AS273803

Ultranet

BRUnknown2026-06-13

Announced prefixes 5

177.73.132.0/22177.73.132.0/23177.73.132.0/24177.73.133.0/242804:8c74::/32

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-14	Ultranet	BR	Unknown	0
2026-11-13	Ultranet	BR	Unknown	0
2026-11-12	Ultranet	BR	Unknown	0
2026-11-11	Ultranet	BR	Unknown	0
2026-11-10	Ultranet	BR	Unknown	0
2026-11-09	Ultranet	BR	Unknown	0
2026-11-08	Ultranet	BR	Unknown	0
2026-11-07	Ultranet	BR	Unknown	0
2026-11-06	Ultranet	BR	Unknown	0
2026-11-05	Ultranet	BR	Unknown	0
2026-11-04	Ultranet	BR	Unknown	0
2026-11-03	Ultranet	BR	Unknown	0
2026-11-02	Ultranet	BR	Unknown	0
2026-11-01	Ultranet	BR	Unknown	3
2026-10-31	Ultranet	BR	Unknown	3
2026-10-30	Ultranet	BR	Unknown	3
2026-10-29	Ultranet	BR	Unknown	3
2026-10-28	Ultranet	BR	Unknown	3
2026-10-27	Ultranet	BR	Unknown	3
2026-10-26	Ultranet	BR	Unknown	3
2026-10-25	Ultranet	BR	Unknown	3
2026-10-24	Ultranet	BR	Unknown	3
2026-10-23	Ultranet	BR	Unknown	3
2026-10-22	Ultranet	BR	Unknown	3
2026-10-21	Ultranet	BR	Unknown	3
2026-10-20	Ultranet	BR	Unknown	3
2026-10-19	Ultranet	BR	Unknown	3
2026-10-18	Ultranet	BR	Unknown	3
2026-10-17	Ultranet	BR	Unknown	3
2026-10-16	Ultranet	BR	Unknown	3
2026-10-15	Ultranet	BR	Unknown	3
2026-10-14	Ultranet	BR	Unknown	3
2026-10-13	Ultranet	BR	Unknown	3
2026-10-12	Ultranet	BR	Unknown	3
2026-10-11	Ultranet	BR	Unknown	3
2026-10-10	Ultranet	BR	Unknown	3
2026-10-09	Ultranet	BR	Unknown	3
2026-10-08	Ultranet	BR	Unknown	3
2026-10-07	Ultranet	BR	Unknown	3
2026-10-06	Ultranet	BR	Unknown	3
2026-10-05	Ultranet	BR	Unknown	3
2026-10-04	Ultranet	BR	Unknown	3
2026-10-03	Ultranet	BR	Unknown	3
2026-10-02	Ultranet	BR	Unknown	3
2026-10-01	Ultranet	BR	Unknown	3
2026-09-30	Ultranet	BR	Unknown	3
2026-09-29	Ultranet	BR	Unknown	4
2026-09-28	Ultranet	BR	Unknown	4
2026-09-27	Ultranet	BR	Unknown	4
2026-09-26	Ultranet	BR	Unknown	4
2026-09-25	Ultranet	BR	Unknown	4
2026-09-24	Ultranet	BR	Unknown	4
2026-09-23	Ultranet	BR	Unknown	6
2026-09-22	Ultranet	BR	Unknown	6
2026-09-21	Ultranet	BR	Unknown	3
2026-09-20	Ultranet	BR	Unknown	3
2026-09-19	Ultranet	BR	Unknown	3
2026-09-18	Ultranet	BR	Unknown	3
2026-09-17	Ultranet	BR	Unknown	3
2026-09-16	Ultranet	BR	Unknown	6
2026-09-15	Ultranet	BR	Unknown	6
2026-09-14	Ultranet	BR	Unknown	6
2026-09-13	Ultranet	BR	Unknown	6
2026-09-12	Ultranet	BR	Unknown	6
2026-09-11	Ultranet	BR	Unknown	6
2026-09-10	Ultranet	BR	Unknown	6
2026-09-09	Ultranet	BR	Unknown	4
2026-09-08	Ultranet	BR	Unknown	6
2026-09-07	Ultranet	BR	Unknown	6
2026-09-06	Ultranet	BR	Unknown	6
2026-09-05	Ultranet	BR	Unknown	6
2026-09-04	Ultranet	BR	Unknown	6
2026-09-03	Ultranet	BR	Unknown	6
2026-09-02	Ultranet	BR	Unknown	6
2026-09-01	Ultranet	BR	Unknown	6
2026-08-31	Ultranet	BR	Unknown	6
2026-08-30	Ultranet	BR	Unknown	6
2026-08-29	Ultranet	BR	Unknown	6
2026-08-28	Ultranet	BR	Unknown	6
2026-08-27	Ultranet	BR	Unknown	6
2026-08-26	Ultranet	BR	Unknown	6
2026-08-25	Ultranet	BR	Unknown	6
2026-08-24	Ultranet	BR	Unknown	6
2026-08-23	Ultranet	BR	Unknown	6
2026-08-22	Ultranet	BR	Unknown	6
2026-08-21	Ultranet	BR	Unknown	6
2026-08-20	Ultranet	BR	Unknown	6
2026-08-19	Ultranet	BR	Unknown	6
2026-08-18	Ultranet	BR	Unknown	6
2026-08-17	Ultranet	BR	Unknown	6
2026-08-16	Ultranet	BR	Unknown	6
2026-08-15	Ultranet	BR	Unknown	6
2026-08-14	Ultranet	BR	Unknown	6
2026-08-13	Ultranet	BR	Unknown	6
2026-08-12	Ultranet	BR	Unknown	6
2026-08-11	Ultranet	BR	Unknown	6
2026-08-10	Ultranet	BR	Unknown	6
2026-08-09	Ultranet	BR	Unknown	6
2026-08-08	Ultranet	BR	Unknown	6
2026-08-07	Ultranet	BR	Unknown	6
2026-08-06	Ultranet	BR	Unknown	6
2026-08-05	Ultranet	BR	Unknown	6
2026-08-04	Ultranet	BR	Unknown	6
2026-08-03	Ultranet	BR	Unknown	6
2026-08-02	Ultranet	BR	Unknown	6
2026-08-01	Ultranet	BR	Unknown	6
2026-07-31	Ultranet	BR	Unknown	6
2026-07-30	Ultranet	BR	Unknown	6
2026-07-29	Ultranet	BR	Unknown	6
2026-07-28	Ultranet	BR	Unknown	6
2026-07-27	Ultranet	BR	Unknown	6
2026-07-26	Ultranet	BR	Unknown	6
2026-07-25	Ultranet	BR	Unknown	6
2026-07-24	Ultranet	BR	Unknown	6
2026-07-23	Ultranet	BR	Unknown	6
2026-07-22	Ultranet	BR	Unknown	6
2026-07-21	Ultranet	BR	Unknown	6
2026-07-20	Ultranet	BR	Unknown	6
2026-07-19	Ultranet	BR	Unknown	6
2026-07-18	Ultranet	BR	Unknown	6
2026-07-17	Ultranet	BR	Unknown	6
2026-07-16	Ultranet	BR	Unknown	6
2026-07-15	Ultranet	BR	Unknown	6
2026-07-14	Ultranet	BR	Unknown	6
2026-07-13	Ultranet	BR	Unknown	6
2026-07-12	Ultranet	BR	Unknown	6
2026-07-11	Ultranet	BR	Unknown	6
2026-07-10	Ultranet	BR	Unknown	6
2026-07-09	Ultranet	BR	Unknown	6
2026-07-08	Ultranet	BR	Unknown	6
2026-07-07	Ultranet	BR	Unknown	3
2026-07-06	Ultranet	BR	Unknown	3
2026-07-05	Ultranet	BR	Unknown	3
2026-07-04	Ultranet	BR	Unknown	3
2026-07-03	Ultranet	BR	Unknown	3
2026-07-02	Ultranet	BR	Unknown	3
2026-07-01	Ultranet	BR	Unknown	3
2026-06-30	Ultranet	BR	Unknown	3
2026-06-29	Ultranet	BR	Unknown	3
2026-06-28	Ultranet	BR	Unknown	3
2026-06-27	Ultranet	BR	Unknown	3
2026-06-26	Ultranet	BR	Unknown	3
2026-06-25	Ultranet	BR	Unknown	3
2026-06-24	Ultranet	BR	Unknown	3
2026-06-23	Ultranet	BR	Unknown	3
2026-06-22	Ultranet	BR	Unknown	3
2026-06-21	Ultranet	BR	Unknown	3
2026-06-20	Ultranet	BR	Unknown	3
2026-06-19	Ultranet	BR	Unknown	3
2026-06-18	Ultranet	BR	Unknown	3
2026-06-17	Ultranet	BR	Unknown	3
2026-06-16	Ultranet	BR	Unknown	4
2026-06-15	Ultranet	BR	Unknown	5
2026-06-14	Ultranet	BR	Unknown	5
2026-06-13	Ultranet	BR	Unknown	5

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-11-02	`177.73.132.0/23`	Released	AS273803	—
2026-11-02	`177.73.132.0/24`	Released	AS273803	—
2026-11-02	`177.73.133.0/24`	Released	AS273803	—
2026-09-30	`177.73.134.0/23`	Released	AS273803, AS274650	AS274650
2026-09-24	`177.73.134.0/24`	Released	AS273803	AS274650
2026-09-24	`177.73.135.0/24`	Released	AS273803	AS274650
2026-09-22	`177.73.134.0/23`	Acquired	AS274650	AS273803, AS274650
2026-09-22	`177.73.134.0/24`	Acquired	AS274650	AS273803
2026-09-22	`177.73.135.0/24`	Acquired	AS274650	AS273803
2026-09-17	`177.73.134.0/23`	Released	AS273803, AS274650	AS274650
2026-09-17	`177.73.134.0/24`	Released	AS273803, AS274650	AS274650
2026-09-17	`177.73.135.0/24`	Released	AS273803, AS274650	AS274650
2026-09-16	`177.73.134.0/23`	Origin set changed	AS273803	AS273803, AS274650
2026-09-16	`177.73.134.0/24`	Origin set changed	AS273803	AS273803, AS274650
2026-09-16	`177.73.135.0/24`	Origin set changed	AS273803	AS273803, AS274650
2026-09-10	`177.73.132.0/24`	Acquired	—	AS273803
2026-09-10	`177.73.133.0/24`	Acquired	—	AS273803
2026-09-09	`177.73.132.0/24`	Released	AS273803	—
2026-09-09	`177.73.133.0/24`	Released	AS273803	—
2026-07-18	`177.73.134.0/23`	Origin set changed	AS273803, AS274650	AS273803
2026-07-18	`177.73.134.0/24`	Origin set changed	AS273803, AS274650	AS273803
2026-07-18	`177.73.135.0/24`	Origin set changed	AS273803, AS274650	AS273803
2026-07-08	`177.73.134.0/23`	Acquired	AS274650	AS273803, AS274650
2026-07-08	`177.73.134.0/24`	Acquired	AS274650	AS273803, AS274650
2026-07-08	`177.73.135.0/24`	Acquired	AS274650	AS273803, AS274650
2026-06-17	`2804:8c74::/32`	Released	AS273803	—
2026-06-16	`177.73.132.0/22`	Released	AS273803	—