192.0.2.1 is in the 192.0.2.0/24 block. 192.0.2.0/24 is assigned as
"TEST-NET-1" for use in documentation and example code. It is often used in conjuction with domain names example.com or example.net in vendor and protocol documentation. Addresses within this block do not legitimately appear on the public Internet and can be used without any coordination with IANA or an Internet registry.