AS4185

AT&T Enterprises, LLC

USUnknown2026-09-10

Announced prefixes 16

12.14.12.0/2412.14.14.0/2412.150.176.0/2412.150.186.0/2412.183.71.0/2412.185.4.0/2412.185.7.0/24148.184.0.0/16152.75.0.0/16152.75.221.0/24165.110.0.0/16192.104.54.0/24192.133.125.0/242602:80a:e000::/442620:0:610::/482620:0:6e0::/48

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-11	AT&T Enterprises, LLC	US	Unknown	15
2026-11-10	AT&T Enterprises, LLC	US	Unknown	15
2026-11-09	AT&T Enterprises, LLC	US	Unknown	15
2026-11-08	AT&T Enterprises, LLC	US	Unknown	15
2026-11-07	AT&T Enterprises, LLC	US	Unknown	15
2026-11-06	AT&T Enterprises, LLC	US	Unknown	15
2026-11-05	AT&T Enterprises, LLC	US	Unknown	15
2026-11-04	AT&T Enterprises, LLC	US	Unknown	15
2026-11-03	AT&T Enterprises, LLC	US	Unknown	15
2026-11-02	AT&T Enterprises, LLC	US	Unknown	15
2026-11-01	AT&T Enterprises, LLC	US	Unknown	15
2026-10-31	AT&T Enterprises, LLC	US	Unknown	15
2026-10-30	AT&T Enterprises, LLC	US	Unknown	15
2026-10-29	AT&T Enterprises, LLC	US	Unknown	15
2026-10-28	AT&T Enterprises, LLC	US	Unknown	15
2026-10-27	AT&T Enterprises, LLC	US	Unknown	15
2026-10-26	AT&T Enterprises, LLC	US	Unknown	15
2026-10-25	AT&T Enterprises, LLC	US	Unknown	15
2026-10-24	AT&T Enterprises, LLC	US	Unknown	15
2026-10-23	AT&T Enterprises, LLC	US	Unknown	15
2026-10-22	AT&T Enterprises, LLC	US	Unknown	15
2026-10-21	AT&T Enterprises, LLC	US	Unknown	15
2026-10-20	AT&T Enterprises, LLC	US	Unknown	15
2026-10-19	AT&T Enterprises, LLC	US	Unknown	15
2026-10-18	AT&T Enterprises, LLC	US	Unknown	15
2026-10-17	AT&T Enterprises, LLC	US	Unknown	15
2026-10-16	AT&T Enterprises, LLC	US	Unknown	15
2026-10-15	AT&T Enterprises, LLC	US	Unknown	15
2026-10-14	AT&T Enterprises, LLC	US	Unknown	15
2026-10-13	AT&T Enterprises, LLC	US	Unknown	15
2026-10-12	AT&T Enterprises, LLC	US	Unknown	15
2026-10-11	AT&T Enterprises, LLC	US	Unknown	15
2026-10-10	AT&T Enterprises, LLC	US	Unknown	15
2026-10-09	AT&T Enterprises, LLC	US	Unknown	15
2026-10-08	AT&T Enterprises, LLC	US	Unknown	15
2026-10-07	AT&T Enterprises, LLC	US	Unknown	15
2026-10-06	AT&T Enterprises, LLC	US	Unknown	15
2026-10-05	AT&T Enterprises, LLC	US	Unknown	15
2026-10-04	AT&T Enterprises, LLC	US	Unknown	15
2026-10-03	AT&T Enterprises, LLC	US	Unknown	15
2026-10-02	AT&T Enterprises, LLC	US	Unknown	1
2026-10-01	AT&T Enterprises, LLC	US	Unknown	1
2026-09-30	AT&T Enterprises, LLC	US	Unknown	15
2026-09-29	AT&T Enterprises, LLC	US	Unknown	15
2026-09-28	AT&T Enterprises, LLC	US	Unknown	15
2026-09-27	AT&T Enterprises, LLC	US	Unknown	15
2026-09-26	AT&T Enterprises, LLC	US	Unknown	15
2026-09-25	AT&T Enterprises, LLC	US	Unknown	15
2026-09-24	AT&T Enterprises, LLC	US	Unknown	15
2026-09-23	AT&T Enterprises, LLC	US	Unknown	15
2026-09-22	AT&T Enterprises, LLC	US	Unknown	15
2026-09-21	AT&T Enterprises, LLC	US	Unknown	15
2026-09-20	AT&T Enterprises, LLC	US	Unknown	15
2026-09-19	AT&T Enterprises, LLC	US	Unknown	15
2026-09-18	AT&T Enterprises, LLC	US	Unknown	15
2026-09-17	AT&T Enterprises, LLC	US	Unknown	15
2026-09-16	AT&T Enterprises, LLC	US	Unknown	0
2026-09-15	AT&T Enterprises, LLC	US	Unknown	0
2026-09-14	AT&T Enterprises, LLC	US	Unknown	0
2026-09-13	AT&T Enterprises, LLC	US	Unknown	0
2026-09-12	AT&T Enterprises, LLC	US	Unknown	0
2026-09-11	AT&T Enterprises, LLC	US	Unknown	1
2026-09-10	AT&T Enterprises, LLC	US	Unknown	16
2026-09-09	AT&T Enterprises, LLC	US	Unknown	15
2026-09-08	AT&T Enterprises, LLC	US	Unknown	15
2026-09-07	AT&T Enterprises, LLC	US	Unknown	15
2026-09-06	AT&T Enterprises, LLC	US	Unknown	15
2026-09-05	AT&T Enterprises, LLC	US	Unknown	15
2026-09-04	AT&T Enterprises, LLC	US	Unknown	16
2026-09-03	AT&T Enterprises, LLC	US	Unknown	16
2026-09-02	AT&T Enterprises, LLC	US	Unknown	16
2026-09-01	AT&T Enterprises, LLC	US	Unknown	17
2026-08-31	AT&T Enterprises, LLC	US	Unknown	17
2026-08-30	AT&T Enterprises, LLC	US	Unknown	17
2026-08-29	AT&T Enterprises, LLC	US	Unknown	17
2026-08-28	AT&T Enterprises, LLC	US	Unknown	17
2026-08-27	AT&T Enterprises, LLC	US	Unknown	17
2026-08-26	AT&T Enterprises, LLC	US	Unknown	17
2026-08-25	AT&T Enterprises, LLC	US	Unknown	17
2026-08-24	AT&T Enterprises, LLC	US	Unknown	17
2026-08-23	AT&T Enterprises, LLC	US	Unknown	17
2026-08-22	AT&T Enterprises, LLC	US	Unknown	17
2026-08-21	AT&T Enterprises, LLC	US	Unknown	17
2026-08-20	AT&T Enterprises, LLC	US	Unknown	17
2026-08-19	AT&T Enterprises, LLC	US	Unknown	17
2026-08-18	AT&T Enterprises, LLC	US	Unknown	17
2026-08-17	AT&T Enterprises, LLC	US	Unknown	17
2026-08-16	AT&T Enterprises, LLC	US	Unknown	17
2026-08-15	AT&T Enterprises, LLC	US	Unknown	17
2026-08-14	AT&T Enterprises, LLC	US	Unknown	17
2026-08-13	AT&T Enterprises, LLC	US	Unknown	17
2026-08-12	AT&T Enterprises, LLC	US	Unknown	17
2026-08-11	AT&T Enterprises, LLC	US	Unknown	17
2026-08-10	AT&T Enterprises, LLC	US	Unknown	17
2026-08-09	AT&T Enterprises, LLC	US	Unknown	17
2026-08-08	AT&T Enterprises, LLC	US	Unknown	17
2026-08-07	AT&T Enterprises, LLC	US	Unknown	17
2026-08-06	AT&T Enterprises, LLC	US	Unknown	17
2026-08-05	AT&T Enterprises, LLC	US	Unknown	17
2026-08-04	AT&T Enterprises, LLC	US	Unknown	17
2026-08-03	AT&T Enterprises, LLC	US	Unknown	17
2026-08-02	AT&T Enterprises, LLC	US	Unknown	17
2026-08-01	AT&T Enterprises, LLC	US	Unknown	17
2026-07-31	AT&T Enterprises, LLC	US	Unknown	17
2026-07-30	AT&T Enterprises, LLC	US	Unknown	19
2026-07-29	AT&T Enterprises, LLC	US	Unknown	19
2026-07-28	AT&T Enterprises, LLC	US	Unknown	20
2026-07-27	AT&T Enterprises, LLC	US	Unknown	20
2026-07-26	AT&T Enterprises, LLC	US	Unknown	20
2026-07-25	AT&T Enterprises, LLC	US	Unknown	20
2026-07-24	AT&T Enterprises, LLC	US	Unknown	20
2026-07-23	AT&T Enterprises, LLC	US	Unknown	20
2026-07-22	AT&T Enterprises, LLC	US	Unknown	20
2026-07-21	AT&T Enterprises, LLC	US	Unknown	20
2026-07-20	AT&T Enterprises, LLC	US	Unknown	20
2026-07-19	AT&T Enterprises, LLC	US	Unknown	20
2026-07-18	AT&T Enterprises, LLC	US	Unknown	20
2026-07-17	AT&T Enterprises, LLC	US	Unknown	20
2026-07-16	AT&T Enterprises, LLC	US	Unknown	20
2026-07-15	AT&T Enterprises, LLC	US	Unknown	20
2026-07-14	AT&T Enterprises, LLC	US	Unknown	20
2026-07-13	AT&T Enterprises, LLC	US	Unknown	20
2026-07-12	AT&T Enterprises, LLC	US	Unknown	20
2026-07-11	AT&T Enterprises, LLC	US	Unknown	20
2026-07-10	AT&T Enterprises, LLC	US	Unknown	20
2026-07-09	AT&T Enterprises, LLC	US	Unknown	20
2026-07-08	AT&T Enterprises, LLC	US	Unknown	20
2026-07-07	AT&T Enterprises, LLC	US	Unknown	20
2026-07-06	AT&T Enterprises, LLC	US	Unknown	20
2026-07-05	AT&T Enterprises, LLC	US	Unknown	20
2026-07-04	AT&T Enterprises, LLC	US	Unknown	20
2026-07-03	AT&T Enterprises, LLC	US	Unknown	20
2026-07-02	AT&T Enterprises, LLC	US	Unknown	20
2026-07-01	AT&T Enterprises, LLC	US	Unknown	20
2026-06-30	AT&T Enterprises, LLC	US	Unknown	20
2026-06-29	AT&T Enterprises, LLC	US	Unknown	20
2026-06-28	AT&T Enterprises, LLC	US	Unknown	20
2026-06-27	AT&T Enterprises, LLC	US	Unknown	20
2026-06-26	AT&T Enterprises, LLC	US	Unknown	20
2026-06-25	AT&T Enterprises, LLC	US	Unknown	20
2026-06-24	AT&T Enterprises, LLC	US	Unknown	20
2026-06-23	AT&T Enterprises, LLC	US	Unknown	20
2026-06-22	AT&T Enterprises, LLC	US	Unknown	20
2026-06-21	AT&T Enterprises, LLC	US	Unknown	20
2026-06-20	AT&T Enterprises, LLC	US	Unknown	20
2026-06-19	AT&T Enterprises, LLC	US	Unknown	20
2026-06-18	AT&T Enterprises, LLC	US	Unknown	20
2026-06-17	AT&T Enterprises, LLC	US	Unknown	20
2026-06-16	AT&T Enterprises, LLC	US	Unknown	20
2026-06-15	AT&T Enterprises, LLC	US	Unknown	20
2026-06-14	AT&T Enterprises, LLC	US	Unknown	20
2026-06-13	AT&T Enterprises, LLC	US	Unknown	20

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-10-04	`152.75.0.0/16`	Origin set changed	AS4185, AS4186	AS4185
2026-10-04	`152.75.221.0/24`	Origin set changed	AS4185, AS4186	AS4185
2026-10-04	`192.104.54.0/24`	Origin set changed	AS4185, AS4186	AS4185
2026-10-04	`192.133.125.0/24`	Origin set changed	AS4185, AS4186	AS4185
2026-10-03	`12.14.12.0/24`	Acquired	AS4186	AS4185
2026-10-03	`12.14.14.0/24`	Acquired	AS4186	AS4185
2026-10-03	`12.150.176.0/24`	Acquired	AS4186	AS4185
2026-10-03	`12.150.186.0/24`	Acquired	AS4186	AS4185
2026-10-03	`12.183.71.0/24`	Acquired	AS4186	AS4185
2026-10-03	`12.185.7.0/24`	Acquired	AS4186	AS4185
2026-10-03	`152.75.0.0/16`	Acquired	AS4186	AS4185, AS4186
2026-10-03	`152.75.221.0/24`	Acquired	AS4186	AS4185, AS4186
2026-10-03	`165.110.0.0/16`	Acquired	AS4186	AS4185
2026-10-03	`192.104.54.0/24`	Acquired	AS4186	AS4185, AS4186
2026-10-03	`192.133.125.0/24`	Acquired	AS4186	AS4185, AS4186
2026-10-03	`2602:80a:e000::/44`	Acquired	—	AS4185
2026-10-03	`2620:0:610::/48`	Acquired	AS4186	AS4185
2026-10-03	`2620:0:6e0::/48`	Acquired	AS4186	AS4185
2026-10-01	`12.14.12.0/24`	Released	AS4185	AS4186
2026-10-01	`12.14.14.0/24`	Released	AS4185	AS4186
2026-10-01	`12.150.176.0/24`	Released	AS4185	AS4186
2026-10-01	`12.150.186.0/24`	Released	AS4185	AS4186
2026-10-01	`12.183.71.0/24`	Released	AS4185	AS4186
2026-10-01	`12.185.7.0/24`	Released	AS4185	AS4186
2026-10-01	`152.75.0.0/16`	Released	AS4185	AS4186
2026-10-01	`152.75.221.0/24`	Released	AS4185	AS4186
2026-10-01	`165.110.0.0/16`	Released	AS4185	AS4186
2026-10-01	`192.104.54.0/24`	Released	AS4185	AS4186
2026-10-01	`192.133.125.0/24`	Released	AS4185	AS4186
2026-10-01	`2602:80a:e000::/44`	Released	AS4185	—
2026-10-01	`2620:0:610::/48`	Released	AS4185	AS4186
2026-10-01	`2620:0:6e0::/48`	Released	AS4185	AS4186
2026-09-17	`12.14.12.0/24`	Acquired	AS4186	AS4185
2026-09-17	`12.14.14.0/24`	Acquired	AS4186	AS4185
2026-09-17	`12.150.176.0/24`	Acquired	AS4186	AS4185
2026-09-17	`12.150.186.0/24`	Acquired	AS4186	AS4185
2026-09-17	`12.183.71.0/24`	Acquired	AS4186	AS4185
2026-09-17	`12.185.4.0/24`	Acquired	AS4186	AS4185
2026-09-17	`12.185.7.0/24`	Acquired	AS4186	AS4185
2026-09-17	`152.75.0.0/16`	Acquired	AS4186	AS4185
2026-09-17	`152.75.221.0/24`	Acquired	AS4186	AS4185
2026-09-17	`165.110.0.0/16`	Acquired	AS4186	AS4185
2026-09-17	`192.104.54.0/24`	Acquired	AS4186	AS4185
2026-09-17	`192.133.125.0/24`	Acquired	AS4186	AS4185
2026-09-17	`2602:80a:e000::/44`	Acquired	—	AS4185
2026-09-17	`2620:0:610::/48`	Acquired	AS4186	AS4185
2026-09-17	`2620:0:6e0::/48`	Acquired	AS4186	AS4185
2026-09-12	`2602:80a:e000::/44`	Released	AS4185	—
2026-09-11	`12.14.12.0/24`	Released	AS4185	AS4186
2026-09-11	`12.14.14.0/24`	Released	AS4185	AS4186