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 <<>> 21.127.66.137
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25849
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.127.66.137.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022110801 1800 900 604800 86400

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Nov 09 03:05:14 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 137.66.127.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 137.66.127.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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2020-06-25 20:22:26
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...
2020-06-25 20:13:15
111.231.54.212 attack
Jun 25 05:46:42 server1 sshd\[11442\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.54.212  user=root
Jun 25 05:46:44 server1 sshd\[11442\]: Failed password for root from 111.231.54.212 port 32830 ssh2
Jun 25 05:49:32 server1 sshd\[13370\]: Invalid user dom from 111.231.54.212
Jun 25 05:49:32 server1 sshd\[13370\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.54.212 
Jun 25 05:49:34 server1 sshd\[13370\]: Failed password for invalid user dom from 111.231.54.212 port 35350 ssh2
...
2020-06-25 20:01:22
104.40.7.127 attackbotsspam
Jun 25 12:28:48 IngegnereFirenze sshd[4536]: Failed password for invalid user mysftp from 104.40.7.127 port 12352 ssh2
...
2020-06-25 20:31:29
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2020-06-25 20:41:21
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2020-06-25 20:13:45
118.27.11.126 attackbots
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2020-06-25 20:06:59
183.220.146.250 attack
web-1 [ssh_2] SSH Attack
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189.90.209.108 attack
Fail2Ban Ban Triggered
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Unauthorized connection attempt from IP address 110.78.181.153 on Port 445(SMB)
2020-06-25 20:24:07
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2020-06-25 20:00:42
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2020-06-25 20:25:54

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