AS138371

CERNET2 regional IX at Ocean University of China

CNUnknown2026-09-16

Announced prefixes 35

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-11	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-10	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-09	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-08	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-07	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-06	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-05	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-04	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-03	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-02	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-11-01	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-31	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-30	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-29	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-28	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-27	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-26	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-25	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-24	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-23	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-22	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-21	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-20	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-19	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-18	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-17	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-16	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-15	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-14	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-13	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-12	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-11	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-10	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-09	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-08	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-07	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-06	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-05	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-04	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-03	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-02	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-10-01	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-30	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-29	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-28	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-27	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-26	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-25	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-24	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-23	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-22	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-21	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-20	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-19	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-18	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-17	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-16	CERNET2 regional IX at Ocean University of China	CN	Unknown	35
2026-09-15	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-14	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-13	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-12	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-11	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-10	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-09	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-08	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-07	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-06	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-05	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-04	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-03	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-02	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-09-01	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-31	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-30	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-29	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-28	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-27	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-26	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-25	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-24	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-23	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-22	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-21	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-20	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-19	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-18	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-17	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-16	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-15	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-14	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-13	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-12	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-11	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-10	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-09	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-08	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-07	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-06	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-05	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-04	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-03	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-02	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-08-01	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-31	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-30	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-29	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-28	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-27	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-26	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-25	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-24	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-23	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-22	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-21	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-20	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-19	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-18	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-17	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-16	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-15	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-14	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-13	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-12	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-11	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-10	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-09	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-08	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-07	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-06	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-05	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-04	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-03	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-02	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-07-01	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-30	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-29	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-28	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-27	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-26	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-25	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-24	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-23	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-22	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-21	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-20	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-19	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-18	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-17	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-16	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-15	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-14	CERNET2 regional IX at Ocean University of China	CN	Unknown	45
2026-06-13	CERNET2 regional IX at Ocean University of China	CN	Unknown	45

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-10-23	`2001:250:5805::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5806::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5816::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5820::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5821::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5822::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5823::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5828::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:582a::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5831::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5833::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5845::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5846::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5847::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5848::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5849::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:584a::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5862::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5864::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5866::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5875::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:587c::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:587d::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:250:5895::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:da8:cc::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:da8:7013::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:da8:701f::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`2001:da8:702a::/48`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`240b:e002::/32`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`240c:ca02::/32`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`240c:ca03::/32`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`240c:ca05::/32`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`240c:ca07::/32`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`240c:ca0c::/32`	Origin set changed	AS4538, AS138371	AS138371
2026-10-23	`240c:ca23::/32`	Origin set changed	AS4538, AS138371	AS138371
2026-09-16	`121.249.192.0/20`	Released	AS4538, AS138371	AS4538
2026-09-16	`121.249.208.0/22`	Released	AS4538, AS138371	AS4538
2026-09-16	`121.249.212.0/23`	Released	AS4538, AS138371	AS4538
2026-09-16	`121.249.214.0/23`	Released	AS4538, AS138371	AS4538
2026-09-16	`121.249.216.0/21`	Released	AS4538, AS138371	AS4538
2026-09-16	`121.251.216.0/21`	Released	AS4538, AS138371	AS4538
2026-09-16	`121.251.224.0/20`	Released	AS4538, AS138371	AS4538
2026-09-16	`121.251.232.0/24`	Released	AS138371	—
2026-09-16	`121.251.233.0/24`	Released	AS138371	—
2026-09-16	`121.251.234.0/24`	Released	AS138371	—