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ASN Lookup Tool
AS21923 CS-AS-NAME

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21923
Organisation
CapitalSource Finance LLC
Name
CS-AS-NAME
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#59,756 out of 79,165
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2007-01-11
Registration Last Change
2012-03-02
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
IPv4 Active Prefixes
PrefixRange FromRange To
12.150.170.0/2412.150.170.012.150.170.255