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
- Website
- http://www.t-mobile.com
- PeeringDB
- net/3592
- Exchanges
- 9
- Facilities
- 16
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
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 |