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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

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS21928
Organisation
T-Mobile USA, Inc.
AS Name
T-MOBILE-AS21928
IPv4 Addresses Announced
13,747,534
IPv4 Prefixes Announced
408
IPv6 Prefixes Announced
328
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#32 out of 75,559
Registry
Arin
Registered Country
US
Registration Date
2002-06-12
Registration Change
2012-02-24

Receiving From

ASN
Organisation
AS3356
Level 3 Parent, LLC
AS1239
Sprint
AS852
TELUS Communications Inc.
AS36351
SoftLayer Technologies Inc.
AS7713
Telekomunikasi Indonesia (PT)
AS6057
Administracion Nacional de Telecomunicaciones
AS9304
HGC Global Communications Limited
AS6461
Zayo Bandwidth
AS7575
Australian Academic and Research Network
AS8220
COLT Technology Services Group Limited
Showing 10 of 68 Results View More >

Transit To

ASN
Organisation
AS400318
Versa Networks, Inc.
AS22140
T-Mobile USA, Inc.
Showing 10 of 2 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 100.128.0.0/9
Range From 100.128.0.0
Range To 100.255.255.255
Prefix 162.160.0.0/12
Range From 162.160.0.0
Range To 162.175.255.255
Prefix 162.176.0.0/13
Range From 162.176.0.0
Range To 162.183.255.255
Prefix 162.184.0.0/15
Range From 162.184.0.0
Range To 162.185.255.255
Prefix 162.186.0.0/15
Range From 162.186.0.0
Range To 162.187.255.255
Prefix 162.188.0.0/15
Range From 162.188.0.0
Range To 162.189.255.255
Prefix 162.190.0.0/16
Range From 162.190.0.0
Range To 162.190.255.255
Prefix 162.191.0.0/16
Range From 162.191.0.0
Range To 162.191.255.255
Prefix 167.20.0.0/16
Range From 167.20.0.0
Range To 167.20.255.255
Prefix 172.32.0.0/12
Range From 172.32.0.0
Range To 172.47.255.255
Showing 10 of 408 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:4870:140::/44
Range From 2001:4870:140::
Range To 2001:4870:14f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:4870:150::/44
Range From 2001:4870:150::
Range To 2001:4870:15f:ffff:ffff:ffff:ffff:ffff
Prefix 2001:4870:e00b::/48
Range From 2001:4870:e00b::
Range To 2001:4870:e00b:ffff:ffff:ffff:ffff:ffff
Prefix 2607:fb90::/40
Range From 2607:fb90::
Range To 2607:fb90:ff:ffff:ffff:ffff:ffff:ffff
Prefix 2607:fb90:100::/40
Range From 2607:fb90:100::
Range To 2607:fb90:1ff:ffff:ffff:ffff:ffff:ffff
Prefix 2607:fb90:1000::/39
Range From 2607:fb90:1000::
Range To 2607:fb90:11ff:ffff:ffff:ffff:ffff:ffff
Prefix 2607:fb90:1200::/40
Range From 2607:fb90:1200::
Range To 2607:fb90:12ff:ffff:ffff:ffff:ffff:ffff
Prefix 2607:fb90:1300::/40
Range From 2607:fb90:1300::
Range To 2607:fb90:13ff:ffff:ffff:ffff:ffff:ffff
Prefix 2607:fb90:1400::/39
Range From 2607:fb90:1400::
Range To 2607:fb90:15ff:ffff:ffff:ffff:ffff:ffff
Prefix 2607:fb90:1600::/40
Range From 2607:fb90:1600::
Range To 2607:fb90:16ff:ffff:ffff:ffff:ffff:ffff
Showing 10 of 328 Results View More >