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 <<>> 104.21.21.153
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17354
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.153.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021801 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 03:29:22 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 153.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 153.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
23.94.162.139 attackbotsspam
0,62-03/03 [bc02/m44] PostRequest-Spammer scoring: zurich
2020-02-12 14:18:47
62.173.149.65 attackbotsspam
Feb 12 05:57:29 debian-2gb-nbg1-2 kernel: \[3742680.725582\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=62.173.149.65 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=19605 PROTO=TCP SPT=59155 DPT=8891 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-12 14:12:41
59.152.196.154 attackspambots
Feb 11 20:13:32 php1 sshd\[29544\]: Invalid user anonymous from 59.152.196.154
Feb 11 20:13:32 php1 sshd\[29544\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.152.196.154
Feb 11 20:13:34 php1 sshd\[29544\]: Failed password for invalid user anonymous from 59.152.196.154 port 42948 ssh2
Feb 11 20:15:31 php1 sshd\[29782\]: Invalid user todus from 59.152.196.154
Feb 11 20:15:31 php1 sshd\[29782\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.152.196.154
2020-02-12 15:01:22
182.72.89.142 attackbots
1581483439 - 02/12/2020 05:57:19 Host: 182.72.89.142/182.72.89.142 Port: 445 TCP Blocked
2020-02-12 14:17:36
195.154.92.15 attackspam
RDP Bruteforce
2020-02-12 14:08:54
113.167.246.79 attackspambots
1581483452 - 02/12/2020 05:57:32 Host: 113.167.246.79/113.167.246.79 Port: 445 TCP Blocked
2020-02-12 14:07:15
211.171.186.98 attack
Feb 11 19:42:04 auw2 sshd\[5268\]: Invalid user elvira from 211.171.186.98
Feb 11 19:42:04 auw2 sshd\[5268\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.171.186.98
Feb 11 19:42:06 auw2 sshd\[5268\]: Failed password for invalid user elvira from 211.171.186.98 port 44056 ssh2
Feb 11 19:45:16 auw2 sshd\[5557\]: Invalid user upload from 211.171.186.98
Feb 11 19:45:16 auw2 sshd\[5557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.171.186.98
2020-02-12 13:55:12
123.126.20.94 attackspam
Feb 11 19:36:40 auw2 sshd\[4637\]: Invalid user pom from 123.126.20.94
Feb 11 19:36:40 auw2 sshd\[4637\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.126.20.94
Feb 11 19:36:42 auw2 sshd\[4637\]: Failed password for invalid user pom from 123.126.20.94 port 36962 ssh2
Feb 11 19:42:09 auw2 sshd\[5279\]: Invalid user office from 123.126.20.94
Feb 11 19:42:09 auw2 sshd\[5279\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.126.20.94
2020-02-12 13:46:38
190.122.102.166 attack
Microsoft SQL Server User Authentication Brute Force Attempt, PTR: PTR record not found
2020-02-12 14:27:18
222.186.173.154 attack
Feb 12 06:37:17 vps691689 sshd[11273]: Failed password for root from 222.186.173.154 port 43964 ssh2
Feb 12 06:37:31 vps691689 sshd[11273]: error: maximum authentication attempts exceeded for root from 222.186.173.154 port 43964 ssh2 [preauth]
...
2020-02-12 13:46:01
222.82.156.139 attack
GPON Home Routers Remote Code Execution Vulnerability CVE 2018-10562, PTR: PTR record not found
2020-02-12 14:26:32
49.235.94.172 attackbots
Feb 12 07:08:50 MK-Soft-VM8 sshd[26518]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.94.172 
Feb 12 07:08:52 MK-Soft-VM8 sshd[26518]: Failed password for invalid user niu from 49.235.94.172 port 44120 ssh2
...
2020-02-12 14:22:03
141.8.80.172 attackbotsspam
Honeypot attack, port: 5555, PTR: c80-172.i11-5.onvol.net.
2020-02-12 13:51:25
58.187.68.88 attackbotsspam
Unauthorised access (Feb 12) SRC=58.187.68.88 LEN=40 TTL=44 ID=34152 TCP DPT=23 WINDOW=3254 SYN
2020-02-12 13:47:49
173.245.203.224 attack
[2020-02-12 00:42:10] NOTICE[1148] chan_sip.c: Registration from '' failed for '173.245.203.224:59859' - Wrong password
[2020-02-12 00:42:10] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-12T00:42:10.727-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7fd82c2348d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/173.245.203.224/59859",Challenge="34b0a446",ReceivedChallenge="34b0a446",ReceivedHash="b52208bd19ba54d49523d6cb4f493efd"
[2020-02-12 00:42:14] NOTICE[1148] chan_sip.c: Registration from '' failed for '173.245.203.224:63909' - Wrong password
[2020-02-12 00:42:14] SECURITY[1163] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-02-12T00:42:14.254-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="800",SessionID="0x7fd82c3c1c38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/173.245.203
...
2020-02-12 13:50:15

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