ASN Lookup Tool

AT&T Enterprises, LLC US US 37 Routes

AS Data

AS4473

AS4473 – AT&T Enterprises, LLC

AS Number 4473
AS Name ATTIS-ASN4473
Organization AT&T Enterprises, LLC(ael-360)
Country US
Number of IPv4 Routes 35
Number of IPv6 Routes 2
ASN type ISP
Registry ARIN
Date Allocated 1995-03-08

ASN Intelligence API for production workflows

Use ASN data for AS4473 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
12.226.123.0/24 256
207.140.216.0/23 512
209.37.107.0/24 256
209.65.163.0/24 256
151.107.0.0/20 4096
209.37.109.0/24 256
209.37.104.0/24 256
12.97.148.0/24 256
12.29.119.0/24 256
12.96.46.0/24 256

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:       4473
ASName:         ATTIS-ASN4473
ASHandle:       AS4473
RegDate:        1995-03-08
Updated:        2024-12-05    
Ref:            https://rdap.arin.net/registry/autnum/4473



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

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

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

Abuse Contacts

abuse@att.net

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Frequently Asked Questions

ASN AS4473 is an Autonomous System Number used to identify a network for BGP internet routing.
AS4473 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.