Hierarchical addressing: more specific routes

ISPs-R-Us has a more specific route to Organization 1

“Send me anything

with addresses

beginning

200.23.16.0/20”

Fly-By-Night-ISP

Organization 0

Organization 7

Internet

Organization 1

ISPs-R-Us

“Send me anything

with addresses

beginning 199.31.0.0/16

or 200.23.18.0/23”

Organization 2

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