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Organization

T-Mobile USA, Inc.

IPv4 addresses
13,743,104
CIDR ranges
116
Category
mobile
BGP prefixes announced
379

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 v1.1.0 — 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
Parent
Deutsche Telekom
Employees
38,000

Operates 2 networks present at 16 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 36 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
100.160.0.0/11 2.10M
0.0%
AS21928 US
162.160.0.0/11 2.10M
0.0%
AS21928 US Illinois Chicago
172.32.0.0/11 2.10M
0.7%
AS21928 US Georgia Stone Mountain
100.208.0.0/12 1.05M
0.0%
AS21928 US
100.224.0.0/12 1.05M
0.0%
AS21928 US
162.176.0.0/12 1.05M
0.0%
AS21928 US Illinois Chicago
172.32.0.0/12 1.05M
0.0%
AS21928 US
100.136.0.0/13 524.3K
0.0%
AS21928 US
100.152.0.0/13 524.3K
0.0%
AS21928 US
100.240.0.0/13 524.3K
0.0%
AS21928 US
162.160.0.0/13 524.3K
0.0%
AS21928 US Indiana Fort Wayne
172.48.0.0/13 524.3K
0.0%
AS21928 US
100.132.0.0/14 262.1K
0.0%
AS21928 US
100.144.0.0/14 262.1K
0.0%
AS21928 US
100.192.0.0/14 262.1K
0.0%
AS21928 US
100.204.0.0/14 262.1K
0.0%
AS21928 US
100.248.0.0/14 262.1K
0.0%
AS21928 US
162.168.0.0/14 262.1K
0.0%
AS21928 US Arizona Prescott
166.224.0.0/14 262.1K
0.0%
AS6614 US Iowa Muscatine
172.60.0.0/14 262.1K
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
100.130.0.0/15 131.1K
0.0%
AS21928 US
100.148.0.0/15 131.1K
0.0%
AS21928 US
100.196.0.0/15 131.1K
0.0%
AS21928 US
100.202.0.0/15 131.1K
0.0%
AS21928 US
100.252.0.0/15 131.1K
0.0%
AS21928 US
162.174.0.0/15 131.1K
0.0%
AS21928 US
166.226.0.0/15 131.1K
59.5%
AS6614 US Iowa Muscatine
172.56.0.0/15 131.1K
0.0%
AS21928 US California Rialto
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
100.129.0.0/16 65.5K
0.0%
AS21928 US
100.151.0.0/16 65.5K
0.0%
AS21928 US
100.198.0.0/16 65.5K
0.0%
AS21928 US
100.201.0.0/16 65.5K
0.0%
AS21928 US
100.255.0.0/16 65.5K
0.0%
AS21928 US Washington Seattle
162.172.0.0/16 65.5K
0.0%
AS21928 US Connecticut Hartford
166.181.0.0/16 65.5K
0.0%
AS6614 US Iowa Iowa City
166.182.0.0/16 65.5K
0.0%
AS6614 US Virginia Boones Mill
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 Michigan Saranac
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
172.58.0.0/16 65.5K
0.0%
AS21928 US California Long Beach
198.227.0.0/16 65.5K
0.0%
AS6614 US
100.128.128.0/17 32.8K
0.0%
AS21928 US
100.150.0.0/17 32.8K
0.0%
AS21928 US
100.199.128.0/17 32.8K
0.0%
AS21928 US
100.254.0.0/17 32.8K
0.0%
AS21928 US
162.173.0.0/17 32.8K
0.0%
AS21928 US
166.181.0.0/17 32.8K
6.1%
AS6614 US Iowa Iowa City
166.224.0.0/17 32.8K
64.5%
AS6614 US
172.59.128.0/17 32.8K
0.0%
AS21928 US Ohio Columbus
72.250.0.0/18 16.4K
0.0%
AS21928 US Texas Dallas
100.128.64.0/18 16.4K
0.0%
AS21928 US
100.150.128.0/18 16.4K
0.0%
AS21928 US
100.199.64.0/18 16.4K
0.0%
AS21928 US
100.200.64.0/18 16.4K
0.0%
AS21928 US
100.200.192.0/18 16.4K
0.0%
AS21928 US
100.254.128.0/18 16.4K
0.0%
AS21928 US
162.173.128.0/18 16.4K
0.0%
AS21928 US
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 Madison
172.59.64.0/18 16.4K
0.0%
AS21928 US Florida Jacksonville
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
100.128.32.0/19 8.2K
0.0%
AS21928 US
100.150.192.0/19 8.2K
0.0%
AS21928 US
100.199.32.0/19 8.2K
0.0%
AS21928 US
100.200.32.0/19 8.2K
0.0%
AS21928 US
100.200.160.0/19 8.2K
0.0%
AS21928 US
100.254.192.0/19 8.2K
0.0%
AS21928 US
162.173.192.0/19 8.2K
0.0%
AS21928 US
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
172.59.32.0/19 8.2K
0.0%
AS21928 US California Fresno
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
100.128.16.0/20 4.1K
0.0%
AS21928 US
100.150.224.0/20 4.1K
0.0%
AS21928 US
100.199.16.0/20 4.1K
0.0%
AS21928 US
100.200.16.0/20 4.1K
0.0%
AS21928 US
100.200.128.0/20 4.1K
0.0%
AS21928 US
100.254.224.0/20 4.1K
0.0%
AS21928 US
162.173.240.0/20 4.1K
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 116 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 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: 2026-07-21 14:55:31 UTC
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