AS/BGP Report -> United States -> as19956

book Summary for as19956

The Autonomous System (AS) number 19956 is assigned to AT&T Corp.. AS19956 is assigned on 2001-03-08 by the Regional Internet Registry arin. The country of registration is United States. At least 47 domains are hosted on AS19956. Examples of domains are roanestate.edu and pstcc.edu. At least 26 name servers are hosted on AS19956. Examples of name servers are ns2.pstcc.edu and ns1.pstcc.edu. There are 18 IPv4 prefixes announced by AS19956. Examples of prefixes are and There are no IPv6 prefixes announced by AS19956.

book General Information

AS number19956 (AS19956 / ASN19956)
OrganizationAT&T Corp.
CountryUnited States (US) us flag
Allocation date2001-03-08 by ARIN
Number of IPv4 addresses144,640
ASRank (based on number of IPs)1,434
Number of IP prefixes18 (IPv4) 0 (IPv6)
AS has bogon prefixesNo
Number of peers2 (IPv4) 0 (IPv6)

trending_up Hosting Summary

Number of domains hosted47
Number of adult domains hosted1
Number of name servers hosted26
Number of SPAM hosts hosted0
Number of open proxies hosted0
Number of mail servers hosted25
Number of IDN domains hosted0
Number of domains in Alexa top million2

import_export IP Prefixes and Peers

Peer V4CountryDescription
7018US us flagAT&T Services, Inc.
16473US us flagAT&T Corp.

Number of prefixes and peers for the last 360 days.


dns Hosting Details

timeline History Graphs

Number of domains, mail and name server hosted in the past on this AS.

Hosting history of domains break down by Top Level Domain (TLD) category.

AS Ranking history based on number of IPv4 addresses.


business Whois Information

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flag Country Information

CountryUnited States us flag
Area9,629,091 km²
Map of country us

announcement About this Report

The AS/BGP Report is calculated for every allocated AS number. The report is updated on a weekly basis, last updated on 2019-11-17.

The underlying DNS data is updated every 3 weeks, the Whois data is cached for about one month.

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