AS53155

Certha.net

BRUnknown2026-11-08

Announced prefixes 4

186.209.240.0/222804:3558::/322804:3558::/332804:3558:8000::/33

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-13	Certha.net	BR	Unknown	4
2026-11-12	Certha.net	BR	Unknown	4
2026-11-11	Certha.net	BR	Unknown	4
2026-11-10	Certha.net	BR	Unknown	4
2026-11-09	Certha.net	BR	Unknown	4
2026-11-08	Certha.net	BR	Unknown	4
2026-11-07	Certha.net	BR	Unknown	2
2026-11-06	Certha.net	BR	Unknown	2
2026-11-05	Certha.net	BR	Unknown	2
2026-11-04	Certha.net	BR	Unknown	2
2026-11-03	Certha.net	BR	Unknown	2
2026-11-02	Certha.net	BR	Unknown	2
2026-11-01	Certha.net	BR	Unknown	2
2026-10-31	Certha.net	BR	Unknown	2
2026-10-30	Certha.net	BR	Unknown	2
2026-10-29	Certha.net	BR	Unknown	2
2026-10-28	Certha.net	BR	Unknown	2
2026-10-27	Certha.net	BR	Unknown	2
2026-10-26	Certha.net	BR	Unknown	2
2026-10-25	Certha.net	BR	Unknown	2
2026-10-24	Certha.net	BR	Unknown	2
2026-10-23	Certha.net	BR	Unknown	2
2026-10-22	Certha.net	BR	Unknown	2
2026-10-21	Certha.net	BR	Unknown	2
2026-10-20	Certha.net	BR	Unknown	2
2026-10-19	Certha.net	BR	Unknown	2
2026-10-18	Certha.net	BR	Unknown	2
2026-10-17	Certha.net	BR	Unknown	2
2026-10-16	Certha.net	BR	Unknown	2
2026-10-15	Certha.net	BR	Unknown	2
2026-10-14	Certha.net	BR	Unknown	2
2026-10-13	Certha.net	BR	Unknown	2
2026-10-12	Certha.net	BR	Unknown	2
2026-10-11	Certha.net	BR	Unknown	2
2026-10-10	Certha.net	BR	Unknown	2
2026-10-09	Certha.net	BR	Unknown	2
2026-10-08	Certha.net	BR	Unknown	2
2026-10-07	Certha.net	BR	Unknown	2
2026-10-06	Certha.net	BR	Unknown	2
2026-10-05	Certha.net	BR	Unknown	2
2026-10-04	Certha.net	BR	Unknown	2
2026-10-03	Certha.net	BR	Unknown	2
2026-10-02	Certha.net	BR	Unknown	2
2026-10-01	Certha.net	BR	Unknown	2
2026-09-30	Certha.net	BR	Unknown	2
2026-09-29	Certha.net	BR	Unknown	2
2026-09-28	Certha.net	BR	Unknown	2
2026-09-27	Certha.net	BR	Unknown	2
2026-09-26	Certha.net	BR	Unknown	2
2026-09-25	Certha.net	BR	Unknown	2
2026-09-24	Certha.net	BR	Unknown	2
2026-09-23	Certha.net	BR	Unknown	2
2026-09-22	Certha.net	BR	Unknown	2
2026-09-21	Certha.net	BR	Unknown	2
2026-09-20	Certha.net	BR	Unknown	2
2026-09-19	Certha.net	BR	Unknown	2
2026-09-18	Certha.net	BR	Unknown	2
2026-09-17	Certha.net	BR	Unknown	2
2026-09-16	Certha.net	BR	Unknown	2
2026-09-15	Certha.net	BR	Unknown	2
2026-09-14	Certha.net	BR	Unknown	2
2026-09-13	Certha.net	BR	Unknown	2
2026-09-12	Certha.net	BR	Unknown	2
2026-09-11	Certha.net	BR	Unknown	2
2026-09-10	Certha.net	BR	Unknown	2
2026-09-09	Certha.net	BR	Unknown	2
2026-09-08	Certha.net	BR	Unknown	2
2026-09-07	Certha.net	BR	Unknown	2
2026-09-06	Certha.net	BR	Unknown	2
2026-09-05	Certha.net	BR	Unknown	2
2026-09-04	Certha.net	BR	Unknown	2
2026-09-03	Certha.net	BR	Unknown	2
2026-09-02	Certha.net	BR	Unknown	2
2026-09-01	Certha.net	BR	Unknown	2
2026-08-31	Certha.net	BR	Unknown	4
2026-08-30	Certha.net	BR	Unknown	4
2026-08-29	Certha.net	BR	Unknown	4
2026-08-28	Certha.net	BR	Unknown	4
2026-08-27	Certha.net	BR	Unknown	4
2026-08-26	Certha.net	BR	Unknown	4
2026-08-25	Certha.net	BR	Unknown	4
2026-08-24	Certha.net	BR	Unknown	2
2026-08-23	Certha.net	BR	Unknown	2
2026-08-22	Certha.net	BR	Unknown	2
2026-08-21	Certha.net	BR	Unknown	2
2026-08-20	Certha.net	BR	Unknown	2
2026-08-19	Certha.net	BR	Unknown	2
2026-08-18	Certha.net	BR	Unknown	2
2026-08-17	Certha.net	BR	Unknown	2
2026-08-16	Certha.net	BR	Unknown	2
2026-08-15	Certha.net	BR	Unknown	2
2026-08-14	Certha.net	BR	Unknown	2
2026-08-13	Certha.net	BR	Unknown	2
2026-08-12	Certha.net	BR	Unknown	2
2026-08-11	Certha.net	BR	Unknown	2
2026-08-10	Certha.net	BR	Unknown	2
2026-08-09	Certha.net	BR	Unknown	2
2026-08-08	Certha.net	BR	Unknown	2
2026-08-07	Certha.net	BR	Unknown	2
2026-08-06	Certha.net	BR	Unknown	2
2026-08-05	Certha.net	BR	Unknown	2
2026-08-04	Certha.net	BR	Unknown	2
2026-08-03	Certha.net	BR	Unknown	2
2026-08-02	Certha.net	BR	Unknown	2
2026-08-01	Certha.net	BR	Unknown	2
2026-07-31	Certha.net	BR	Unknown	2
2026-07-30	Certha.net	BR	Unknown	2
2026-07-29	Certha.net	BR	Unknown	2
2026-07-28	Certha.net	BR	Unknown	4
2026-07-27	Certha.net	BR	Unknown	4
2026-07-26	Certha.net	BR	Unknown	4
2026-07-25	Certha.net	BR	Unknown	4
2026-07-24	Certha.net	BR	Unknown	4
2026-07-23	Certha.net	BR	Unknown	4
2026-07-22	Certha.net	BR	Unknown	4
2026-07-21	Certha.net	BR	Unknown	4
2026-07-20	Certha.net	BR	Unknown	4
2026-07-19	Certha.net	BR	Unknown	4
2026-07-18	Certha.net	BR	Unknown	4
2026-07-17	Certha.net	BR	Unknown	4
2026-07-16	Certha.net	BR	Unknown	4
2026-07-15	Certha.net	BR	Unknown	4
2026-07-14	Certha.net	BR	Unknown	4
2026-07-13	Certha.net	BR	Unknown	4
2026-07-12	Certha.net	BR	Unknown	4
2026-07-11	Certha.net	BR	Unknown	4
2026-07-10	Certha.net	BR	Unknown	4
2026-07-09	Certha.net	BR	Unknown	4
2026-07-08	Certha.net	BR	Unknown	4
2026-07-07	Certha.net	BR	Unknown	4
2026-07-06	Certha.net	BR	Unknown	4
2026-07-05	Certha.net	BR	Unknown	4
2026-07-04	Certha.net	BR	Unknown	4
2026-07-03	Certha.net	BR	Unknown	4
2026-07-02	Certha.net	BR	Unknown	4
2026-07-01	Certha.net	BR	Unknown	4
2026-06-30	Certha.net	BR	Unknown	4
2026-06-29	Certha.net	BR	Unknown	4
2026-06-28	Certha.net	BR	Unknown	4
2026-06-27	Certha.net	BR	Unknown	4
2026-06-26	Certha.net	BR	Unknown	4
2026-06-25	Certha.net	BR	Unknown	4
2026-06-24	Certha.net	BR	Unknown	4
2026-06-23	Certha.net	BR	Unknown	4
2026-06-22	Certha.net	BR	Unknown	4
2026-06-21	Certha.net	BR	Unknown	4
2026-06-20	Certha.net	BR	Unknown	4
2026-06-19	Certha.net	BR	Unknown	4
2026-06-18	Certha.net	BR	Unknown	4
2026-06-17	Certha.net	BR	Unknown	4
2026-06-16	Certha.net	BR	Unknown	4
2026-06-15	Certha.net	BR	Unknown	4
2026-06-14	Certha.net	BR	Unknown	4
2026-06-13	Certha.net	BR	Unknown	4

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-11-08	`2804:3558::/33`	Acquired	—	AS53155
2026-11-08	`2804:3558:8000::/33`	Acquired	—	AS53155
2026-09-01	`2804:3558::/33`	Released	AS53155	—
2026-09-01	`2804:3558:8000::/33`	Released	AS53155	—
2026-08-25	`2804:3558::/33`	Acquired	—	AS53155
2026-08-25	`2804:3558:8000::/33`	Acquired	—	AS53155
2026-07-29	`2804:3558::/33`	Released	AS53155	—
2026-07-29	`2804:3558:8000::/33`	Released	AS53155	—