Data as of Nov 3, 2026

166.181.0.0/16

No anonymizer space Β· no proxy exits in 30 days

T-Mobile USA, Inc.

Announcement
this exact prefix
No RPKI
Announced by
Type
Mobile

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

Arrived
PrefixOriginTypeHolderRPKI
166.181.6.0/24
since Jun 2020
AS6614MobileT-Mobile USA, Inc.
166.181.7.0/24
since Nov 2020
AS6614MobileT-Mobile USA, Inc.
166.181.79.0/24
since Sep 2022
AS6614MobileT-Mobile USA, Inc.
166.181.80.0/21
since Oct 2019
AS6614MobileT-Mobile USA, Inc.
166.181.80.0/24
since Feb 2012
AS6614MobileT-Mobile USA, Inc.
166.181.81.0/24
since Mar 2013
AS6614MobileT-Mobile USA, Inc.
166.181.82.0/24
since Dec 2012
AS6614MobileT-Mobile USA, Inc.
166.181.83.0/24
since Dec 2012
AS6614MobileT-Mobile USA, Inc.
166.181.84.0/24
since Apr 2017
AS6614MobileT-Mobile USA, Inc.
166.181.85.0/24
since Apr 2017
AS6614MobileT-Mobile USA, Inc.
166.181.86.0/24
since Oct 2017
AS6614MobileT-Mobile USA, Inc.
166.181.87.0/24
since Oct 2017
AS6614MobileT-Mobile USA, Inc.
166.181.88.0/24
since Nov 2018
AS6614MobileT-Mobile USA, Inc.
166.181.89.0/24
since Nov 2018
AS6614MobileT-Mobile USA, Inc.
166.181.160.0/20
since Sep 2023
AS18933MobileT-Mobile USA, Inc.
166.181.192.0/21
since Oct 2021
AS6614MobileT-Mobile USA, Inc.
166.181.248.0/21
since Oct 2025
AS6614MobileT-Mobile USA, Inc.

Network & registry

Origin network

AS6614

US
Name
T-Mobile USA, Inc.
Type
Internet provider
Registered
Jun 5, 1995
Domain
t-mobile.com
Website
www.uscellular.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed