192.0.2.1 is a Special Purpose IP Address.

192.0.2.0/24 - Documentation (TEST-NET-1)
192.0.2.0/24 was allocated on January of 2010.

Addresses in 192.0.2.0/24 may NOT be used as the source address of an IP datagram that transits two devices.

Addresses in 192.0.2.0/24 may NOT be used as the destination address of an IP datagram that transits two devices.

Addresses in 192.0.2.0/24 are NOT forwardable.
A router may NOT forward an IP datagram to Addresses in 192.0.2.0/24 between external interfaces

Addresses in 192.0.2.0/24 are NOT globally reachable
An IP datagram may NOT be forwarded to Addresses in 192.0.2.0/24 beyond a specified administative domain.

The 192.0.2.0/24 address block or TEST-NET-1 is used 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 they may be used without any coordination with IANA or an Internet registry.

[ RFC5737, ^ ]
  
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