ARIN Region per AS prefix count listed by address space
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  ASN   No of nets  /20 equiv  Description
 7843      507          4       Adelphia Corp. 
    1      225          3       GENUITY 
 1784       36          2       Global NAPs Networks 
 6316       38          2       StarNet, Inc. 
21590        1          2       OptiGlobe S.A. 
 2714       33          1       General Services Administrati
 6079       42          1       RCN Corporation 
