ASN Lookup Tool
AS21928 T-Mobile USA, Inc.
An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.
ASN Lookup for:
AS21928
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ASN
AS21928
Organisation
T-Mobile USA, Inc.
AS Name
T-MOBILE-AS21928
IPv4 Addresses Announced
13,747,278
IPv4 Prefixes Announced
408
IPv6 Prefixes Announced
325
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#32 out of 75,468
Registry
Arin
Registered Country
US
Registration Date
2002-06-12
Registration Change
2012-02-24
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