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AS20057 · AT&T Enterprises, LLC

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Summary

IP address summary information
Country
United States
Domain
att.com
ASN
AS20057AT&T Enterprises, LLC
Parent Range
107.64.0.0/10
Registry
ARIN
ID
ATT-MOBILITY-LLC

WHOIS


            ASHandle:       AS15169
            OrgID:          AS15169
            ASName:         AS15169
            ASNumber:       AS15169
            RegDate:        0000-00-00
            Updated:        0000-00-00
            TechHandle:     AA00-AAAA
            Source:         AAAA
          

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What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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