Knowledge is the key to success (50)
osint - Louisa County High School
Challenge description:
To get this key, you must be a sleuth. You have been given the ipaddres of 19.12.97.37. To capture this flag, you must know the OrgID and the RegDate.
The flag format is CTF{OridID:YYYY-MM-DD}
Solution
OrgID means organization ID and RegDate means registration date. We can use an IP whois service for this. For example: https://iplocation.io/ip-whois-lookup/%2019.12.97.37
This provides the necessary information.