Autonomous System

AS21928 T-Mobile USA, Inc.

ISPActiveUnited StatesARIN

AS21928 (T-MOBILE-AS21928) is an ISP network operated by T-Mobile USA, Inc. in United States, registered with ARIN. It has 149 IPv4 prefixes with 13,884,672 addresses and 60 IPv6 prefixes, which makes it the 50th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses13,884,672in 149 prefixes
IPv6 prefixes60≈ 1.4 × 10³⁰ addresses
Size rank#50of 82,558 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationT-Mobile USA, Inc.
AS nameT-MOBILE-AS21928
Websitet-mobile.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@t-mobile.com
Registered2002-06-12
Last updated2012-02-24

IPv4 prefixes

149 prefixes · 13,884,672 addresses
NetworkAddressesFirst – last address
100.128.0.0/98,388,608100.128.0.0 – 100.255.255.255
162.160.0.0/112,097,152162.160.0.0 – 162.191.255.255
172.32.0.0/112,097,152172.32.0.0 – 172.63.255.255
162.184.0.0/15131,072162.184.0.0 – 162.185.255.255
172.58.0.0/15131,072172.58.0.0 – 172.59.255.255
65.76.0.0/1665,53665.76.0.0 – 65.76.255.255
74.60.0.0/1665,53674.60.0.0 – 74.60.255.255
162.190.0.0/1665,536162.190.0.0 – 162.190.255.255
162.191.0.0/1665,536162.191.0.0 – 162.191.255.255
167.20.0.0/1665,536167.20.0.0 – 167.20.255.255
172.56.0.0/1665,536172.56.0.0 – 172.56.255.255
72.250.0.0/1732,76872.250.0.0 – 72.250.127.255
75.122.0.0/1732,76875.122.0.0 – 75.122.127.255
75.122.128.0/1732,76875.122.128.0 – 75.122.255.255
75.123.0.0/1732,76875.123.0.0 – 75.123.127.255
75.123.128.0/1732,76875.123.128.0 – 75.123.255.255
162.186.0.0/1732,768162.186.0.0 – 162.186.127.255
162.186.128.0/1732,768162.186.128.0 – 162.186.255.255
162.187.0.0/1732,768162.187.0.0 – 162.187.127.255
162.187.128.0/1732,768162.187.128.0 – 162.187.255.255
168.73.0.0/1732,768168.73.0.0 – 168.73.127.255
168.73.128.0/1732,768168.73.128.0 – 168.73.255.255
170.206.0.0/1732,768170.206.0.0 – 170.206.127.255
170.206.128.0/1732,768170.206.128.0 – 170.206.255.255
208.54.0.0/1732,768208.54.0.0 – 208.54.127.255
The 25 largest of 149. The API and the database have all of them.

IPv6 prefixes

60 prefixes
  • 2607:fb90::/28
  • 2607:fb90::/32
  • 2607:fb90:6c00::/38
  • 2607:fb90:500::/40
  • 2607:fb90:800::/40
  • 2607:fb90:d00::/40
  • 2607:fb90:1c00::/40
  • 2607:fb90:2d00::/40
  • 2607:fb90:3900::/40
  • 2607:fb90:3e00::/40
  • 2607:fb90:4500::/40
  • 2607:fb90:5c00::/40
  • 2607:fb90:6d00::/40
  • 2607:fb90:7900::/40
  • 2607:fb90:8a00::/40
  • 2607:fb90:8d00::/40
  • 2607:fb90:9000::/40
  • 2607:fb90:9100::/40
  • 2607:fb90:9500::/40
  • 2607:fb90:9a00::/40
  • 2607:fb90:9b00::/40
  • 2607:fb90:b300::/40
  • 2607:fb90:bb00::/40
  • 2607:fb90:bd00::/40
  • 2607:fb90:be00::/40
The 25 largest of 60. The API and the database have all of them.

Query AS21928 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS21928&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21928, with or without a key:

curl "https://api.ipapi.is/?q=100.128.0.1"

Other networks of T-Mobile USA, Inc.

AS6614 T-Mobile USA, Inc.354,816 IPv4 addressesAS18933 T-Mobile USA, Inc.26,624 IPv4 addressesAS17133 T-Mobile USA, Inc.22,016 IPv4 addresses

Largest networks in United States

AS749 United States Department of Defense (DoD)227,398,656 IPv4 addressesAS16509 Amazon.com, Inc.218,488,832 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,056 IPv4 addressesAS8075 Microsoft Corporation81,467,904 IPv4 addressesAS721 United States Department of Defense (DoD)72,988,416 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,664 IPv4 addresses