ASN Lookup Tool

AS21928
T Mobile USA, Inc. US US 625 Routes

AS21928 – T Mobile USA, Inc.

AS Number 21928
AS Name
Organization T Mobile USA, Inc.(tmobi)
Country US
Website t-mobile.com
Number of IPv4 Routes 366
Number of IPv6 Routes 259
ASN type ISP
Allocation Status
Registry ARIN
Date Allocated N/A

IP Ranges

Route # IPs
208.54.142.0/24 256
172.58.0.0/15 131072
2607:fb90:3c00::/40 ~309×10²⁴
172.56.18.0/23 512
174.146.64.0/20 4096
66.94.29.0/24 256
208.54.112.0/24 256
100.128.0.0/9 8388608
2607:fb90:2300::/40 ~309×10²⁴
buy plan 8192
buy plan ~309×10²⁴
buy plan ~309×10²⁴
buy plan 256
buy plan ~309×10²⁴
See All IP Ranges

Raw Whois Response 

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       21928
ASName:         T-MOBILE-AS21928
ASHandle:       AS21928
RegDate:        2002-06-12
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/21928



OrgName:        T-Mobile USA, Inc.
OrgId:          TMOBI
Address:        12920 SE 38th Street
City:           Bellevue
StateProv:      WA
PostalCode:     98006
Country:        US
RegDate:        2003-01-02
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/TMOBI


OrgTechHandle: DNSAD11-ARIN
OrgTechName:   DNS Administrators
OrgTechPhone:  +1-888-662-4662 
OrgTechEmail:  ARINtechcontact@t-mobile.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD11-ARIN

OrgAbuseHandle: ABUSE4857-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-888-662-4662 
OrgAbuseEmail:  abuse@t-mobile.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE4857-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS393577 Tritan Development US
AS401703 Ordinal Advisors LLC US
AS9505 Chunghwa Telecom Co., Ltd. TW
AS38880 Micron21 Datacentre Pty Ltd AU
AS14537 Continent 8 LLC US
AS45437 Real World - The Core AU
AS37468 Angola Cables AO
AS199524 G-Core Labs S.A. LU
AS293 ESnet US
AS400318 Versa Networks, Inc. US
AS53597 Hoyos Consulting LLC US
AS46733 x6c US
AS270735 COMPUTIZE NETWORK TELECOMUNICACOES LTDA BR
AS6461 Zayo Bandwidth US
AS60326 0xDEADBEEF LTD SC
AS58453 China Mobile International Limited HK
AS263237 PowerHost Telecom SPA CL
AS32590 Valve Corporation US
AS55818 MC-IX Matrix Internet Exchange RS-1 ID
buy plan T-Mobile USA, Inc. US
buy plan Everythink Innovations Limited CA
buy plan NETWORK INNOVATIONS, LLC US
buy plan TDS TELECOM US
buy plan GSL Networks Pty LTD AU
See All Peers

Upstreams

AS Number Description Country
AS60068 Datacamp Limited GB
AS39120 Convergenze S.p.A. IT
AS64126 DOMINICAN TELECOM PRIME, DTP, S.R.L. DO
AS58453 China Mobile International Limited HK
AS263237 PowerHost Telecom SPA CL
AS9002 RETN Limited GB
AS9505 Chunghwa Telecom Co., Ltd. TW
AS6939 Hurricane Electric LLC US
AS64289 Macarne.com US
buy plan Mercury NZ Limited NZ
buy plan Level 3 Parent, LLC US
buy plan Zayo Bandwidth US
buy plan Rede Nacional de Ensino e Pesquisa BR
buy plan GSL Networks Pty LTD AU
See All Upstreams

Downstreams

AS Number Description Country
AS22140 T Mobile USA, Inc. US
AS16550 Google LLC US
AS400318 Versa Networks, Inc. US

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