AS3423

AT&T Enterprises, LLC

USUnknown2026-07-12

Announced prefixes 15

12.96.43.0/2412.96.44.0/24157.96.84.0/24157.96.85.0/24157.96.86.0/24165.224.128.0/23165.224.130.0/23165.224.132.0/24165.224.134.0/24165.224.136.0/24165.224.140.0/242610:e8::/332610:e8:3180::/452610:e8:3188::/452610:e8:8000::/33

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-11	AT&T Enterprises, LLC	US	Unknown	9
2026-11-10	AT&T Enterprises, LLC	US	Unknown	13
2026-11-09	AT&T Enterprises, LLC	US	Unknown	13
2026-11-08	AT&T Enterprises, LLC	US	Unknown	13
2026-11-07	AT&T Enterprises, LLC	US	Unknown	13
2026-11-06	AT&T Enterprises, LLC	US	Unknown	13
2026-11-05	AT&T Enterprises, LLC	US	Unknown	13
2026-11-04	AT&T Enterprises, LLC	US	Unknown	13
2026-11-03	AT&T Enterprises, LLC	US	Unknown	13
2026-11-02	AT&T Enterprises, LLC	US	Unknown	13
2026-11-01	AT&T Enterprises, LLC	US	Unknown	13
2026-10-31	AT&T Enterprises, LLC	US	Unknown	13
2026-10-30	AT&T Enterprises, LLC	US	Unknown	13
2026-10-29	AT&T Enterprises, LLC	US	Unknown	13
2026-10-28	AT&T Enterprises, LLC	US	Unknown	13
2026-10-27	AT&T Enterprises, LLC	US	Unknown	13
2026-10-26	AT&T Enterprises, LLC	US	Unknown	13
2026-10-25	AT&T Enterprises, LLC	US	Unknown	13
2026-10-24	AT&T Enterprises, LLC	US	Unknown	13
2026-10-23	AT&T Enterprises, LLC	US	Unknown	13
2026-10-22	AT&T Enterprises, LLC	US	Unknown	13
2026-10-21	AT&T Enterprises, LLC	US	Unknown	13
2026-10-20	AT&T Enterprises, LLC	US	Unknown	13
2026-10-19	AT&T Enterprises, LLC	US	Unknown	13
2026-10-18	AT&T Enterprises, LLC	US	Unknown	13
2026-10-17	AT&T Enterprises, LLC	US	Unknown	13
2026-10-16	AT&T Enterprises, LLC	US	Unknown	11
2026-10-15	AT&T Enterprises, LLC	US	Unknown	11
2026-10-14	AT&T Enterprises, LLC	US	Unknown	13
2026-10-13	AT&T Enterprises, LLC	US	Unknown	13
2026-10-12	AT&T Enterprises, LLC	US	Unknown	13
2026-10-11	AT&T Enterprises, LLC	US	Unknown	13
2026-10-10	AT&T Enterprises, LLC	US	Unknown	13
2026-10-09	AT&T Enterprises, LLC	US	Unknown	13
2026-10-08	AT&T Enterprises, LLC	US	Unknown	13
2026-10-07	AT&T Enterprises, LLC	US	Unknown	13
2026-10-06	AT&T Enterprises, LLC	US	Unknown	13
2026-10-05	AT&T Enterprises, LLC	US	Unknown	13
2026-10-04	AT&T Enterprises, LLC	US	Unknown	13
2026-10-03	AT&T Enterprises, LLC	US	Unknown	13
2026-10-02	AT&T Enterprises, LLC	US	Unknown	13
2026-10-01	AT&T Enterprises, LLC	US	Unknown	13
2026-09-30	AT&T Enterprises, LLC	US	Unknown	13
2026-09-29	AT&T Enterprises, LLC	US	Unknown	13
2026-09-28	AT&T Enterprises, LLC	US	Unknown	13
2026-09-27	AT&T Enterprises, LLC	US	Unknown	13
2026-09-26	AT&T Enterprises, LLC	US	Unknown	13
2026-09-25	AT&T Enterprises, LLC	US	Unknown	13
2026-09-24	AT&T Enterprises, LLC	US	Unknown	13
2026-09-23	AT&T Enterprises, LLC	US	Unknown	13
2026-09-22	AT&T Enterprises, LLC	US	Unknown	13
2026-09-21	AT&T Enterprises, LLC	US	Unknown	13
2026-09-20	AT&T Enterprises, LLC	US	Unknown	13
2026-09-19	AT&T Enterprises, LLC	US	Unknown	13
2026-09-18	AT&T Enterprises, LLC	US	Unknown	13
2026-09-17	AT&T Enterprises, LLC	US	Unknown	13
2026-09-16	AT&T Enterprises, LLC	US	Unknown	13
2026-09-15	AT&T Enterprises, LLC	US	Unknown	13
2026-09-14	AT&T Enterprises, LLC	US	Unknown	13
2026-09-13	AT&T Enterprises, LLC	US	Unknown	13
2026-09-12	AT&T Enterprises, LLC	US	Unknown	13
2026-09-11	AT&T Enterprises, LLC	US	Unknown	13
2026-09-10	AT&T Enterprises, LLC	US	Unknown	13
2026-09-09	AT&T Enterprises, LLC	US	Unknown	13
2026-09-08	AT&T Enterprises, LLC	US	Unknown	13
2026-09-07	AT&T Enterprises, LLC	US	Unknown	13
2026-09-06	AT&T Enterprises, LLC	US	Unknown	13
2026-09-05	AT&T Enterprises, LLC	US	Unknown	13
2026-09-04	AT&T Enterprises, LLC	US	Unknown	13
2026-09-03	AT&T Enterprises, LLC	US	Unknown	13
2026-09-02	AT&T Enterprises, LLC	US	Unknown	13
2026-09-01	AT&T Enterprises, LLC	US	Unknown	13
2026-08-31	AT&T Enterprises, LLC	US	Unknown	13
2026-08-30	AT&T Enterprises, LLC	US	Unknown	13
2026-08-29	AT&T Enterprises, LLC	US	Unknown	13
2026-08-28	AT&T Enterprises, LLC	US	Unknown	13
2026-08-27	AT&T Enterprises, LLC	US	Unknown	13
2026-08-26	AT&T Enterprises, LLC	US	Unknown	13
2026-08-25	AT&T Enterprises, LLC	US	Unknown	13
2026-08-24	AT&T Enterprises, LLC	US	Unknown	13
2026-08-23	AT&T Enterprises, LLC	US	Unknown	13
2026-08-22	AT&T Enterprises, LLC	US	Unknown	0
2026-08-21	AT&T Enterprises, LLC	US	Unknown	13
2026-08-20	AT&T Enterprises, LLC	US	Unknown	13
2026-08-19	AT&T Enterprises, LLC	US	Unknown	13
2026-08-18	AT&T Enterprises, LLC	US	Unknown	13
2026-08-17	AT&T Enterprises, LLC	US	Unknown	13
2026-08-16	AT&T Enterprises, LLC	US	Unknown	13
2026-08-15	AT&T Enterprises, LLC	US	Unknown	0
2026-08-14	AT&T Enterprises, LLC	US	Unknown	13
2026-08-13	AT&T Enterprises, LLC	US	Unknown	13
2026-08-12	AT&T Enterprises, LLC	US	Unknown	13
2026-08-11	AT&T Enterprises, LLC	US	Unknown	13
2026-08-10	AT&T Enterprises, LLC	US	Unknown	13
2026-08-09	AT&T Enterprises, LLC	US	Unknown	13
2026-08-08	AT&T Enterprises, LLC	US	Unknown	13
2026-08-07	AT&T Enterprises, LLC	US	Unknown	13
2026-08-06	AT&T Enterprises, LLC	US	Unknown	13
2026-08-05	AT&T Enterprises, LLC	US	Unknown	13
2026-08-04	AT&T Enterprises, LLC	US	Unknown	13
2026-08-03	AT&T Enterprises, LLC	US	Unknown	13
2026-08-02	AT&T Enterprises, LLC	US	Unknown	13
2026-08-01	AT&T Enterprises, LLC	US	Unknown	13
2026-07-31	AT&T Enterprises, LLC	US	Unknown	13
2026-07-30	AT&T Enterprises, LLC	US	Unknown	13
2026-07-29	AT&T Enterprises, LLC	US	Unknown	13
2026-07-28	AT&T Enterprises, LLC	US	Unknown	13
2026-07-27	AT&T Enterprises, LLC	US	Unknown	13
2026-07-26	AT&T Enterprises, LLC	US	Unknown	13
2026-07-25	AT&T Enterprises, LLC	US	Unknown	13
2026-07-24	AT&T Enterprises, LLC	US	Unknown	13
2026-07-23	AT&T Enterprises, LLC	US	Unknown	13
2026-07-22	AT&T Enterprises, LLC	US	Unknown	13
2026-07-21	AT&T Enterprises, LLC	US	Unknown	13
2026-07-20	AT&T Enterprises, LLC	US	Unknown	13
2026-07-19	AT&T Enterprises, LLC	US	Unknown	13
2026-07-18	AT&T Enterprises, LLC	US	Unknown	13
2026-07-17	AT&T Enterprises, LLC	US	Unknown	13
2026-07-16	AT&T Enterprises, LLC	US	Unknown	13
2026-07-15	AT&T Enterprises, LLC	US	Unknown	13
2026-07-14	AT&T Enterprises, LLC	US	Unknown	13
2026-07-13	AT&T Enterprises, LLC	US	Unknown	13
2026-07-12	AT&T Enterprises, LLC	US	Unknown	15
2026-07-11	AT&T Enterprises, LLC	US	Unknown	13
2026-07-10	AT&T Enterprises, LLC	US	Unknown	13
2026-07-09	AT&T Enterprises, LLC	US	Unknown	13
2026-07-08	AT&T Enterprises, LLC	US	Unknown	13
2026-07-07	AT&T Enterprises, LLC	US	Unknown	13
2026-07-06	AT&T Enterprises, LLC	US	Unknown	13
2026-07-05	AT&T Enterprises, LLC	US	Unknown	13
2026-07-04	AT&T Enterprises, LLC	US	Unknown	13
2026-07-03	AT&T Enterprises, LLC	US	Unknown	13
2026-07-02	AT&T Enterprises, LLC	US	Unknown	13
2026-07-01	AT&T Enterprises, LLC	US	Unknown	13
2026-06-30	AT&T Enterprises, LLC	US	Unknown	13
2026-06-29	AT&T Enterprises, LLC	US	Unknown	13
2026-06-28	AT&T Enterprises, LLC	US	Unknown	13
2026-06-27	AT&T Enterprises, LLC	US	Unknown	13
2026-06-26	AT&T Enterprises, LLC	US	Unknown	13
2026-06-25	AT&T Enterprises, LLC	US	Unknown	13
2026-06-24	AT&T Enterprises, LLC	US	Unknown	13
2026-06-23	AT&T Enterprises, LLC	US	Unknown	13
2026-06-22	AT&T Enterprises, LLC	US	Unknown	13
2026-06-21	AT&T Enterprises, LLC	US	Unknown	13
2026-06-20	AT&T Enterprises, LLC	US	Unknown	13
2026-06-19	AT&T Enterprises, LLC	US	Unknown	13
2026-06-18	AT&T Enterprises, LLC	US	Unknown	13
2026-06-17	AT&T Enterprises, LLC	US	Unknown	13
2026-06-16	AT&T Enterprises, LLC	US	Unknown	13
2026-06-15	AT&T Enterprises, LLC	US	Unknown	13
2026-06-14	AT&T Enterprises, LLC	US	Unknown	13
2026-06-13	AT&T Enterprises, LLC	US	Unknown	13

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-11-11	`12.96.44.0/24`	Released	AS3423	AS4186
2026-11-11	`157.96.84.0/24`	Released	AS3423	AS4186
2026-11-11	`157.96.85.0/24`	Released	AS3423	AS4186
2026-11-11	`157.96.86.0/24`	Released	AS3423	AS4186
2026-10-17	`12.96.43.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`12.96.44.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`157.96.84.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`157.96.85.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`157.96.86.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`165.224.128.0/23`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`165.224.130.0/23`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`165.224.132.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`165.224.134.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`165.224.136.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`165.224.140.0/24`	Origin set changed	AS3423, AS4186	AS3423
2026-10-17	`2610:e8::/33`	Acquired	AS4186	AS3423
2026-10-17	`2610:e8:8000::/33`	Acquired	AS4186	AS3423
2026-10-15	`12.96.43.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`12.96.44.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`157.96.84.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`157.96.85.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`157.96.86.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`165.224.128.0/23`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`165.224.130.0/23`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`165.224.132.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`165.224.134.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`165.224.136.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`165.224.140.0/24`	Origin set changed	AS3423	AS3423, AS4186
2026-10-15	`2610:e8::/33`	Released	AS3423	AS4186
2026-10-15	`2610:e8:8000::/33`	Released	AS3423	AS4186
2026-08-23	`12.96.43.0/24`	Acquired	AS4186	AS3423
2026-08-23	`12.96.44.0/24`	Acquired	AS4186	AS3423
2026-08-23	`157.96.84.0/24`	Acquired	AS4186	AS3423
2026-08-23	`157.96.85.0/24`	Acquired	AS4186	AS3423
2026-08-23	`157.96.86.0/24`	Acquired	AS4186	AS3423
2026-08-23	`165.224.128.0/23`	Acquired	AS4186	AS3423
2026-08-23	`165.224.130.0/23`	Acquired	AS4186	AS3423
2026-08-23	`165.224.132.0/24`	Acquired	AS4186	AS3423
2026-08-23	`165.224.134.0/24`	Acquired	AS4186	AS3423
2026-08-23	`165.224.136.0/24`	Acquired	AS4186	AS3423
2026-08-23	`165.224.140.0/24`	Acquired	AS4186	AS3423
2026-08-23	`2610:e8::/33`	Acquired	AS4186	AS3423
2026-08-23	`2610:e8:8000::/33`	Acquired	AS4186	AS3423
2026-08-22	`12.96.43.0/24`	Released	AS3423	AS4186
2026-08-22	`12.96.44.0/24`	Released	AS3423	AS4186
2026-08-22	`157.96.84.0/24`	Released	AS3423	AS4186
2026-08-22	`157.96.85.0/24`	Released	AS3423	AS4186
2026-08-22	`157.96.86.0/24`	Released	AS3423	AS4186
2026-08-22	`165.224.128.0/23`	Released	AS3423	AS4186
2026-08-22	`165.224.130.0/23`	Released	AS3423	AS4186