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 148 IPv4 prefixes with 13,884,416 addresses and 65 IPv6 prefixes, which makes it the 51st largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses13,884,416in 148 prefixes
IPv6 prefixes65≈ 1.4 × 10³⁰ addresses
Size rank#51of 82,283 active ASNs
Abuser scoreVery Low0.03% 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

148 prefixes · 13,884,416 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 148. The API and the database have all of them.

IPv6 prefixes

65 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:fb90:3900::/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:b700::/40
  • 2607:fb90:bb00::/40
The 25 largest of 65. 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