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AS17133 T-Mobile USA, Inc.

T-FIBER - T-Mobile USA, Inc. · registered in the United States

IPv4 addresses22,0167 prefixes · <0.001% of announced IPv4
Rank in United States#2,051largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#5,820of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS17133 in ASN lookup Look up an IP in this network (64.13.6.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

  • 64.13.6.0/23
  • 64.13.8.0/21
  • 64.13.16.0/20
  • 64.13.32.0/19
  • 64.13.64.0/21
  • 64.13.72.0/22
  • 64.13.112.0/20

Other ASNs named T-Mobile USA, Inc.

4 other networks use the same organisation name; together with AS17133 they announce 13,480,448 IPv4 addresses.

ASNNameIPv4 addresses
AS21928T-MOBILE-AS21928 - T-Mobile USA, Inc. US13,121,792
AS6614USCC-ASN - T-Mobile USA, Inc. US307,968
AS18933USCC-MPLS01 - T-Mobile USA, Inc. US27,648
AS22140T-MOBILE-AS22140 - T-Mobile USA, Inc. US1,024

Similar-sized networks in United States

ASNNameIPv4 addresses
AS7086#2048 MISSISSIPPI-STATE-GOVERNMENT - Mississippi, Department of Information Technology Services (ITS)22,016
AS7762#2049 OPENTEXT - Micro Focus22,016
AS11676#2050 AS11676 - Conduent Business Services, LLC22,016
AS18624#2052 CITYOFWILSONNC - Greenlight22,016
AS26878#2053 TWRS-NYC - Natural Wireless, LLC22,016
AS46892#2054 WINNE-IPV4-1 - Winnebago Cooperative Telecom Association22,016

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources