US
AS21928
T-MOBILE-AS21928
T-Mobile USA, Inc. · www.t-mobile.com
US ARIN Cable/DSL/ISP RatioMostly Inbound Peering PolicySelective ScopeNorth America IRRAS-21928
282
IPv4 Prefixes
256
IPv6 Prefixes
···
Peers
···
Upstream
···
Downstream
10
IX Points
16
Facilities
92%
RPKI Valid Rate
IP Purity Address-space quality
Assessing the address space...
Network Topology Upstream/Downstream Data Source: RIPE Stat
Loading topology data...
Announced IP Prefixes 538
RPKI Valid 184 RPKI Invalid 0 Unsigned / Unknown 16 Sampled 200 / 538

IPv4 Prefixes 282

168.73.0.0/17167.20.0.0/16170.206.128.0/17172.56.20.0/23172.56.36.0/23172.56.62.0/23172.56.78.0/23172.56.106.0/23172.56.128.0/23172.56.160.0/21172.56.174.0/23172.56.176.0/23172.56.196.0/23172.56.208.0/21172.56.210.0/23172.56.220.0/23172.56.224.0/21172.56.228.0/23172.56.236.0/23172.56.240.0/21172.56.244.0/23172.56.248.0/21172.56.248.0/23172.58.0.0/15172.58.56.0/21172.58.112.0/21172.59.16.0/21172.59.112.0/21172.59.160.0/21172.56.0.0/16

IPv6 Prefixes 256

2607:fb90:400::/402607:fb90:700::/402607:fb90:2500::/402607:fb90:5000::/402607:fb90:5700::/402607:fb90:5800::/402607:fb90:5c00::/402607:fb90:7a00::/402607:fb90:8e00::/402607:fb90:9900::/402607:fb90:9c00::/402607:fb90:ea00::/402607:fb91:800::/402607:fb91:b00::/402607:fb91:1100::/402607:fb91:2e00::/402607:fb91:3300::/402607:fb91:3f00::/402607:fb91:5600::/402607:fb92:1f00::/402607:fb92:2000::/402607:fb92:2200::/402607:fb92:2600::/402607:fb92:2900::/402607:fb92:2a00::/402607:fb92:2d00::/402607:fb91:600::/402607:fb91:900::/402607:fb90::/282607:fb90::/32
Facilities 16 Click a point on the map to locate a facility
NameCityCountry
Equinix DC1-DC15,DC21-DC22 - AshburnAshburnUS
Digital Realty SFO (200 Paul)San FranciscoUS
Equinix SV1/SV5/SV10 - Silicon Valley, San JoseSan JoseUS
Equinix CH1/CH2/CH4 - ChicagoChicagoUS
Equinix LA1 - Los AngelesLos AngelesUS
Equinix MI1 - Miami, NOTAMiamiUS
Digital Realty NYC (111 8th Ave)New YorkUS
Equinix SE2/SE3 - SeattleSeattleUS
Digital Realty ATL13 - AtlantaAtlantaUS
Markley Group One Summer Street BostonBostonUS
165 Halsey Meet-Me RoomNewarkUS
CoreSite - Denver (DE1)DenverUS
Equinix DA - Dallas (previously Infomart Dallas)DallasUS
Databank Houston West (HOU1) (HOU2)HoustonUS
EdgeConneX Phoenix (EDCPHX01)TempeUS
T5@DallasPlanoUS
Colocated Networks 30 Shared Data Center
ASNNameType Shared Facility
AS6939 Hurricane Electric NSP 14/16
AS6461 Zayo NSP 14/16
AS1299 Arelion (Twelve99) NSP 14/16
AS174 Cogent Communications, Inc. NSP 14/16
AS49915 Megaport Global Access NSP 13/16
AS32934 Meta Content 13/16
AS22822 Edgio - AS22822 Content 13/16
AS4556 PacketFabric NSP 13/16
AS54113 Fastly, Inc. Content 12/16
AS20940 Akamai Technologies Content 12/16
AS16509 Amazon.com Enterprise 12/16
AS13335 Cloudflare Content 12/16
AS2906 Netflix Content 12/16
AS43531 IX Reach NSP 11/16
AS32261 Subspace 11/16
AS15169 Google LLC Content 11/16
AS7922 Comcast Cable/DSL/ISP 11/16
AS4455 BSO NSP 11/16
AS3257 GTT Communications (AS3257) NSP 11/16
AS2914 NTT Global IP Network NSP 11/16
Registration Info
AS Name
AS-21928
Organization
21928
Country/Region
US
Registration Date
2024-11-15T16:53:28Z
Update Date
2024-11-15T16:53:28Z
Raw Whois Data 
aut-num:        AS21928
as-name:        AS-21928
descr:          21928
member-of:      AS-21928
export:         to AS-ANY   announce AS21928
admin-c:        DNSAD11-ARIN
tech-c:         DNSAD11-ARIN
mnt-by:         MNT-TMOBI
created:        2024-11-15T16:53:28Z
last-modified:  2024-11-15T16:53:28Z
source:         ARIN

aut-num:        AS21928
as-name:        TMobileUSA
descr:          T-Mobile USA IP Backbone
import:         from AS3356   accept <^AS3356+$>
import:         from AS3549   accept <^AS3549+$>
import:         from AS6461   accept <^AS6461+$>
export:         to AS-ANY   announce AS21928
admin-c:        Marc Smith
tech-c:         Helvin Rudi
tech-c:         Marc Smith
notify:         [email protected]
mnt-by:         MAINT-AS21928
changed:        [email protected] 20140721  #17:39:23Z
source:         RADB
last-modified:  2023-11-13T15:46:37Z




--- ARIN Whois ---


#
# 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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD11-ARIN

OrgAbuseHandle: ABUSE4857-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-888-662-4662 
OrgAbuseEmail:  [email protected]
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 1997-2026, American Registry for Internet Numbers, Ltd.
#

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