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 <<>> 104.21.31.209
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43626
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.31.209.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 20:35:35 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 209.31.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 209.31.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
165.227.186.227 attackspam
Tried sshing with brute force.
2019-12-28 23:25:44
187.22.88.86 attackspambots
Unauthorized connection attempt detected from IP address 187.22.88.86 to port 445
2019-12-28 23:53:53
60.241.15.166 attackspam
Dec 28 15:29:42  exim[14969]: [1\56] 1ilD64-0003tR-Dc H=60-241-15-166.tpgi.com.au [60.241.15.166] F= rejected after DATA: This message scored 19.7 spam points.
2019-12-28 23:34:18
190.17.208.123 attack
Dec 28 15:29:02 hell sshd[23610]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.17.208.123
Dec 28 15:29:05 hell sshd[23610]: Failed password for invalid user eluned from 190.17.208.123 port 52344 ssh2
...
2019-12-29 00:05:39
36.153.231.18 attackbots
$f2bV_matches
2019-12-28 23:25:01
31.210.211.114 attack
Dec 28 10:33:52 plusreed sshd[11758]: Invalid user admin9999 from 31.210.211.114
...
2019-12-28 23:43:35
45.136.108.115 attackbots
SMTP:25. Incomplete TCP connect x 2. Probable port
probe. IP blocked.
2019-12-28 23:36:31
200.178.4.103 attackbotsspam
Unauthorized connection attempt from IP address 200.178.4.103 on Port 445(SMB)
2019-12-28 23:23:29
222.186.175.140 attackbots
SSH bruteforce (Triggered fail2ban)
2019-12-28 23:47:55
177.74.112.154 attackspambots
177.74.112.154 - - [28/Dec/2019:09:29:08 -0500] "GET /?page=..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd%00&action=view& HTTP/1.1" 200 17546 "https://ccbrass.com/?page=..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd%00&action=view&" "Mozilla/5.0 (Windows NT 10.0; WOW64; Rv:50.0) Gecko/20100101 Firefox/50.0"
...
2019-12-29 00:05:06
94.28.101.166 attack
IP blocked
2019-12-28 23:29:41
71.6.233.232 attack
" "
2019-12-28 23:58:29
45.136.108.121 attackspambots
Dec 28 15:02:38 h2177944 kernel: \[740454.199371\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=45.136.108.121 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=28217 PROTO=TCP SPT=44858 DPT=3812 WINDOW=1024 RES=0x00 SYN URGP=0 
Dec 28 15:02:38 h2177944 kernel: \[740454.199386\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=45.136.108.121 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=28217 PROTO=TCP SPT=44858 DPT=3812 WINDOW=1024 RES=0x00 SYN URGP=0 
Dec 28 15:29:11 h2177944 kernel: \[742046.749575\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=45.136.108.121 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=19432 PROTO=TCP SPT=44858 DPT=3503 WINDOW=1024 RES=0x00 SYN URGP=0 
Dec 28 15:29:11 h2177944 kernel: \[742046.749591\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=45.136.108.121 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=19432 PROTO=TCP SPT=44858 DPT=3503 WINDOW=1024 RES=0x00 SYN URGP=0 
Dec 28 15:43:37 h2177944 kernel: \[742912.864472\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=45.136.108.121 DST=85.214.117.9
2019-12-28 23:32:26
35.183.60.188 attack
Automatic report - Banned IP Access
2019-12-28 23:47:02
41.228.12.149 attackspam
$f2bV_matches
2019-12-28 23:38:49

Recently Reported IPs

104.21.31.205 104.21.31.210 104.21.31.211 104.21.31.216
104.21.31.218 104.21.31.219 59.219.123.223 104.21.31.222
104.21.31.23 104.21.31.234 104.21.31.238 104.21.31.239
104.21.31.241 104.21.31.242 104.21.31.243 104.21.31.247
104.21.31.25 104.21.31.250 104.21.31.251 104.21.31.29