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Organization

T-Mobile USA, Inc.

IPv4 addresses
13,743,104
CIDR ranges
177
Category
mobile
BGP prefixes announced
380

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.

67/100
Moderate
How this score is built
  • 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.

Founded
2001
Headquarters
Bellevue
Industry
telecommunications industry
Parent
Deutsche Telekom
Employees
38,000

Operates 2 networks present at 15 internet exchanges with a selective peering policy.

T-Mobile USA, Inc. — global IP footprint

Cities where T-Mobile USA, Inc. has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by T-Mobile USA, Inc.

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by T-Mobile USA, Inc.

ASNNameIPsPrefixesCountry
AS21928 T-Mobile USA, Inc. 13.19M 97 US
AS6614 T-Mobile USA, Inc. 449.3K 43 US
AS18933 T-Mobile USA, Inc. 82.9K 26 US
AS17133 T-Mobile USA, Inc. 22.5K 10 US
AS22140 T-Mobile USA, Inc. 1.0K 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
100.128.0.0/9 8.39M
0.0%
AS21928 US Washington Seattle
162.160.0.0/11 2.10M
0.0%
AS21928 US Illinois Chicago
172.32.0.0/11 2.10M
0.7%
AS21928 US Wisconsin Milwaukee
172.48.0.0/12 1.05M
0.0%
AS21928 US Wisconsin Milwaukee
172.32.0.0/13 524.3K
0.0%
AS21928 US
172.44.0.0/14 262.1K
0.0%
AS21928 US
74.60.0.0/15 131.1K
0.0%
AS21928 US
75.122.0.0/15 131.1K
0.0%
AS21928 US California Los Angeles
166.226.0.0/15 131.1K
59.5%
AS6614 US Illinois Aledo
172.42.0.0/15 131.1K
0.0%
AS21928 US
172.58.0.0/15 131.1K
0.0%
AS21928 US Wisconsin Milwaukee
65.76.0.0/16 65.5K
0.0%
AS21928 US California Yorba Linda
74.60.0.0/16 65.5K
0.0%
AS21928 US
166.225.0.0/16 65.5K
59.2%
AS6614 US
166.236.0.0/16 65.5K
71.8%
AS6614 US Maine Bangor
167.20.0.0/16 65.5K
0.0%
AS21928 US Connecticut New Fairfield
168.73.0.0/16 65.5K
0.0%
AS21928 US Illinois Chicago
170.206.0.0/16 65.5K
0.0%
AS21928 US North Carolina Charlotte
172.41.0.0/16 65.5K
0.0%
AS21928 US
172.56.0.0/16 65.5K
0.0%
AS21928 US Georgia Atlanta
166.181.0.0/17 32.8K
6.1%
AS6614 US Iowa Newton
166.224.0.0/17 32.8K
64.5%
AS6614 US
172.41.128.0/17 32.8K
0.0%
AS21928 US
72.250.0.0/18 16.4K
0.0%
AS21928 US Texas Dallas
166.181.192.0/18 16.4K
13.9%
AS6614 US California San Jose
166.182.128.0/18 16.4K
0.0%
AS18933 US Georgia Atlanta
166.224.128.0/18 16.4K
64.6%
AS6614 US
166.224.192.0/18 16.4K
65.5%
AS18933 US Wisconsin Montello
172.40.0.0/18 16.4K
0.0%
AS21928 US
172.40.192.0/18 16.4K
0.0%
AS21928 US
172.41.64.0/18 16.4K
0.0%
AS21928 US
198.227.64.0/18 16.4K
0.0%
AS6614 US
64.13.32.0/19 8.2K
0.0%
AS17133 US Michigan Farmington Hills
66.94.0.0/19 8.2K
0.8%
AS21928 US Washington Seattle
166.181.128.0/19 8.2K
0.0%
AS6614 US
166.182.32.0/19 8.2K
0.0%
AS18933 US
166.182.96.0/19 8.2K
0.0%
AS18933 US Georgia Atlanta
166.182.192.0/19 8.2K
0.0%
AS18933 US
172.40.0.0/19 8.2K
0.0%
AS21928 US
172.40.64.0/19 8.2K
0.0%
AS21928 US
172.40.160.0/19 8.2K
0.0%
AS21928 US
172.40.192.0/19 8.2K
0.0%
AS21928 US
172.41.32.0/19 8.2K
0.0%
AS21928 US
198.227.0.0/19 8.2K
0.0%
AS6614 US
198.227.128.0/19 8.2K
0.0%
AS6614 US
198.227.192.0/19 8.2K
0.0%
AS6614 US
208.54.96.0/19 8.2K
0.7%
AS21928 US New York Rochester
208.54.128.0/19 8.2K
2.6%
AS21928 US Washington Redmond
64.13.16.0/20 4.1K
0.0%
AS17133 US Illinois Rockford
64.13.112.0/20 4.1K
0.0%
AS17133 US Wisconsin Kenosha
72.250.64.0/20 4.1K
0.0%
AS21928 US Missouri Kansas City
72.250.96.0/20 4.1K
0.0%
AS21928 US
166.181.160.0/20 4.1K
0.0%
AS18933 US Maryland Oakland
166.181.176.0/20 4.1K
0.0%
AS6614 US District of Columbia Washington
166.182.16.0/20 4.1K
0.0%
AS18933 US
166.182.64.0/20 4.1K
9.1%
AS18933 US Tennessee Knoxville
166.182.160.0/20 4.1K
0.0%
AS18933 US
166.182.224.0/20 4.1K
0.0%
AS18933 US
172.40.112.0/20 4.1K
0.0%
AS21928 US
172.40.128.0/20 4.1K
0.0%
AS21928 US
172.40.160.0/20 4.1K
0.0%
AS21928 US
172.40.224.0/20 4.1K
0.0%
AS21928 US
172.41.0.0/20 4.1K
0.0%
AS21928 US
174.141.208.0/20 4.1K
1.8%
AS21928 US Michigan Washington
198.227.32.0/20 4.1K
0.0%
AS6614 US
198.227.160.0/20 4.1K
0.0%
AS6614 US
198.230.224.0/20 4.1K
0.3%
AS6614 US California San Jose
208.54.0.0/20 4.1K
0.7%
AS21928 US California Sacramento
208.54.48.0/20 4.1K
0.4%
AS21928 US Texas Dallas
208.54.64.0/20 4.1K
0.2%
AS21928 US Alabama Birmingham
64.13.8.0/21 2.0K
0.0%
AS17133 US Wisconsin Kenosha
64.13.32.0/21 2.0K
0.0%
AS17133 US
64.13.64.0/21 2.0K
0.0%
AS17133 US California Palmdale
166.182.8.0/21 2.0K
0.0%
AS18933 US North Carolina Spruce Pine
166.182.80.0/21 2.0K
71.3%
AS6614 US Georgia Atlanta
166.182.248.0/21 2.0K
70.5%
AS6614 US Virginia Ashburn
172.40.32.0/21 2.0K
0.0%
AS21928 US
172.40.56.0/21 2.0K
0.0%
AS21928 US
172.40.104.0/21 2.0K
0.0%
AS21928 US
172.40.112.0/21 2.0K
0.0%
AS21928 US
172.40.144.0/21 2.0K
0.0%
AS21928 US
172.40.176.0/21 2.0K
0.0%
AS21928 US
172.40.240.0/21 2.0K
0.0%
AS21928 US
172.40.248.0/21 2.0K
0.0%
AS21928 US
172.41.24.0/21 2.0K
0.0%
AS21928 US
198.227.48.0/21 2.0K
0.0%
AS6614 US
198.227.176.0/21 2.0K
0.0%
AS6614 US
198.227.224.0/21 2.0K
0.0%
AS6614 US
198.227.240.0/21 2.0K
0.0%
AS6614 US
208.54.24.0/21 2.0K
0.8%
AS21928 US Washington Seattle
208.54.40.0/21 2.0K
0.2%
AS21928 US District of Columbia Washington
208.54.88.0/21 2.0K
0.5%
AS21928 US Pennsylvania Philadelphia
64.13.72.0/22 1.0K
0.0%
AS17133 US California Oceanside
104.152.20.0/22 1.0K
0.0%
AS21928 US
165.27.240.0/22 1.0K
1.1%
AS18933 US Tennessee Knoxville
165.27.244.0/22 1.0K
1.3%
AS6614 US Tennessee Knoxville
166.182.0.0/22 1.0K
0.0%
AS18933 US Georgia Atlanta
166.182.92.0/22 1.0K
0.0%
AS18933 US
172.40.44.0/22 1.0K
0.0%
AS21928 US
172.40.48.0/22 1.0K
0.0%
AS21928 US

Frequently Asked Questions

How many IP addresses does T-Mobile USA, Inc. own?

T-Mobile USA, Inc. controls 13.74M IPv4 addresses distributed across 177 CIDR ranges. The organization is registered in United States.

What ASNs does T-Mobile USA, Inc. operate?

T-Mobile USA, Inc. operates 5 Autonomous Systems. Each ASN represents an independently routed network that T-Mobile USA, Inc. manages for internet traffic delivery.

What countries does T-Mobile USA, Inc. serve?

T-Mobile USA, Inc. has IP address allocations in 2 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is T-Mobile USA, Inc.?

T-Mobile USA, Inc. is categorized as mobile. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-09-10 05:09:06 UTC
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