198.51.100.0 is in the 198.51.100.0/24 block which is assigned as "TEST-NET-2" 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.
[ RFC5735 ]