T-Mobile USA, Inc.
United States
US
33
announced
13,186,304
0 IPv6
ARIN
regional registry
Prefix size breakdown
Distribution of the 33 BGP prefixes announced by AS21928 grouped by CIDR length.
/9
1
/11
2
/15
2
/16
4
/18
1
/19
3
/20
6
/21
3
/22
5
/23
3
/24
3
First: 65.76.0.0/16 · Last: 208.54.128.0/19
Top cities by IPv4 footprint
Cities where AS21928's prefixes resolve, weighted by address count.
Charlotte
North Carolina, US
84.2%
Chicago
Illinois, US
5.3%
Gadsden
Alabama, US
5.3%
Washington
District of Columbia, US
4.9%
Spokane
Washington, US
0.3%
Announced prefixes
33 prefixes
Other ASNs in United States
- AS749United States Department of Defense DoD2,715
- AS7018AT&T Enterprises, LLC22,556
- AS7922Comcast Cable Communications, LLC26,172
- AS701Verizon Business15,055
- AS721United States Department of Defense DoD5,112
- AS3356Level 3 Parent, LLC4,486
- AS174Cogent Communications, LLC8,915
- AS14618Amazon.com, Inc.980
- AS6167Verizon Business1,513
- AS714Apple Inc.30
Verify on third-party BGP tools
Cross-check AS21928 on public looking-glass and BGP-data sites.
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