ASN Lookup Tool

AT&T Enterprises, LLC att.com US US 13 Routes

AS Data

AS3423

AS3423 – AT&T Enterprises, LLC

AS Number 3423
AS Name ATTIS-ASN3423
Organization AT&T Enterprises, LLC(ael-360)
Country US
Website att.com
Number of IPv4 Routes 11
Number of IPv6 Routes 2
ASN type BUSINESS
Registry ARIN
Date Allocated 1994-02-17

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Use ASN data for AS3423 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
165.224.130.0/23 512
2610:e8::/33 ~40×10²⁷
12.96.43.0/24 256
157.96.84.0/24 256
165.224.140.0/24 256
2610:e8:8000::/33 ~40×10²⁷
165.224.134.0/24 256
157.96.86.0/24 256
165.224.132.0/24 256
165.224.128.0/23 512

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       3423
ASName:         ATTIS-ASN3423
ASHandle:       AS3423
RegDate:        1994-02-17
Updated:        2024-12-05    
Ref:            https://rdap.arin.net/registry/autnum/3423



OrgName:        AT&T Enterprises, LLC
OrgId:          AEL-360
Address:        208 S. Akard St.
City:           Dallas
StateProv:      TX
PostalCode:     75202
Country:        US
RegDate:        2024-11-22
Updated:        2025-10-29
Ref:            https://rdap.arin.net/registry/entity/AEL-360


OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382 
OrgTechEmail:  rm-ipspecialist@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  DL-routing_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS13979 AT&T Enterprises, LLC US

Upstreams

AS Number Description Country
AS7018 AT&T Enterprises, LLC US

Downstreams

AS Number Description Country
AS13979 AT&T Enterprises, LLC US

Contacts

Email Contacts

DL-routing_poc@att.com ipadmin@semail.att.com rm-ipspecialist@att.com

Abuse Contacts

abuse@att.net

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Frequently Asked Questions

ASN AS3423 is an Autonomous System Number used to identify a network for BGP internet routing.
AS3423 is listed under AT&T Enterprises, LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.