lukem
If you're going to use test values in your test systems, why not use test values allocated for documentation purposes that aren't expected to be used in "live" networks?

IETF RFC 5737 section 3 allocates three IPv4 CIDR ranges for documentation:
192.0.2.0/24, 198.51.100.0/24, and 203.0.113.0/24.
September 5, 2025 at 8:02 am