AS23910

China Next Generation Internet CERNET2

CNUnknown2026-09-18

Announced prefixes 6

2001:250::/322001:251::/322001:da8::/322001:da8:20d::/48240c:c000::/20240c:c0a9:1000::/40

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-11	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-10	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-09	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-08	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-07	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-06	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-05	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-04	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-03	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-02	China Next Generation Internet CERNET2	CN	Unknown	7
2026-11-01	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-31	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-30	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-29	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-28	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-27	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-26	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-25	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-24	China Next Generation Internet CERNET2	CN	Unknown	7
2026-10-23	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-22	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-21	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-20	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-19	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-18	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-17	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-16	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-15	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-14	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-13	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-12	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-11	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-10	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-09	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-08	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-07	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-06	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-05	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-04	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-03	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-02	China Next Generation Internet CERNET2	CN	Unknown	6
2026-10-01	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-30	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-29	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-28	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-27	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-26	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-25	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-24	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-23	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-22	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-21	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-20	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-19	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-18	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-17	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-16	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-15	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-14	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-13	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-12	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-11	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-10	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-09	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-08	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-07	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-06	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-05	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-04	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-03	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-02	China Next Generation Internet CERNET2	CN	Unknown	6
2026-09-01	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-31	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-30	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-29	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-28	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-27	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-26	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-25	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-24	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-23	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-22	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-21	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-20	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-19	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-18	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-17	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-16	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-15	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-14	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-13	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-12	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-11	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-10	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-09	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-08	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-07	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-06	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-05	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-04	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-03	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-02	China Next Generation Internet CERNET2	CN	Unknown	6
2026-08-01	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-31	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-30	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-29	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-28	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-27	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-26	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-25	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-24	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-23	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-22	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-21	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-20	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-19	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-18	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-17	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-16	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-15	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-14	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-13	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-12	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-11	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-10	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-09	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-08	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-07	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-06	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-05	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-04	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-03	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-02	China Next Generation Internet CERNET2	CN	Unknown	6
2026-07-01	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-30	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-29	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-28	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-27	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-26	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-25	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-24	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-23	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-22	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-21	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-20	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-19	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-18	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-17	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-16	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-15	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-14	China Next Generation Internet CERNET2	CN	Unknown	6
2026-06-13	China Next Generation Internet CERNET2	CN	Unknown	6

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-11-10	`2001:da8:20d::/48`	Origin set changed	AS23910	AS4538, AS23910
2026-11-09	`2001:da8:20d::/48`	Origin set changed	AS4538, AS23910	AS23910
2026-10-24	`240c:c0a0::/32`	Acquired	AS4538	AS23910
2026-10-22	`2001:da8:20d::/48`	Origin set changed	AS23910	AS4538, AS23910
2026-10-21	`2001:da8:20d::/48`	Origin set changed	AS4538, AS23910	AS23910
2026-10-20	`2001:da8:20d::/48`	Origin set changed	AS23910	AS4538, AS23910
2026-10-18	`2001:da8:20d::/48`	Origin set changed	AS4538, AS23910	AS23910
2026-10-16	`2001:da8:20d::/48`	Origin set changed	AS23910	AS4538, AS23910
2026-09-23	`2001:da8:20d::/48`	Origin set changed	AS4538, AS23910	AS23910
2026-09-18	`2001:da8:20d::/48`	Origin set changed	AS23910	AS4538, AS23910