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: China

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 <<>> 121.31.99.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7745
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;121.31.99.20.			IN	A

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019072101 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Mon Jul 22 04:51:00 CST 2019
;; MSG SIZE  rcvd: 116
Host info
Host 20.99.31.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 20.99.31.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.232.95.250 attackspambots
Jun  3 22:42:22 eventyay sshd[29174]: Failed password for root from 49.232.95.250 port 45674 ssh2
Jun  3 22:45:05 eventyay sshd[29263]: Failed password for root from 49.232.95.250 port 33004 ssh2
...
2020-06-04 05:29:00
37.49.226.62 attack
2020-06-03T23:47:43.754198afi-git.jinr.ru sshd[24758]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.62 user=admin
2020-06-03T23:47:45.923892afi-git.jinr.ru sshd[24758]: Failed password for admin from 37.49.226.62 port 43158 ssh2
2020-06-03T23:48:27.556388afi-git.jinr.ru sshd[25019]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.62  user=root
2020-06-03T23:48:30.102159afi-git.jinr.ru sshd[25019]: Failed password for root from 37.49.226.62 port 48778 ssh2
2020-06-03T23:49:09.591183afi-git.jinr.ru sshd[25127]: Invalid user oracle from 37.49.226.62 port 54368
...
2020-06-04 05:26:18
165.22.114.208 attackspam
165.22.114.208 - - [03/Jun/2020:21:15:06 +0100] "POST /wp-login.php HTTP/1.1" 200 1930 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.22.114.208 - - [03/Jun/2020:21:15:07 +0100] "POST /wp-login.php HTTP/1.1" 200 1860 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.22.114.208 - - [03/Jun/2020:21:15:07 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-06-04 05:21:11
106.13.19.178 attackspam
2020-06-03 15:11:47.747579-0500  localhost sshd[27499]: Failed password for root from 106.13.19.178 port 54572 ssh2
2020-06-04 05:15:58
191.31.84.89 attack
Honeypot attack, port: 445, PTR: 191.31.84.89.dynamic.adsl.gvt.net.br.
2020-06-04 05:06:07
74.87.157.78 attackspam
Honeypot attack, port: 81, PTR: rrcs-74-87-157-78.west.biz.rr.com.
2020-06-04 05:37:39
157.230.251.115 attackspam
Jun  3 20:11:07 ip-172-31-61-156 sshd[15068]: Failed password for root from 157.230.251.115 port 47630 ssh2
Jun  3 20:14:58 ip-172-31-61-156 sshd[15268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.251.115  user=root
Jun  3 20:14:59 ip-172-31-61-156 sshd[15268]: Failed password for root from 157.230.251.115 port 52920 ssh2
Jun  3 20:14:58 ip-172-31-61-156 sshd[15268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.251.115  user=root
Jun  3 20:14:59 ip-172-31-61-156 sshd[15268]: Failed password for root from 157.230.251.115 port 52920 ssh2
...
2020-06-04 05:34:46
201.248.216.47 attack
Honeypot attack, port: 445, PTR: 201-248-216-47.dyn.dsl.cantv.net.
2020-06-04 05:23:45
184.154.47.4 attackbotsspam
Port Scan detected!
...
2020-06-04 05:37:53
18.230.13.131 attack
WordPress brute force
2020-06-04 05:18:57
178.62.50.210 attack
Automatic report - XMLRPC Attack
2020-06-04 05:27:58
47.56.154.54 attack
WordPress brute force
2020-06-04 05:12:40
212.95.137.164 attack
Jun  3 20:14:53 *** sshd[18621]: User root from 212.95.137.164 not allowed because not listed in AllowUsers
2020-06-04 05:39:41
62.138.3.134 attackspam
xmlrpc attack
2020-06-04 05:09:40
218.60.41.227 attackspam
$f2bV_matches
2020-06-04 05:07:35

Recently Reported IPs

174.141.54.128 161.164.136.168 119.88.90.44 191.242.223.246
56.77.44.10 170.208.51.17 250.245.21.164 2a01:598:a087:d2f:30d1:83d4:b2cd:81d5
113.194.204.12 133.99.211.145 123.201.95.121 233.202.221.168
127.21.4.151 103.112.19.5 241.18.143.82 27.28.174.81
45.178.1.5 213.241.197.166 191.240.89.84 154.183.218.65