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: AT&T

Hostname: unknown

Organization: AT&T Services, Inc.

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 <<>> 75.21.4.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 630
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			2610	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019073101 1800 900 604800 86400

;; Query time: 0 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Thu Aug 01 01:57:59 CST 2019
;; MSG SIZE  rcvd: 114
Host info
99.4.21.75.in-addr.arpa domain name pointer adsl-75-21-4-99.dsl.mdldtx.sbcglobal.net.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
99.4.21.75.in-addr.arpa	name = adsl-75-21-4-99.dsl.mdldtx.sbcglobal.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
149.56.142.198 attackspambots
$f2bV_matches
2020-04-11 00:24:12
111.231.82.175 attackspam
k+ssh-bruteforce
2020-04-11 00:31:19
131.161.211.113 attackbotsspam
20/4/10@08:07:54: FAIL: Alarm-Network address from=131.161.211.113
...
2020-04-11 00:30:56
14.63.174.149 attack
$f2bV_matches
2020-04-11 00:15:46
121.200.55.37 attackspam
$f2bV_matches
2020-04-11 00:50:09
128.199.67.22 attackspam
Apr 10 15:30:23 124388 sshd[8324]: Invalid user hadoop from 128.199.67.22 port 52122
Apr 10 15:30:23 124388 sshd[8324]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.67.22
Apr 10 15:30:23 124388 sshd[8324]: Invalid user hadoop from 128.199.67.22 port 52122
Apr 10 15:30:25 124388 sshd[8324]: Failed password for invalid user hadoop from 128.199.67.22 port 52122 ssh2
Apr 10 15:34:30 124388 sshd[8349]: Invalid user admin from 128.199.67.22 port 32890
2020-04-11 00:29:46
45.184.225.2 attackspam
Apr 10 18:21:45 vps sshd[3828]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.184.225.2 
Apr 10 18:21:47 vps sshd[3828]: Failed password for invalid user si from 45.184.225.2 port 58230 ssh2
Apr 10 18:22:54 vps sshd[3891]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.184.225.2 
...
2020-04-11 00:27:32
79.124.62.254 attackspambots
Unauthorized connection attempt detected from IP address 79.124.62.254
2020-04-11 00:46:47
190.128.118.185 attack
Apr 10 18:12:59 cvbnet sshd[22612]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.128.118.185 
Apr 10 18:13:01 cvbnet sshd[22612]: Failed password for invalid user web from 190.128.118.185 port 54259 ssh2
...
2020-04-11 00:21:33
142.93.212.10 attack
Apr 10 18:23:21 legacy sshd[5816]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.212.10
Apr 10 18:23:23 legacy sshd[5816]: Failed password for invalid user jens from 142.93.212.10 port 42244 ssh2
Apr 10 18:27:49 legacy sshd[6001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.212.10
...
2020-04-11 00:38:24
87.101.72.81 attackspambots
Apr 10 12:07:35 marvibiene sshd[48427]: Invalid user sammy from 87.101.72.81 port 45837
Apr 10 12:07:35 marvibiene sshd[48427]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.101.72.81
Apr 10 12:07:35 marvibiene sshd[48427]: Invalid user sammy from 87.101.72.81 port 45837
Apr 10 12:07:37 marvibiene sshd[48427]: Failed password for invalid user sammy from 87.101.72.81 port 45837 ssh2
...
2020-04-11 00:46:31
157.51.227.214 attack
20/4/10@08:07:46: FAIL: Alarm-Network address from=157.51.227.214
...
2020-04-11 00:35:56
144.22.108.33 attackspam
Fail2Ban Ban Triggered (2)
2020-04-11 00:53:47
119.40.33.22 attackspambots
SSH Brute-Force reported by Fail2Ban
2020-04-11 00:24:37
154.70.134.71 attackspambots
Unauthorized connection attempt detected from IP address 154.70.134.71
2020-04-11 00:58:14

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