ASN Lookup Tool
AS21928 T-MOBILE-AS21928

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21928
Organisation
T-Mobile USA, Inc.
Name
T-MOBILE-AS21928
Total IPv4 Addresses
13780220
Total IPv4 Prefixes
449
Total IPv6 Prefixes
333
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#32 out of 77,316
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2002-06-12
Registration Last Change
2012-02-24
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
US flagPIT US
DE flagCore-Backbone GmbH
KR flagKorea Telecom
US flagLevel 3 Parent, LLC
US flagCogent Communications
Showing 5 of 81
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
WORLD flagPrivate Use AS
US flagVersa Networks, Inc.
US flagT-Mobile USA, Inc.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From24.221.0.0
Range To24.221.7.255
Range From24.221.8.0
Showing 5 of 449
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.