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: IANA Special-Purpose Address

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 <<>> 100.66.221.13
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64638
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;100.66.221.13.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021000 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 10 14:58:31 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 13.221.66.100.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 13.221.66.100.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
52.230.1.232 attackspam
fail2ban
2020-04-02 03:30:29
95.110.154.101 attack
Apr  1 18:30:55 srv206 sshd[12001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.110.154.101  user=root
Apr  1 18:30:57 srv206 sshd[12001]: Failed password for root from 95.110.154.101 port 55314 ssh2
...
2020-04-02 03:44:45
54.39.138.249 attack
fail2ban
2020-04-02 03:12:50
41.131.119.107 attackbotsspam
Apr  1 20:59:43 ks10 sshd[1963578]: Failed password for root from 41.131.119.107 port 59667 ssh2
...
2020-04-02 03:15:09
193.255.94.104 attackbots
Unauthorized connection attempt detected from IP address 193.255.94.104 to port 445
2020-04-02 03:39:49
209.97.164.72 attackspam
Hits on port : 22
2020-04-02 03:15:40
118.39.154.131 attackbots
Time:     Wed Apr  1 07:13:53 2020 -0300
IP:       118.39.154.131 (KR/South Korea/-)
Failures: 20 (WordPressBruteForcePOST)
Interval: 3600 seconds
Blocked:  Permanent Block
2020-04-02 03:08:42
116.98.42.86 attackspam
Unauthorized connection attempt from IP address 116.98.42.86 on Port 445(SMB)
2020-04-02 03:13:40
109.168.34.213 attackspam
firewall-block, port(s): 23/tcp
2020-04-02 03:04:15
51.75.134.211 attack
fail2ban
2020-04-02 03:29:49
121.229.2.190 attackbots
Apr  1 17:31:05 localhost sshd\[6433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.229.2.190  user=root
Apr  1 17:31:07 localhost sshd\[6433\]: Failed password for root from 121.229.2.190 port 52186 ssh2
Apr  1 17:39:20 localhost sshd\[6607\]: Invalid user admin from 121.229.2.190 port 54022
...
2020-04-02 03:29:11
128.199.150.228 attack
'Fail2Ban'
2020-04-02 03:32:03
114.67.112.231 attackbotsspam
Apr  1 02:44:07 web9 sshd\[28810\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.112.231  user=root
Apr  1 02:44:09 web9 sshd\[28810\]: Failed password for root from 114.67.112.231 port 58784 ssh2
Apr  1 02:48:48 web9 sshd\[29432\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.112.231  user=root
Apr  1 02:48:51 web9 sshd\[29432\]: Failed password for root from 114.67.112.231 port 58798 ssh2
Apr  1 02:53:49 web9 sshd\[30075\]: Invalid user couchdb from 114.67.112.231
2020-04-02 03:27:22
45.184.24.5 attack
$f2bV_matches
2020-04-02 03:04:42
128.199.168.248 attackspam
Apr  2 00:53:51 itv-usvr-01 sshd[6580]: Invalid user nx from 128.199.168.248
Apr  2 00:53:51 itv-usvr-01 sshd[6580]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.168.248
Apr  2 00:53:51 itv-usvr-01 sshd[6580]: Invalid user nx from 128.199.168.248
Apr  2 00:53:52 itv-usvr-01 sshd[6580]: Failed password for invalid user nx from 128.199.168.248 port 53338 ssh2
Apr  2 01:03:17 itv-usvr-01 sshd[6987]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.168.248  user=root
Apr  2 01:03:19 itv-usvr-01 sshd[6987]: Failed password for root from 128.199.168.248 port 52558 ssh2
2020-04-02 03:12:24

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