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Data as of Nov 8, 2026

208.54.0.0/18

No anonymizer space · no proxy exits in 30 days

T-Mobile USA, Inc.

Announcement
208.54.0.0/17
RPKI valid
Announced by
AS21928
Type
Mobile
94% of it

Operators, sellers and brokers

Corporate gateways

NameParentIn 208.54.0.0/18/24s
Versa Networks
7684.7%
3

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeOperatorHolderRPKI
208.54.1.0/24
since Oct 22, 2026
AS198949BusinessT-Mobile USA, Inc.
208.54.7.0/24
since Nov 2005
AS21928MobileT-Mobile USA, Inc.
208.54.22.0/24AS400318Corporate gatewayCorporate gatewaysoperated by Versa NetworksT-Mobile USA, Inc.
208.54.23.0/24AS400318Corporate gatewayCorporate gatewaysoperated by Versa NetworksT-Mobile USA, Inc.
208.54.33.0/24
since Nov 2022
AS400318Corporate gatewayCorporate gatewaysoperated by Versa NetworksT-Mobile USA, Inc.
208.54.34.0/24
since Aug 2016
AS21928MobileT-Mobile USA, Inc.
208.54.35.0/24
since Jun 2023
AS21928MobileT-Mobile USA, Inc.
208.54.36.0/24
since Oct 2016
AS21928MobileT-Mobile USA, Inc.
208.54.44.0/24
since Jun 2023
AS21928MobileT-Mobile USA, Inc.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Mobile15,36094%11
Corporate gateway7684.7%3
Business2561.6%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 208.54.0.0/17

Prefix
208.54.0.0/17
Announced by
AS21928 T-Mobile USA, Inc.
Type
Mobile
Proxy exits
2
RPKI
RPKI valid
Netname
TMO2
Registrant
T-Mobile USA, Inc.
RIR
ARIN
Origin network

AS21928

US
Name
T-Mobile USA, Inc.
Type
Internet provider
Registered
Jun 12, 2002
Domain
t-mobile.com
Website
www.t-mobile.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed