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: 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 <<>> 104.21.28.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43179
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.28.99.			IN	A

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

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:21:47 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 99.28.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 99.28.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
5.228.156.158 attackbots
Apr  7 06:45:17 www1 sshd\[21465\]: Failed password for root from 5.228.156.158 port 43789 ssh2Apr  7 06:45:36 www1 sshd\[21512\]: Failed password for root from 5.228.156.158 port 43804 ssh2Apr  7 06:45:58 www1 sshd\[21543\]: Failed password for root from 5.228.156.158 port 43823 ssh2Apr  7 06:46:00 www1 sshd\[21543\]: Failed password for root from 5.228.156.158 port 43823 ssh2Apr  7 06:46:02 www1 sshd\[21543\]: Failed password for root from 5.228.156.158 port 43823 ssh2Apr  7 06:46:09 www1 sshd\[21572\]: Invalid user admin from 5.228.156.158Apr  7 06:46:10 www1 sshd\[21572\]: Failed password for invalid user admin from 5.228.156.158 port 59970 ssh2
...
2020-04-07 20:08:47
36.74.2.56 attack
Unauthorized connection attempt from IP address 36.74.2.56 on Port 445(SMB)
2020-04-07 20:19:01
156.236.72.196 attackspam
Apr  7 07:07:03 legacy sshd[18244]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.236.72.196
Apr  7 07:07:05 legacy sshd[18244]: Failed password for invalid user haproxy from 156.236.72.196 port 36162 ssh2
Apr  7 07:11:21 legacy sshd[18369]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.236.72.196
...
2020-04-07 20:24:06
110.52.151.59 attackspambots
Automatic report - Port Scan
2020-04-07 20:25:44
180.168.141.246 attackbots
detected by Fail2Ban
2020-04-07 20:19:26
46.101.204.20 attack
Apr  7 11:33:33 xeon sshd[18824]: Failed password for root from 46.101.204.20 port 37038 ssh2
2020-04-07 20:04:32
106.13.117.101 attack
Apr  7 06:58:52 pve sshd[3445]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.117.101 
Apr  7 06:58:54 pve sshd[3445]: Failed password for invalid user gituser from 106.13.117.101 port 37800 ssh2
Apr  7 07:02:01 pve sshd[3922]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.117.101
2020-04-07 20:38:00
124.156.50.108 attack
inbound access attempt
2020-04-07 20:10:12
209.159.157.72 attackbotsspam
2020/04/07 14:10:22 [error] 17205#17205: *110790 open() "/srv/automx/instance/cgi-bin/ViewLog.asp" failed (2: No such file or directory), client: 209.159.157.72, server: autoconfig.tuxlinux.eu, request: "POST /cgi-bin/ViewLog.asp HTTP/1.1", host: "127.0.0.1"
...
2020-04-07 20:20:32
117.1.215.29 attackspam
Unauthorized connection attempt from IP address 117.1.215.29 on Port 445(SMB)
2020-04-07 20:29:56
87.251.74.19 attack
Apr  7 14:08:42 debian-2gb-nbg1-2 kernel: \[8520343.604194\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=87.251.74.19 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=64019 PROTO=TCP SPT=42428 DPT=50790 WINDOW=1024 RES=0x00 SYN URGP=0
2020-04-07 20:09:52
176.125.60.8 attack
Attempted connection to port 8080.
2020-04-07 20:36:40
42.84.37.109 attackbotsspam
SSH Authentication Attempts Exceeded
2020-04-07 20:31:08
171.5.217.57 attackbotsspam
1586231177 - 04/07/2020 05:46:17 Host: 171.5.217.57/171.5.217.57 Port: 445 TCP Blocked
2020-04-07 19:58:59
178.237.0.229 attackspam
Apr  7 18:54:40 webhost01 sshd[22068]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.237.0.229
Apr  7 18:54:42 webhost01 sshd[22068]: Failed password for invalid user ts3server2 from 178.237.0.229 port 46882 ssh2
...
2020-04-07 20:20:56

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