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: None

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 <<>> 104.21.66.56
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57571
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.56.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:04:43 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 56.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 56.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
77.20.201.235 attackbotsspam
fire
2019-11-18 07:08:54
86.170.34.68 attackbots
fire
2019-11-18 06:50:14
222.186.180.41 attackbots
Nov 18 00:14:31 v22018076622670303 sshd\[18354\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.41  user=root
Nov 18 00:14:32 v22018076622670303 sshd\[18354\]: Failed password for root from 222.186.180.41 port 1632 ssh2
Nov 18 00:14:36 v22018076622670303 sshd\[18354\]: Failed password for root from 222.186.180.41 port 1632 ssh2
...
2019-11-18 07:15:09
81.22.45.85 attackbotsspam
11/17/2019-17:44:28.909862 81.22.45.85 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-11-18 07:09:10
220.202.74.27 attackspam
SMTP Fraud Orders
2019-11-18 06:51:20
89.176.6.6 attackspambots
fire
2019-11-18 06:45:59
80.137.117.212 attackbots
Telnet Server BruteForce Attack
2019-11-18 07:01:39
176.214.60.193 attackspambots
Unauthorised access (Nov 18) SRC=176.214.60.193 LEN=52 TOS=0x10 PREC=0x60 TTL=116 ID=28017 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov 17) SRC=176.214.60.193 LEN=52 TOS=0x10 PREC=0x60 TTL=116 ID=2641 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov 17) SRC=176.214.60.193 LEN=52 TOS=0x10 PREC=0x60 TTL=116 ID=30474 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov 17) SRC=176.214.60.193 LEN=52 TOS=0x10 PREC=0x60 TTL=116 ID=26486 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov 17) SRC=176.214.60.193 LEN=52 TOS=0x10 PREC=0x60 TTL=116 ID=30288 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (Nov 17) SRC=176.214.60.193 LEN=52 TOS=0x10 PREC=0x60 TTL=116 ID=22043 DF TCP DPT=445 WINDOW=8192 SYN
2019-11-18 07:00:12
73.189.112.132 attack
fire
2019-11-18 07:16:56
86.52.11.35 attackbotsspam
fire
2019-11-18 06:49:32
81.174.170.85 attack
fire
2019-11-18 07:04:49
74.121.190.26 attackbots
\[2019-11-17 17:59:48\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-17T17:59:48.693-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="00442870878502",SessionID="0x7fdf2ce27cf8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/74.121.190.26/49489",ACLName="no_extension_match"
\[2019-11-17 18:00:49\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-17T18:00:49.936-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="000442870878502",SessionID="0x7fdf2ce1a6b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/74.121.190.26/64768",ACLName="no_extension_match"
\[2019-11-17 18:01:44\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-17T18:01:44.508-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="442870878502",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/74.121.190.26/50945",ACLName="no_extensi
2019-11-18 07:05:20
103.253.26.199 attackbotsspam
SPAM Delivery Attempt
2019-11-18 07:10:11
23.244.74.2 attackspam
11/17/2019-09:33:39.525444 23.244.74.2 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2019-11-18 06:42:26
218.92.0.200 attack
Nov 17 22:44:55 venus sshd\[21843\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.200  user=root
Nov 17 22:44:57 venus sshd\[21843\]: Failed password for root from 218.92.0.200 port 36665 ssh2
Nov 17 22:44:59 venus sshd\[21843\]: Failed password for root from 218.92.0.200 port 36665 ssh2
...
2019-11-18 06:54:06

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