Data as of Nov 6, 2026

64.123.0.0/16

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC

Announcement

this exact prefix

No RPKI

Announced by

AS7018

Type

Residential

96% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder
64.123.22.0/24 since May 2012	AS25993	Business	AT&T Enterprises, LLC
64.123.96.0/21 since Dec 2014	AS17064	Residential	AT&T Enterprises, LLC via BANDWIDTH.COM
64.123.96.0/24 since Jul 2022	AS17064	Residential	AT&T Enterprises, LLC via BANDWIDTH.COM
64.123.104.0/23 since Jul 2020	AS17064	Residential	AT&T Enterprises, LLC
64.123.246.0/24 since May 2009	AS2386	Unknown	AT&T Enterprises, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
64.123.0.0/16	65,536	SBCIS-SIS80	AT&T Enterprises, LLC (AEL-360) · US	Direct Allocation	Jul 10, 2000	abuse@att.net
└ 64.123.0.0/29	8	SBCIS-100822-1019	unknown	—	—	—
└ 64.123.0.8/29	8	SBCIS-100823-101358	unknown	—	—	—
└ 64.123.0.16/29	8	SBCIS-100823-17402	unknown	—	—	—
└ 64.123.0.24/29	8	SBCIS-100824-85451	unknown	—	—	—
└ 64.123.0.32/29	8	SBCIS-100824-121527	unknown	—	—	—
└ 64.123.0.40/29	8	SBCIS-100824-172226	unknown	—	—	—
└ 64.123.0.64/29	8	SBC064123000064020621	unknown	—	—	—
└ 64.123.0.80/29	8	SBCIS-100830-10052	unknown	—	—	—
└ 64.123.0.88/29	8	SBCIS-100831-111749	unknown	—	—	—
└ 64.123.0.96/29	8	SBCIS-100831-132023	unknown	—	—	—
└ 64.123.0.104/29	8	SBCIS-100831-133312	unknown	—	—	—
└ 64.123.0.120/29	8	SBCIS-100831-15503	unknown	—	—	—
└ 64.123.0.128/29	8	SBCIS-100831-161110	unknown	—	—	—
└ 64.123.0.136/29	8	SBCIS-100831-16205	unknown	—	—	—
└ 64.123.0.144/29	8	SBCIS-100831-16229	unknown	—	—	—
└ 64.123.0.152/29	8	SBC064123000152030409	unknown	—	—	—
└ 64.123.0.184/29	8	SBCIS-10092-134738	unknown	—	—	—
└ 64.123.0.208/29	8	SBCIS-10097-8224	unknown	—	—	—
└ 64.123.0.224/29	8	SBCIS-100911-12366	unknown	—	—	—
└ 64.123.0.240/29	8	SBCIS-100915-10263	unknown	—	—	—
└ 64.123.0.248/29	8	SBCIS-100915-103945	unknown	—	—	—
└ 64.123.1.8/29	8	SBCIS-100919-1095	unknown	—	—	—
└ 64.123.1.16/29	8	SBC064123001016030414	unknown	—	—	—
└ 64.123.1.32/29	8	SBCIS-100921-10473	unknown	—	—	—
└ 64.123.1.48/29	8	SBCIS-100925-9849	unknown	—	—	—
└ 64.123.1.64/29	8	SBCIS-100925-142640	unknown	—	—	—
└ 64.123.1.72/29	8	SBCIS-100925-165752	unknown	—	—	—
└ 64.123.1.80/29	8	SBCIS-100926-124542	unknown	—	—	—
└ 64.123.1.96/29	8	SBCIS-100926-173055	unknown	—	—	—
└ 64.123.1.120/29	8	SBCIS-100928-14235	unknown	—	—	—
└ 64.123.1.128/29	8	SBC06412300112829050519140704	unknown	—	—	—
└ 64.123.1.136/29	8	SBC06412300113629050520015922	unknown	—	—	—
└ 64.123.1.144/29	8	SBC06412300114429050526014308	unknown	—	—	—
└ 64.123.1.152/29	8	SBC06412300115229050527234818	unknown	—	—	—
└ 64.123.1.160/29	8	SBCIS-100929-83938	unknown	—	—	—
└ 64.123.1.168/29	8	SBCIS-100929-94723	unknown	—	—	—
└ 64.123.1.192/29	8	SBCIS-100929-152216	unknown	—	—	—
└ 64.123.1.200/29	8	SBCIS-100104-8569	unknown	—	—	—
└ 64.123.1.208/29	8	SBCIS-100104-10340	unknown	—	—	—
└ 64.123.1.216/29	8	SBCIS-100104-151112	unknown	—	—	—
└ 64.123.1.224/29	8	SBCIS-100104-165342	unknown	—	—	—
└ 64.123.1.232/29	8	SBCIS-100104-165657	unknown	—	—	—
└ 64.123.1.240/29	8	SBCIS-100104-1714	unknown	—	—	—
└ 64.123.1.248/29	8	SBCIS-100104-17314	unknown	—	—	—
└ 64.123.2.0/29	8	SBCIS-100105-13340	unknown	—	—	—
└ 64.123.2.8/29	8	SBCIS-100105-153928	unknown	—	—	—
└ 64.123.2.32/29	8	SBCIS-100106-104644	unknown	—	—	—
└ 64.123.2.40/29	8	SBCIS-100106-122717	unknown	—	—	—
└ 64.123.2.56/29	8	SBCIS-100106-152213	unknown	—	—	—
└ 64.123.2.72/29	8	SBC064123002072020904	unknown	—	—	—
└ 64.123.2.80/29	8	SBCIS-1001010-111228	unknown	—	—	—
└ 64.123.2.88/29	8	SBC064123002088030819	unknown	—	—	—
└ 64.123.2.96/29	8	SBC064123002096020412	unknown	—	—	—
└ 64.123.2.104/29	8	SBCIS-1001016-155337	unknown	—	—	—
└ 64.123.2.112/29	8	SBCIS-1001017-101622	unknown	—	—	—
└ 64.123.2.120/29	8	SBCIS-1001017-125931	unknown	—	—	—
└ 64.123.2.128/29	8	SBCIS-1001018-104313	unknown	—	—	—
└ 64.123.2.144/29	8	SBCIS-1001019-9373	unknown	—	—	—
└ 64.123.2.160/27	32	SBCIS-1001018-153947	unknown	—	—	—
└ 64.123.2.192/29	8	SBC064123002192020328	unknown	—	—	—
└ 64.123.2.200/29	8	SBC064123002200021119	unknown	—	—	—
└ 64.123.2.208/29	8	SBCIS-1001023-132850	unknown	—	—	—
└ 64.123.2.216/29	8	SBCIS-1001023-141311	unknown	—	—	—
└ 64.123.2.232/29	8	SBCIS-1001023-155818	unknown	—	—	—
└ 64.123.2.240/29	8	SBCIS-1001023-16444	unknown	—	—	—
└ 64.123.2.248/29	8	SBCIS-1001024-153340	unknown	—	—	—
└ 64.123.3.8/29	8	SBCIS-1001025-92054	unknown	—	—	—
└ 64.123.3.24/29	8	SBCIS-1001025-105427	unknown	—	—	—
└ 64.123.3.32/29	8	SBCIS-1001025-133430	unknown	—	—	—
└ 64.123.3.40/29	8	SBC06412300304029040723035752	unknown	—	—	—
└ 64.123.3.48/29	8	SBCIS-1001027-154825	unknown	—	—	—
└ 64.123.3.56/29	8	SBCIS-1001031-114811	unknown	—	—	—
└ 64.123.3.64/29	8	SBC064123003064031118	unknown	—	—	—
└ 64.123.3.72/29	8	SBC064123003072020620	unknown	—	—	—
└ 64.123.3.80/29	8	SBCIS-100112-142920	unknown	—	—	—
└ 64.123.3.88/29	8	SBC064123003088030915	unknown	—	—	—
└ 64.123.3.104/29	8	SBCIS-100116-141718	unknown	—	—	—
└ 64.123.3.112/29	8	SBCIS-100118-172520	unknown	—	—	—
└ 64.123.3.128/29	8	SBCIS-1001110-11013	unknown	—	—	—
└ 64.123.3.136/29	8	SBCIS-1001110-121550	unknown	—	—	—
└ 64.123.3.144/29	8	SBCIS-101530-94456	unknown	—	—	—
└ 64.123.3.160/29	8	SBC064123003160030417	unknown	—	—	—
└ 64.123.3.176/29	8	SBCIS-1001116-113222	unknown	—	—	—
└ 64.123.3.200/29	8	SBCIS-1001117-84535	unknown	—	—	—
└ 64.123.3.216/29	8	SBCIS-1001120-121840	unknown	—	—	—
└ 64.123.3.224/29	8	SBCIS-1001120-14279	unknown	—	—	—
└ 64.123.3.232/29	8	SBC064123003232030925	unknown	—	—	—
└ 64.123.3.240/29	8	SBCIS-1001121-9444	unknown	—	—	—
└ 64.123.4.0/29	8	SBCIS-100118-17162	unknown	—	—	—
└ 64.123.4.16/29	8	SBCIS-100119-94819	unknown	—	—	—
└ 64.123.4.24/29	8	SBCIS-1001113-161529	unknown	—	—	—
└ 64.123.4.32/27	32	SBCIS-1001113-141631	unknown	—	—	—
└ 64.123.4.64/29	8	SBCIS-1001113-16389	unknown	—	—	—
└ 64.123.4.88/29	8	SBCIS-101516-9235	unknown	—	—	—
└ 64.123.4.96/29	8	SBC064123004096020613	unknown	—	—	—
└ 64.123.4.120/29	8	SBC064123004120020625	unknown	—	—	—
└ 64.123.4.128/29	8	SBCIS-1001116-18050	unknown	—	—	—
└ 64.123.4.136/29	8	SBC064123004136020819	unknown	—	—	—
└ 64.123.4.144/29	8	SBCIS-1001117-14435	unknown	—	—	—
└ 64.123.4.200/29	8	SBCIS-1001120-164732	unknown	—	—	—
└ 64.123.4.208/29	8	SBCIS-1001120-192016	unknown	—	—	—
└ 64.123.4.216/29	8	SBC064123004216030317	unknown	—	—	—
└ 64.123.4.224/29	8	SBCIS-1001121-15521	unknown	—	—	—
└ 64.123.4.232/29	8	SBCIS-1001127-11821	unknown	—	—	—
└ 64.123.4.240/29	8	SBCIS-1001127-13138	unknown	—	—	—
└ 64.123.4.248/29	8	SBCIS-1001127-135954	unknown	—	—	—
└ 64.123.5.0/29	8	SBC06412300500029040412165259	unknown	—	—	—
└ 64.123.5.32/29	8	SBCIS-1001128-1307	unknown	—	—	—
└ 64.123.5.40/29	8	SBCIS-1001128-131215	unknown	—	—	—
└ 64.123.5.48/29	8	SBCIS-1001129-11232	unknown	—	—	—
└ 64.123.5.56/29	8	SBCIS-1001129-155335	unknown	—	—	—
└ 64.123.5.64/29	8	SBCIS-1001130-114114	unknown	—	—	—
└ 64.123.5.72/29	8	SBCIS-1001130-153025	unknown	—	—	—
└ 64.123.5.88/29	8	SBCIS-100121-102043	unknown	—	—	—
└ 64.123.5.96/29	8	SBCIS-100121-144514	unknown	—	—	—
└ 64.123.5.112/29	8	SBCIS-100124-121634	unknown	—	—	—
└ 64.123.5.128/29	8	SBCIS-100124-191052	unknown	—	—	—
└ 64.123.5.144/29	8	SBC064123005144030603	unknown	—	—	—
└ 64.123.5.160/29	8	SBCIS-100125-10845	unknown	—	—	—
└ 64.123.5.168/29	8	SBCIS-100125-115220	unknown	—	—	—
└ 64.123.5.176/29	8	SBCIS-100125-172831	unknown	—	—	—
└ 64.123.5.184/29	8	SBCIS-100125-19351	unknown	—	—	—
└ 64.123.5.192/27	32	SBC064123005192030707	unknown	—	—	—
└ 64.123.5.224/29	8	SBCIS-100126-141128	unknown	—	—	—
└ 64.123.5.232/29	8	SBCIS-100126-17235	unknown	—	—	—
└ 64.123.5.240/29	8	SBCIS-100127-84921	unknown	—	—	—
└ 64.123.6.32/29	8	SBC064123006032020615	unknown	—	—	—
└ 64.123.6.48/29	8	SBC064123006048030102	unknown	—	—	—
└ 64.123.6.72/29	8	SBC064123006072020617	unknown	—	—	—
└ 64.123.6.96/29	8	SBC064123006096020621	unknown	—	—	—
└ 64.123.6.104/29	8	SBC064123006104020621	unknown	—	—	—
└ 64.123.6.112/29	8	SBC064123006112020621	unknown	—	—	—
└ 64.123.6.120/29	8	SBC064123006120020621	unknown	—	—	—
└ 64.123.7.0/27	32	SBCIS-100727-95123	unknown	—	—	—
└ 64.123.7.32/29	8	SBCIS-100731-11260	unknown	—	—	—
└ 64.123.7.40/29	8	SBCIS-100731-16427	unknown	—	—	—
└ 64.123.7.56/29	8	SBC064123007056030408	unknown	—	—	—
└ 64.123.7.64/27	32	SBCIS-10081-9715	unknown	—	—	—
└ 64.123.7.104/29	8	SBCIS-10084-132017	unknown	—	—	—
└ 64.123.7.112/29	8	SBCIS-10084-145022	unknown	—	—	—
└ 64.123.7.120/29	8	SBCIS-10084-16118	unknown	—	—	—
└ 64.123.7.144/29	8	SBCIS-10084-171852	unknown	—	—	—
└ 64.123.7.192/29	8	SBCIS-10088-10159	unknown	—	—	—
└ 64.123.7.200/29	8	SBC06412300720029040413134528	unknown	—	—	—
└ 64.123.7.216/29	8	SBCIS-10088-15119	unknown	—	—	—
└ 64.123.7.240/29	8	SBCIS-10089-15336	unknown	—	—	—
└ 64.123.7.248/29	8	SBCIS-10089-15533	unknown	—	—	—
└ 64.123.16.0/24	256	SBCIS-10088-144622	unknown	—	—	—
└ 64.123.17.8/29	8	SBC064123017008030829	unknown	—	—	—
└ 64.123.17.16/29	8	SBC064123017016030829	unknown	—	—	—
└ 64.123.17.24/29	8	SBC064123017024030904	unknown	—	—	—
└ 64.123.17.32/29	8	SBC064123017032030904	unknown	—	—	—
└ 64.123.17.48/29	8	SBC064123017048030922	unknown	—	—	—
└ 64.123.17.64/29	8	SBC064123017064030911	unknown	—	—	—
└ 64.123.17.96/29	8	SBC064123017096030915	unknown	—	—	—
└ 64.123.17.104/29	8	SBC064123017104030916	unknown	—	—	—
└ 64.123.17.112/29	8	SBC064123017112030916	unknown	—	—	—
└ 64.123.17.128/29	8	SBC06412301712829040614101922	unknown	—	—	—
└ 64.123.17.136/29	8	SBC064123017136030917	unknown	—	—	—
└ 64.123.17.144/29	8	SBC064123017144030917	unknown	—	—	—
└ 64.123.17.232/29	8	SBC064123017232030930	unknown	—	—	—
└ 64.123.17.240/29	8	SBC064123017240031215	unknown	—	—	—
└ 64.123.18.0/29	8	SBCIS-10089-161452	unknown	—	—	—
└ 64.123.18.8/29	8	SBCIS-100814-11354	unknown	—	—	—
└ 64.123.18.16/29	8	SBCIS-100822-82416	unknown	—	—	—
└ 64.123.18.24/29	8	SBCIS-100823-91655	unknown	—	—	—
└ 64.123.18.32/29	8	SBCIS-100823-152748	unknown	—	—	—
└ 64.123.18.48/29	8	SBCIS-100824-91825	unknown	—	—	—
└ 64.123.18.72/29	8	SBCIS-100829-10205	unknown	—	—	—
└ 64.123.18.80/29	8	SBCIS-100831-162416	unknown	—	—	—
└ 64.123.18.88/29	8	SBCIS-10091-153037	unknown	—	—	—
└ 64.123.18.96/27	32	SBCIS-100829-121951	unknown	—	—	—
└ 64.123.18.128/27	32	SBCIS-10096-10911	unknown	—	—	—
└ 64.123.18.160/29	8	SBCIS-10096-112954	unknown	—	—	—
└ 64.123.18.168/29	8	SBCIS-10096-115225	unknown	—	—	—
└ 64.123.18.176/29	8	SBC064123018176030819	unknown	—	—	—
└ 64.123.18.192/29	8	SBCIS-10098-113636	unknown	—	—	—
└ 64.123.18.200/29	8	SBC064123018200020819	unknown	—	—	—
└ 64.123.18.208/29	8	SBCIS-100912-152055	unknown	—	—	—
└ 64.123.18.224/29	8	SBCIS-100913-111828	unknown	—	—	—
└ 64.123.18.248/29	8	SBCIS-100913-17711	unknown	—	—	—
└ 64.123.19.0/29	8	SBCIS-100914-103637	unknown	—	—	—
└ 64.123.19.16/29	8	SBCIS-100914-16299	unknown	—	—	—
└ 64.123.19.24/29	8	SBCIS-100915-103134	unknown	—	—	—
└ 64.123.19.32/29	8	SBCIS-100915-1172	unknown	—	—	—
└ 64.123.19.48/29	8	SBC06412301904829040503134114	unknown	—	—	—
└ 64.123.19.56/29	8	SBCIS-100918-14453	unknown	—	—	—
└ 64.123.19.64/29	8	SBCIS-100918-154241	unknown	—	—	—
└ 64.123.19.72/29	8	SBCIS-100918-174250	unknown	—	—	—
└ 64.123.19.80/29	8	SBCIS-100919-85439	unknown	—	—	—
└ 64.123.19.112/29	8	SBCIS-100919-124445	unknown	—	—	—
└ 64.123.19.160/29	8	SBC064123019160020307	unknown	—	—	—
└ 64.123.19.168/29	8	SBCIS-100920-91316	unknown	—	—	—
└ 64.123.19.176/29	8	SBCIS-100920-101645	unknown	—	—	—
└ 64.123.19.184/29	8	SBCIS-100920-134431	unknown	—	—	—
└ 64.123.19.192/29	8	SBCIS-100921-161436	unknown	—	—	—
└ 64.123.19.208/29	8	SBCIS-100926-163728	unknown	—	—	—
└ 64.123.19.224/27	32	SBCIS-100925-82318	unknown	—	—	—
└ 64.123.20.0/24	256	SBC06412302000024050321103125	unknown	—	—	—
└ 64.123.21.0/28	16	SBC064123021000030805	unknown	—	—	—

← Previous1–200 of 2,255 · page 1 of 12Next →

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses

Type	Addresses	Share	Ranges
Residential	62,968	96%	14
Business	2,312	3.5%	10
Unknown	256	0.39%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS7018

Name: AT&T Enterprises, LLC
Type: Internet provider
Registered: Jul 30, 1996
Domain: att.com
Website: www.att.com
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS7132 not the origin	RADB	SBC Nationwide Backbone	MAINT-AS7132	Nov 13, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
64.123.0.0/19	AS7132	RADB	Austin, TX	MAINT-AS7132	Nov 13, 2023
64.123.32.0/20	AS7132	RADB	Richardson, TX	MAINT-AS7132	Nov 13, 2023
64.123.96.0/20	AS7132	RADB	Corpus Christi, TX	MAINT-AS7132	Nov 13, 2023
64.123.112.0/20	AS7132	RADB	Wichita, KS	MAINT-AS7132	Nov 13, 2023
64.123.128.0/20	AS7132	RADB	Waco, TX	MAINT-AS7132	Nov 13, 2023
64.123.160.0/19	AS7132	RADB	Richardson, TX	MAINT-AS7132	Nov 13, 2023
64.123.184.0/24	AS21592	RADB	RR-RC-Multi-View Inc.-North Texas	MAINT-RR	Nov 13, 2023
64.123.192.0/19	AS7132	RADB	Richardson, TX	MAINT-AS7132	Nov 13, 2023
64.123.224.0/20	AS7132	RADB	Kansas City, MO	MAINT-AS7132	Nov 13, 2023

64.123.0.0/16

Announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS7018

Who has announced this prefix

Routing history

History

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact