AS20057 AT&T Mobility LLC Network Details

AS20057 is an autonomous system number (ASN) managed by AT&T Mobility LLC. The registry was last assigned on 20 Mar 2001 with 7,142,230 IP addresses active in the network. AS20057 network's IP addresses are assigned by the American Registry for Internet Numbers (ARIN), the regional internet registry (RIR) for North American IP addresses.

A sample hostname from the network is available at mobile000.mycingular.net (32.176.0.0). Average ping response times for the AT&T Mobility LLC network are 35.40 milliseconds. Based on our research of active subnet ranges, there are no active IPv6 addresses and 7,142,230 IPv4 addresses assigned to AT&T Mobility LLC.

AS20057 Network Report

Lookup details for the AT&T Mobility LLC network.

Network Name	AS20057 AT&T Mobility LLC
Network ISP	AT&T Mobility LLC
Network Organization	AT&T Global Network Services, LLC
Registry Status	Active — Allocated under ARIN
Registry Date	20 Mar 2001
Total IPv4 Addresses	7,142,230
Total IPv6 Addresses	0

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AS20057 IPv4 Address Subnets

32.176.0.0/18	Washington D.C., District of Columbia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.176.64.0/18	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.176.128.0/18	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.176.192.0/18	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.177.0.0/16	Chicago, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.177.0.0/18	Chicago, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.177.64.0/18	Charleston, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.177.128.0/18	Charleston, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.177.192.0/18	Chicago, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.178.0.0/16	Chicago, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.178.0.0/18	Chicago, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.178.64.0/18	Chicago, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.178.128.0/18	Charleston, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.178.192.0/18	Charleston, Illinois	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.179.0.0/16	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.179.0.0/18	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.179.64.0/18	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.179.128.0/18	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
32.179.192.0/18	Atlanta, Georgia	AT&T Mobility LLC	AT&T Global Network Services, LLC
62.200.10.0/23	Milan, Lombardy	At&t Mobility LLC	AT&T GNS EMEA Customer LANs
66.102.186.0/24	Atlanta, Georgia	AT&T Mobility LLC
107.72.96.0/22	Redmond, Washington	AT&T Mobility LLC
107.72.162.0/24	Perry, Florida	AT&T Mobility LLC
107.72.163.0/24	Perry, Florida	AT&T Mobility LLC
107.72.164.0/24	Redmond, Washington	AT&T Mobility LLC
107.72.165.0/24	Perry, Florida	AT&T Mobility LLC
107.72.174.0/24	Lakeland, Florida	AT&T Mobility LLC
107.72.176.0/24	Redmond, Washington	AT&T Mobility LLC
107.72.177.0/24	Perry, Florida	AT&T Mobility LLC
107.72.178.0/24	Jacksonville, Florida	AT&T Mobility LLC
107.72.225.0/24	Redmond, Washington	AT&T Mobility LLC
107.77.64.0/24	Redmond, Washington	AT&T Mobility LLC
107.77.65.0/24	Bryan, Texas	AT&T Mobility LLC
107.77.66.0/24	Redmond, Washington	AT&T Mobility LLC
107.77.67.0/24	Victoria, Texas	AT&T Mobility LLC
107.77.68.0/24	Goose Creek, South Carolina	AT&T Mobility LLC

Network Latency Stats

Based on testing from worldwide server locations, average response time has been rated as fast at 35.40 milliseconds.

What is an Autonomous System (AS)?

Autonomous System (AS) numbers group IP address networks and routing prefixes with the same external routing protocols. For example, all IP addresses managed by an organization are typically listed in the same AS network group. This could include all IP address prefixes managed by a university, corporate entity, internet service provider, or similar organization. Autonomous systems are useful for organizing the internet's IP addresses by the administrative entities which manage each IP address subnet. If an organization has multiple routing policies then a unique AS number will be assigned to each group of IP addresses.

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