bgp received route without network mas

Hello,

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Why do I not see network mask (even though 'show ip bgp "prefix" ' shows it as a /24)

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router#show ip bgp neighbors x.x.x.x routes

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Network Next Hop Metric LocPrf Weight Path

*> 10.0.0.0 x.x.x.x 200 0 48011 205203 i

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