AS21928 T-Mobile USA, Inc. 🇺🇸 US

Announcing 544 prefixes, seen at the RIS collectors.

IPv4 prefixes
284
13,956,864 (54,519 × /24)
IPv6 prefixes
260
18 × /32
Upstreams
5
transit providers observed
Peers
11
settlement-free adjacencies
Downstreams
3
transit customers observed
Customer cone
4
ASes reachable through it

Registry and operator data

AS number
AS21928
Name
T-Mobile USA, Inc.
Organisation
T-Mobile USA
Country
🇺🇸 US
RIR
ARIN
Allocated
2002-06-12
Network type
Cable/DSL/ISP
Scope
North America
Peering policy
Selective
IRR as-set
AS-21928
PeeringDB
net/3592
Exchanges
9
Facilities
16

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

544 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Announced prefixes

284 in total

Prefix RPKI Peers Sample path First seen
172.59.16.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.24.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.32.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.40.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.48.0/21 v4 RPKI valid 3 2020521928 2026-09-18
172.59.56.0/21 v4 RPKI valid 5 1763921928 2026-09-18
172.59.64.0/21 v4 RPKI valid 41 2020521928 2026-09-18
172.59.72.0/21 v4 RPKI valid 42 2020521928 2026-09-18
172.59.80.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.88.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.96.0/21 v4 RPKI valid 41 2020521928 2026-09-18
172.59.104.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.112.0/21 v4 RPKI valid 41 2020521928 2026-09-18
172.59.120.0/21 v4 RPKI valid 41 2020521928 2026-09-18
172.59.128.0/21 v4 RPKI valid 3 2020521928 2026-09-18
172.59.136.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.144.0/21 v4 RPKI valid 3 2020521928 2026-09-18
172.59.152.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.160.0/21 v4 RPKI valid 3 2020521928 2026-09-18
172.59.168.0/21 v4 RPKI valid 41 2020521928 2026-09-18
172.59.176.0/21 v4 RPKI valid 3 2020521928 2026-09-18
172.59.184.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.192.0/21 v4 RPKI valid 40 2020521928 2026-09-18
172.59.200.0/21 v4 RPKI valid 40 1763921928 2026-09-18
172.59.208.0/21 v4 RPKI valid 42 2020521928 2026-09-18
172.59.216.0/21 v4 RPKI valid 41 2020521928 2026-09-18
172.59.224.0/21 v4 RPKI valid 41 2020521928 2026-09-18
172.59.232.0/21 v4 RPKI valid 3 2020521928 2026-09-18
172.59.240.0/21 v4 RPKI valid 3 2020521928 2026-09-18
174.141.208.0/20 v4 RPKI valid 43 34549646121928 2026-09-18
206.29.168.0/22 v4 RPKI valid 43 34549646121928 2026-09-18
206.29.188.0/23 v4 RPKI valid 43 37721335621928 2026-09-18
206.29.190.0/23 v4 RPKI valid 42 34549646121928 2026-09-18
208.54.0.0/17 v4 RPKI valid 42 2020521928 2026-09-18
208.54.1.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.2.0/24 v4 RPKI valid 14 2020521928 2026-09-18
208.54.4.0/24 v4 RPKI valid 5 1763921928 2026-09-18
208.54.5.0/24 v4 RPKI valid 10 2020521928 2026-09-18
208.54.7.0/24 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.16.0/24 v4 RPKI valid 10 2020521928 2026-09-18
208.54.18.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.19.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.20.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.32.0/24 v4 RPKI valid 10 2020521928 2026-09-18
208.54.34.0/24 v4 RPKI valid 41 2020521928 2026-09-18
208.54.35.0/24 v4 RPKI valid 44 2020521928 2026-09-18
208.54.36.0/24 v4 RPKI valid 25 2020521928 2026-09-18
208.54.37.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.39.0/24 v4 RPKI valid 5 1763921928 2026-09-18
208.54.40.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.44.0/24 v4 RPKI valid 42 2020521928 2026-09-18
208.54.57.0/24 v4 RPKI valid 3 2020521928 2026-10-01
208.54.66.0/24 v4 RPKI valid 5 1763921928 2026-09-18
208.54.67.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.70.0/24 v4 RPKI valid 27 2020521928 2026-09-18
208.54.74.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.75.0/24 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.80.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.83.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.85.0/24 v4 RPKI valid 43 2020521928 2026-09-18
208.54.86.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.87.0/24 v4 RPKI valid 43 2020521928 2026-09-18
208.54.90.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.96.0/19 v4 RPKI valid 42 34549646121928 2026-09-18
208.54.97.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.100.0/22 v4 RPKI valid 3 2020521928 2026-09-18
208.54.104.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.110.0/23 v4 RPKI valid 3 2020521928 2026-09-18
208.54.112.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.117.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.127.0/24 v4 RPKI valid 3 2020521928 2026-09-18
208.54.128.0/19 v4 RPKI valid 41 34549646121928 2026-09-18
208.54.128.0/20 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.134.0/23 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.136.0/23 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.138.0/23 v4 RPKI valid 42 34549646121928 2026-09-18
208.54.140.0/23 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.142.0/24 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.143.0/24 v4 RPKI valid 42 34549646121928 2026-09-18
208.54.144.0/20 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.145.0/24 v4 RPKI valid 42 34549646121928 2026-09-18
208.54.153.0/24 v4 RPKI valid 43 34549646121928 2026-09-18
208.54.157.0/24 v4 RPKI valid 42 34549646121928 2026-10-01
208.54.158.0/24 v4 RPKI valid 42 34549646121928 2026-10-01