21 12:34:50
207.154.218.16 attack
May 21 06:22:50 vps687878 sshd\[24504\]: Failed password for invalid user fse from 207.154.218.16 port 56212 ssh2
May 21 06:27:12 vps687878 sshd\[25656\]: Invalid user cgh from 207.154.218.16 port 34594
May 21 06:27:12 vps687878 sshd\[25656\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.218.16
May 21 06:27:15 vps687878 sshd\[25656\]: Failed password for invalid user cgh from 207.154.218.16 port 34594 ssh2
May 21 06:31:40 vps687878 sshd\[26328\]: Invalid user ico from 207.154.218.16 port 41212
May 21 06:31:40 vps687878 sshd\[26328\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.218.16
...
2020-05-21 12:33:33
106.12.176.188 attackbotsspam
Invalid user awr from 106.12.176.188 port 43634
2020-05-21 12:38:43
101.251.219.100 attackspambots
May 21 05:44:23 server sshd[39907]: Failed password for invalid user wvp from 101.251.219.100 port 41570 ssh2
May 21 05:50:00 server sshd[44390]: Failed password for invalid user sju from 101.251.219.100 port 38868 ssh2
May 21 05:59:06 server sshd[51835]: Failed password for invalid user iew from 101.251.219.100 port 53070 ssh2
2020-05-21 12:31:10
111.10.43.244 attack
May 21 05:51:04 vps sshd[560549]: Failed password for invalid user xpl from 111.10.43.244 port 54161 ssh2
May 21 05:55:06 vps sshd[577529]: Invalid user haoliyang from 111.10.43.244 port 48479
May 21 05:55:06 vps sshd[577529]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.10.43.244
May 21 05:55:08 vps sshd[577529]: Failed password for invalid user haoliyang from 111.10.43.244 port 48479 ssh2
May 21 05:59:26 vps sshd[597006]: Invalid user jeg from 111.10.43.244 port 42795
...
2020-05-21 12:18:56
203.59.131.201 attack
May 21 05:58:54 ArkNodeAT sshd\[27332\]: Invalid user tba from 203.59.131.201
May 21 05:58:54 ArkNodeAT sshd\[27332\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.59.131.201
May 21 05:58:57 ArkNodeAT sshd\[27332\]: Failed password for invalid user tba from 203.59.131.201 port 41668 ssh2
2020-05-21 12:37:30
106.13.81.162 attackspam
May 21 06:24:29 buvik sshd[1859]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.81.162
May 21 06:24:30 buvik sshd[1859]: Failed password for invalid user yaf from 106.13.81.162 port 40176 ssh2
May 21 06:27:22 buvik sshd[2362]: Invalid user gad from 106.13.81.162
...
2020-05-21 12:53:14
14.232.152.129 attackbotsspam
Bruteforce detected by fail2ban
2020-05-21 12:43:31
37.255.233.80 attackbotsspam
May 20 23:59:30 lanister sshd[2405]: Failed password for invalid user pi from 37.255.233.80 port 55604 ssh2
May 20 23:59:28 lanister sshd[2404]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.255.233.80
May 20 23:59:28 lanister sshd[2404]: Invalid user pi from 37.255.233.80
May 20 23:59:30 lanister sshd[2404]: Failed password for invalid user pi from 37.255.233.80 port 55596 ssh2
2020-05-21 12:16:02
51.77.41.246 attack
2020-05-21T13:31:58.892403vivaldi2.tree2.info sshd[19263]: Invalid user ido from 51.77.41.246
2020-05-21T13:31:58.903632vivaldi2.tree2.info sshd[19263]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.41.246
2020-05-21T13:31:58.892403vivaldi2.tree2.info sshd[19263]: Invalid user ido from 51.77.41.246
2020-05-21T13:32:01.068415vivaldi2.tree2.info sshd[19263]: Failed password for invalid user ido from 51.77.41.246 port 50556 ssh2
2020-05-21T13:35:47.524762vivaldi2.tree2.info sshd[19461]: Invalid user rbp from 51.77.41.246
...
2020-05-21 12:47:20
95.243.136.198 attackspambots
May 21 06:36:40 plex sshd[26559]: Invalid user qow from 95.243.136.198 port 49922
May 21 06:36:42 plex sshd[26559]: Failed password for invalid user qow from 95.243.136.198 port 49922 ssh2
May 21 06:36:40 plex sshd[26559]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.243.136.198
May 21 06:36:40 plex sshd[26559]: Invalid user qow from 95.243.136.198 port 49922
May 21 06:36:42 plex sshd[26559]: Failed password for invalid user qow from 95.243.136.198 port 49922 ssh2
2020-05-21 12:39:12
94.102.51.31 attackbotsspam
05/20/2020-23:58:40.378623 94.102.51.31 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-05-21 12:50:43

Recently Reported IPs

104.21.9.163 104.21.9.18 104.21.9.178 104.21.9.180
104.21.9.189 104.21.9.184 104.21.9.191 104.21.9.183
104.21.9.188 104.21.9.190 104.21.9.182 104.21.9.196
104.21.9.192 104.21.9.186 104.21.9.20 104.21.9.198
104.21.9.201 104.21.9.197 104.21.9.205 104.21.9.2