ASN AS11712 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11712?

AS11712 is listed under AT&T Services, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS11712 AT&T Services, Inc. | IPGeolocation.io

ASN Lookup Tool

AT&T Services, Inc. att.com

US 6 Routes

AS Data

AS11712

AS11712 – AT&T Services, Inc.

AS Number	11712
AS Name	BELLSOUTH
Organization	AT&T Services, Inc.(attse)
Country	US
Website	att.com
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	1998-11-23

ASN Intelligence API for production workflows

Use ASN data for AS11712 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
139.76.64.0/18	AS11712	AT&T Services, Inc.	AT&T Services, Inc.	16384
139.76.224.0/19	AS11712	AT&T Services, Inc.	AT&T Services, Inc.	8192
139.76.53.0/24	AS11712	AT&T Services, Inc.	AT&T Services, Inc.	256
139.76.8.0/21	AS11712	AT&T Services, Inc.	AT&T Services, Inc.	2048
72.157.248.0/21	AS11712	AT&T Services, Inc.	BMF BPRG Equipment CRIC CLT	2048
72.157.240.0/21	AS11712	AT&T Services, Inc.	BMF BPRG Equipment BRIC BHM	2048

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:       11712
ASName:         BELLSOUTH
ASHandle:       AS11712
RegDate:        1998-11-23
Updated:        2013-12-10    
Ref:            https://rdap.arin.net/registry/autnum/11712


OrgName:        AT&T Services, Inc.
OrgId:          ATTSE
Address:        Enterprise IP Group
Address:        c/o Ed Williams
Address:        240 N Meridian Street
Address:        Room 280
City:           Indianapolis
StateProv:      IN
PostalCode:     46204
Country:        US
RegDate:        2008-10-09
Updated:        2024-11-25
Comment:        http://www.att.com
Ref:            https://rdap.arin.net/registry/entity/ATTSE


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

OrgTechHandle: WILLI576-ARIN
OrgTechName:   Williams, Ed 
OrgTechPhone:  +1-317-265-0000 
OrgTechEmail:  ew2497@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WILLI576-ARIN

RAbuseHandle: ABUSE7-ARIN
RAbuseName:   abuse
RAbusePhone:  +1-919-319-8167 
RAbuseEmail:  abuse@att.net
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

RTechHandle: WILLI576-ARIN
RTechName:   Williams, Ed 
RTechPhone:  +1-317-265-0000 
RTechEmail:  ew2497@att.com
RTechRef:    https://rdap.arin.net/registry/entity/WILLI576-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
AS6389	BellSouth.net Inc.	US
AS797	AT&T Services, Inc.	US
AS6389	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS797	AT&T Services, Inc.	US
AS6389	AT&T Enterprises, LLC	US

Contacts

Email Contacts

ew2497@att.com

Abuse Contacts

abuse@att.net