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 147 IPv4 prefixes with 13,885,952 addresses and 68 IPv6 prefixes, which makes it the 51st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses13,885,952in 147 prefixes
IPv6 prefixes68≈ 1.4 × 10³⁰ addresses
Size rank#51of 82,200 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

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

IPv4 prefixes

147 prefixes · 13,885,952 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 147. The API and the database have all of them.

IPv6 prefixes

68 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:fb90:3300::/40
  • 2607:fb90:3700::/40
  • 2607:fb90:3900::/40
  • 2607:fb90:3e00::/40
  • 2607:fb90:4500::/40
  • 2607:fb90:5c00::/40
  • 2607:fb90:6d00::/40
  • 2607:fb90:7400::/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
The 25 largest of 68. 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.

Largest networks in United States