AT&T Corp.

AS 3423 ATTIS-ASN3423

AT&T Corp.

AS 3423 ATTIS-ASN3423


Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

  70,912 IP addresses

  Network
ASN3423
NameATTIS-ASN3423
OrganizationAT&T Corp.
CountryUnited States  
RegistryARIN


  Details
IPv4 addresses70,912
IPv6 /64 networks216
Prefixes10




  Prefixes for AS3423
IPv4 addresses
Network Location Addresses
AT&T Services   Finksburg 256
AT&T Services   Washington D.C. 256
AT&T WorldNet Services   Richmond 256
AT&T Corp.   Rockville 32,768
AT&T Corp.   Rockville 32,768
AT&T Corp.   Philadelphia 256
AT&T Corp.   Philadelphia 256
AT&T Corp.   Alexandria (Eisenhower East) 2,048
AT&T Corp.   Alexandria (Eisenhower East) 2,048

IPv6 addresses
Network Location /64 Prefixes
U.S. Agency International Development   Washington D.C. (Hill East) 216