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: Korea (the Republic of)

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 <<>> 121.66.48.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23856
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.66.48.81.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020600 1800 900 604800 86400

;; Query time: 35 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 06 21:43:37 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 81.48.66.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.48.66.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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195.143.229.209 attack
lfd: (smtpauth) Failed SMTP AUTH login from 195.143.229.209 (-): 5 in the last 3600 secs - Sat Aug 25 13:30:51 2018
2020-09-25 18:05:08
74.120.14.64 attack
ET CINS Active Threat Intelligence Poor Reputation IP group 63 - port: 8069 proto: tcp cat: Misc Attackbytes: 60
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222.90.86.40 attackbotsspam
Brute force blocker - service: proftpd1 - aantal: 47 - Sat Aug 25 15:35:17 2018
2020-09-25 18:04:50
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Brute force blocker - service: proftpd1 - aantal: 80 - Sat Aug 25 10:35:18 2018
2020-09-25 18:10:46
222.119.64.193 attackspam
Honeypot attack, port: 81, PTR: PTR record not found
2020-09-25 18:23:09
201.76.129.142 attackbotsspam
Honeypot attack, port: 445, PTR: 20176129142.tvninternet.com.br.
2020-09-25 18:17:27
192.35.168.230 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-09-25 18:31:50
200.119.45.66 attackbots
Attempt to execute cgi scripts
2020-09-25 18:38:02
45.81.254.211 attackspam
Sep 24 14:36:48 Host-KLAX-C postfix/smtpd[270583]: NOQUEUE: reject: RCPT from trailcover.cyou[45.81.254.211]: 554 5.7.1 : Sender address rejected: We reject all .cyou domains because of SPAM; from= to= proto=ESMTP helo=
...
2020-09-25 18:30:05
223.167.225.37 attackspambots
"Unauthorized connection attempt on SSHD detected"
2020-09-25 18:33:11
204.44.98.243 attackbots
Sep 25 00:35:54 askasleikir sshd[7015]: Failed password for invalid user oracle from 204.44.98.243 port 60758 ssh2
2020-09-25 18:17:00
35.226.132.241 attackspambots
Connection to SSH Honeypot - Detected by HoneypotDB
2020-09-25 18:32:08
51.116.182.194 attack
$f2bV_matches
2020-09-25 18:32:50
106.13.98.132 attack
Sep 25 11:43:42 vpn01 sshd[29882]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.98.132
Sep 25 11:43:45 vpn01 sshd[29882]: Failed password for invalid user info from 106.13.98.132 port 49558 ssh2
...
2020-09-25 18:23:55
209.85.216.65 attack
NETFLIX FRAUD.
2020-09-25 18:24:40

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