C
CIDR. classless interdomain routing.

Forwarding packets based on their prefix length and destination, ignoring the major network in which they reside.

CIDR block.

Grouping or summarization of major networks. Given that 200.200.200.0/24 is a Class C address, 200.200.0.0/16 is a CIDR block. The address 10.1.0.0/16 is not a CIDR block; it is a subnet of the 10.x.x.x network. With a CIDR block, the prefix is shortened from the "natural" mask for that network; with subnetting, the prefix is lengthened.

classless interdomain routing.
See [CIDR. classless interdomain routing. Forwarding packets based on their prefix length and destination, ignoring the major network in which they reside.]
CLNS. Connectionless Network Service.

A routed (data carrying) ...

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