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
5.63.151.123 attackbotsspam
trying to access non-authorized port
2020-07-01 16:21:00
212.64.80.169 attackspambots
Icarus honeypot on github
2020-07-01 16:19:17
192.241.224.53 attackspambots
135/tcp 2000/tcp 8081/tcp...
[2020-06-24/29]4pkt,4pt.(tcp)
2020-07-01 16:28:07
181.168.137.94 attack
Zyxel NAS devices command injection attempt
Source IP address: 181.168.137.94 (94-137-168-181.fibertel.com.ar)
2020-07-01 16:05:06
189.12.72.118 attackspambots
unauthorized connection attempt
2020-07-01 16:29:07
218.203.227.160 attackspambots
Unauthorized connection attempt detected from IP address 218.203.227.160 to port 3389
2020-07-01 16:46:58
103.49.153.40 attackspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-07-01 16:00:13
106.52.135.88 attack
Jun 30 16:27:51 roki sshd[25933]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.135.88  user=root
Jun 30 16:27:54 roki sshd[25933]: Failed password for root from 106.52.135.88 port 43942 ssh2
Jun 30 16:30:40 roki sshd[26141]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.135.88  user=root
Jun 30 16:30:42 roki sshd[26141]: Failed password for root from 106.52.135.88 port 41726 ssh2
Jun 30 16:33:12 roki sshd[26318]: Invalid user csgoserver from 106.52.135.88
Jun 30 16:33:12 roki sshd[26318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.135.88
...
2020-07-01 16:02:32
42.115.11.68 attackbots
400 BAD REQUEST
2020-07-01 16:27:20
106.12.21.124 attackspam
unauthorized connection attempt
2020-07-01 16:15:38
139.59.45.45 attackbotsspam
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-07-01 16:05:59
116.255.139.236 attack
Jun 30 16:16:10 *** sshd[1614]: User backup from 116.255.139.236 not allowed because not listed in AllowUsers
2020-07-01 16:35:55
54.36.163.141 attack
2020-06-30T20:05:56.956353+02:00  sshd[7486]: Failed password for root from 54.36.163.141 port 44634 ssh2
2020-07-01 16:16:38
49.233.212.154 attackspambots
$f2bV_matches
2020-07-01 15:57:25
119.57.162.18 attackspam
Jun 30 18:57:30 django-0 sshd[22870]: Invalid user student from 119.57.162.18
...
2020-07-01 16:24:37

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