Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Mobile allocation +2
- Trust score 67 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About T-Mobile US
T-Mobile US, Inc. is an American wireless network operator headquartered in Bellevue, Washington.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 64.13.32.0/19 | 8.2K |
0.0%
|
T-Mobile USA, Inc. | US | Michigan | Farmington Hills |
| 64.13.16.0/20 | 4.1K |
0.0%
|
T-Mobile USA, Inc. | US | Illinois | Rockford |
| 64.13.112.0/20 | 4.1K |
0.0%
|
T-Mobile USA, Inc. | US | Wisconsin | Kenosha |
| 64.13.8.0/21 | 2.0K |
0.0%
|
T-Mobile USA, Inc. | US | Wisconsin | Kenosha |
| 64.13.32.0/21 | 2.0K |
0.0%
|
T-Mobile USA, Inc. | US | — | — |
| 64.13.64.0/21 | 2.0K |
0.0%
|
T-Mobile USA, Inc. | US | California | Palmdale |
| 64.13.72.0/22 | 1.0K |
0.0%
|
T-Mobile USA, Inc. | US | California | Oceanside |
| 64.13.6.0/23 | 512 |
0.0%
|
T-Mobile USA, Inc. | US | Wisconsin | Kenosha |
| 64.13.40.0/23 | 512 |
0.0%
|
T-Mobile USA, Inc. | US | — | — |
| 64.13.76.0/23 | 512 |
0.0%
|
T-Mobile USA, Inc. | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17133 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 64.13.74.0/23 | 21,577 | 2026-09-10 18:07:50 |
| 64.13.70.0/23 | 21,574 | 2026-09-10 18:07:50 |
| 64.13.72.0/23 | 21,569 | 2026-09-10 18:07:50 |
| 64.13.44.0/23 | 21,120 | 2026-09-10 18:07:50 |
| 64.13.46.0/23 | 21,048 | 2026-09-10 18:07:50 |
| 64.13.42.0/23 | 21,036 | 2026-09-10 18:07:50 |
| 64.13.64.0/23 | 21,015 | 2026-09-10 18:07:50 |
| 64.13.48.0/21 | 18,777 | 2026-09-10 18:07:50 |
| 64.13.66.0/23 | 18,672 | 2026-09-10 18:07:50 |
| 64.13.56.0/21 | 18,645 | 2026-09-10 18:07:50 |
| 64.13.68.0/23 | 18,613 | 2026-09-10 18:07:50 |
| 64.13.112.0/21 | 11,983 | 2026-09-10 18:07:33 |
| 64.13.16.0/20 | 11,902 | 2026-09-10 18:07:50 |
| 64.13.14.0/23 | 11,888 | 2026-09-10 18:07:50 |
| 64.13.12.0/23 | 11,857 | 2026-09-10 18:07:50 |
| 64.13.6.0/23 | 11,812 | 2026-09-10 18:07:50 |
| 64.13.10.0/23 | 11,797 | 2026-09-10 18:07:50 |
| 64.13.120.0/21 | 11,771 | 2026-09-10 18:07:33 |
| 64.13.8.0/23 | 11,716 | 2026-09-10 18:07:50 |
| 64.13.76.0/23 | 11,265 | 2026-07-13 06:46:19 |
| 64.13.40.0/23 | 9,492 | 2026-09-10 18:07:50 |
| 64.13.32.0/21 | 9,463 | 2026-09-10 18:07:50 |
Frequently Asked Questions
What is AS17133?
AS17133 is an Autonomous System Number assigned to T-Mobile USA, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS17133 announce?
AS17133 announces 22.5K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in United States.
Who operates AS17133?
AS17133 is operated by T-Mobile USA, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS17133 registered in?
AS17133 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
