AS219207

YIYUAN CHEN

CNUnknown2026-08-25

Announced prefixes 5

2602:fa02:d00::/402a05:1086:8000::/332a0c:e641::/332a0e:4001:9800::/372a0f:a140::/29

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-11	YIYUAN CHEN	CN	Unknown	11
2026-11-10	YIYUAN CHEN	CN	Unknown	11
2026-11-09	YIYUAN CHEN	CN	Unknown	11
2026-11-08	YIYUAN CHEN	CN	Unknown	11
2026-11-07	YIYUAN CHEN	CN	Unknown	11
2026-11-06	YIYUAN CHEN	CN	Unknown	11
2026-11-05	YIYUAN CHEN	CN	Unknown	11
2026-11-04	YIYUAN CHEN	CN	Unknown	11
2026-11-03	YIYUAN CHEN	CN	Unknown	11
2026-11-02	YIYUAN CHEN	CN	Unknown	11
2026-11-01	YIYUAN CHEN	CN	Unknown	11
2026-10-31	YIYUAN CHEN	CN	Unknown	11
2026-10-30	YIYUAN CHEN	CN	Unknown	11
2026-10-29	YIYUAN CHEN	CN	Unknown	11
2026-10-28	YIYUAN CHEN	CN	Unknown	9
2026-10-27	YIYUAN CHEN	CN	Unknown	9
2026-10-26	YIYUAN CHEN	CN	Unknown	9
2026-10-25	YIYUAN CHEN	CN	Unknown	9
2026-10-24	YIYUAN CHEN	CN	Unknown	9
2026-10-23	YIYUAN CHEN	CN	Unknown	9
2026-10-22	YIYUAN CHEN	CN	Unknown	9
2026-10-21	YIYUAN CHEN	CN	Unknown	9
2026-10-20	YIYUAN CHEN	CN	Unknown	9
2026-10-19	YIYUAN CHEN	CN	Unknown	9
2026-10-18	YIYUAN CHEN	CN	Unknown	9
2026-10-17	YIYUAN CHEN	CN	Unknown	7
2026-10-16	YIYUAN CHEN	CN	Unknown	8
2026-10-15	YIYUAN CHEN	CN	Unknown	8
2026-10-14	YIYUAN CHEN	CN	Unknown	8
2026-10-13	YIYUAN CHEN	CN	Unknown	8
2026-10-12	YIYUAN CHEN	CN	Unknown	8
2026-10-11	YIYUAN CHEN	CN	Unknown	8
2026-10-10	YIYUAN CHEN	CN	Unknown	8
2026-10-09	YIYUAN CHEN	CN	Unknown	8
2026-10-08	YIYUAN CHEN	CN	Unknown	8
2026-10-07	YIYUAN CHEN	CN	Unknown	8
2026-10-06	YIYUAN CHEN	CN	Unknown	8
2026-10-05	YIYUAN CHEN	CN	Unknown	8
2026-10-04	YIYUAN CHEN	CN	Unknown	8
2026-10-03	YIYUAN CHEN	CN	Unknown	8
2026-10-02	YIYUAN CHEN	CN	Unknown	8
2026-10-01	YIYUAN CHEN	CN	Unknown	8
2026-09-30	YIYUAN CHEN	CN	Unknown	8
2026-09-29	YIYUAN CHEN	CN	Unknown	10
2026-09-28	YIYUAN CHEN	CN	Unknown	10
2026-09-27	YIYUAN CHEN	CN	Unknown	10
2026-09-26	YIYUAN CHEN	CN	Unknown	10
2026-09-25	YIYUAN CHEN	CN	Unknown	10
2026-09-24	YIYUAN CHEN	CN	Unknown	10
2026-09-23	YIYUAN CHEN	CN	Unknown	10
2026-09-22	YIYUAN CHEN	CN	Unknown	14
2026-09-21	YIYUAN CHEN	CN	Unknown	14
2026-09-20	YIYUAN CHEN	CN	Unknown	14
2026-09-19	YIYUAN CHEN	CN	Unknown	14
2026-09-18	YIYUAN CHEN	CN	Unknown	14
2026-09-17	YIYUAN CHEN	CN	Unknown	14
2026-09-16	YIYUAN CHEN	CN	Unknown	14
2026-09-15	YIYUAN CHEN	CN	Unknown	14
2026-09-14	YIYUAN CHEN	CN	Unknown	14
2026-09-13	YIYUAN CHEN	CN	Unknown	14
2026-09-12	YIYUAN CHEN	CN	Unknown	14
2026-09-11	YIYUAN CHEN	CN	Unknown	12
2026-09-10	YIYUAN CHEN	CN	Unknown	13
2026-09-09	YIYUAN CHEN	CN	Unknown	13
2026-09-08	YIYUAN CHEN	CN	Unknown	13
2026-09-07	YIYUAN CHEN	CN	Unknown	13
2026-09-06	YIYUAN CHEN	CN	Unknown	13
2026-09-05	YIYUAN CHEN	CN	Unknown	11
2026-09-04	YIYUAN CHEN	CN	Unknown	11
2026-09-03	YIYUAN CHEN	CN	Unknown	9
2026-09-02	YIYUAN CHEN	CN	Unknown	10
2026-09-01	YIYUAN CHEN	CN	Unknown	10
2026-08-31	YIYUAN CHEN	CN	Unknown	11
2026-08-30	YIYUAN CHEN	CN	Unknown	11
2026-08-29	YIYUAN CHEN	CN	Unknown	10
2026-08-28	YIYUAN CHEN	CN	Unknown	10
2026-08-27	YIYUAN CHEN	CN	Unknown	6
2026-08-26	YIYUAN CHEN	CN	Unknown	6
2026-08-25	YIYUAN CHEN	CN	Unknown	5
2026-08-24	YIYUAN CHEN	CN	Unknown	2
2026-08-23	YIYUAN CHEN	CN	Unknown	2
2026-08-22	YIYUAN CHEN	CN	Unknown	1
2026-08-21	YIYUAN CHEN	CN	Unknown	1
2026-08-20	YIYUAN CHEN	CN	Unknown	1
2026-08-19	YIYUAN CHEN	CN	Unknown	0
2026-08-18	YIYUAN CHEN	CN	Unknown	4
2026-08-17	YIYUAN CHEN	CN	Unknown	1
2026-08-16	YIYUAN CHEN	CN	Unknown	4
2026-08-15	YIYUAN CHEN	CN	Unknown	3
2026-08-14	YIYUAN CHEN	CN	Unknown	3
2026-08-13	YIYUAN CHEN	CN	Unknown	3
2026-08-12	YIYUAN CHEN	CN	Unknown	1
2026-08-11	YIYUAN CHEN	CN	Unknown	1
2026-08-10	YIYUAN CHEN	CN	Unknown	4
2026-08-09	YIYUAN CHEN	CN	Unknown	1
2026-08-08	YIYUAN CHEN	CN	Unknown	1
2026-08-07	YIYUAN CHEN	CN	Unknown	1
2026-08-06	YIYUAN CHEN	CN	Unknown	1
2026-08-05	YIYUAN CHEN	CN	Unknown	1
2026-08-04	YIYUAN CHEN	CN	Unknown	1
2026-08-03	YIYUAN CHEN	CN	Unknown	2
2026-08-02	YIYUAN CHEN	CN	Unknown	2
2026-08-01	YIYUAN CHEN	CN	Unknown	2
2026-07-31	YIYUAN CHEN	CN	Unknown	2
2026-07-30	YIYUAN CHEN	CN	Unknown	2
2026-07-29	YIYUAN CHEN	CN	Unknown	2
2026-07-28	YIYUAN CHEN	CN	Unknown	2
2026-07-27	YIYUAN CHEN	CN	Unknown	2
2026-07-26	YIYUAN CHEN	CN	Unknown	2
2026-07-25	YIYUAN CHEN	CN	Unknown	2
2026-07-24	YIYUAN CHEN	CN	Unknown	2
2026-07-23	YIYUAN CHEN	CN	Unknown	1
2026-07-22	YIYUAN CHEN	CN	Unknown	1
2026-07-21	YIYUAN CHEN	CN	Unknown	1
2026-07-20	YIYUAN CHEN	CN	Unknown	1
2026-07-19	YIYUAN CHEN	CN	Unknown	1
2026-07-18	YIYUAN CHEN	CN	Unknown	1
2026-07-17	YIYUAN CHEN	CN	Unknown	0
2026-07-16	YIYUAN CHEN	EU	Unknown	0

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-10-29	`2a09:3f00:4600::/39`	Acquired	—	AS219207
2026-10-29	`2a14:7581:5800::/40`	Acquired	—	AS219207
2026-10-18	`2a0f:6280:7000::/39`	Acquired	—	AS219207
2026-10-18	`2a0f:6280:7800::/39`	Acquired	—	AS219207
2026-10-17	`2a0f:6281::/33`	Released	AS219207	—
2026-09-30	`2a0f:7300::/30`	Released	AS219207	—
2026-09-30	`2a0f:7304::/30`	Released	AS219207	—
2026-09-23	`2a0f:a140::/30`	Released	AS219207	—
2026-09-23	`2a0f:a144::/30`	Released	AS219207	—
2026-09-23	`2a14:4980::/30`	Released	AS219207	—
2026-09-23	`2a14:4984::/30`	Released	AS219207	—
2026-09-12	`2a0f:a140::/30`	Acquired	—	AS219207
2026-09-12	`2a0f:a144::/30`	Acquired	—	AS219207
2026-09-11	`2a0f:a140::/29`	Released	AS219207	—
2026-09-06	`2a0f:7300::/30`	Acquired	—	AS219207
2026-09-06	`2a0f:7304::/30`	Acquired	—	AS219207
2026-09-04	`2a14:4980::/30`	Acquired	—	AS219207
2026-09-04	`2a14:4984::/30`	Acquired	—	AS219207
2026-09-03	`2a06:de07:f800::/38`	Released	AS219207	—
2026-09-01	`2a0f:6281::/32`	Released	AS7029, AS219207	AS7029
2026-08-31	`2a06:de07:f800::/39`	Acquired	—	AS219207
2026-08-31	`2a0f:6281:8000::/33`	Released	AS219207	AS219283
2026-08-30	`2a07:e000:20::/44`	Acquired	—	AS219207
2026-08-28	`2a06:de07:f800::/38`	Acquired	—	AS219207
2026-08-28	`2a0f:6281::/32`	Acquired	AS7029	AS7029, AS219207
2026-08-28	`2a0f:6281::/33`	Acquired	—	AS219207
2026-08-28	`2a0f:6281:8000::/33`	Acquired	—	AS219207
2026-08-26	`2a0a:d682:e000::/36`	Acquired	—	AS219207
2026-08-25	`2a05:1086:8000::/33`	Acquired	—	AS219207
2026-08-25	`2a0c:e641::/33`	Acquired	—	AS219207
2026-08-25	`2a0e:4001:9800::/37`	Acquired	—	AS219207
2026-08-23	`2a0f:a140::/29`	Acquired	—	AS219207
2026-08-20	`2602:fa02:d00::/40`	Acquired	—	AS219207
2026-08-19	`2a06:9801:1380::/41`	Released	AS219207	—
2026-08-19	`2a0e:4001:8400::/38`	Released	AS219207	—
2026-08-19	`2a14:5f00::/32`	Released	AS219207	—
2026-08-19	`2a14:5f03::/32`	Released	AS219207	—
2026-08-18	`2a06:9801:1380::/41`	Acquired	—	AS219207
2026-08-18	`2a0e:4001:8400::/38`	Acquired	—	AS219207
2026-08-18	`2a14:5f03::/32`	Acquired	—	AS219207
2026-08-17	`2a0a:d682:e000::/36`	Released	AS219207	—
2026-08-17	`2a0c:e641::/32`	Released	AS219207	—
2026-08-17	`2a0f:6280:f400::/38`	Released	AS219207	—
2026-08-17	`2a10:fa86:3000::/36`	Released	AS219207	—
2026-08-17	`2a14:5f00::/32`	Acquired	—	AS219207
2026-08-16	`2a0c:e641::/32`	Acquired	—	AS219207
2026-08-13	`2a0f:6280:f400::/38`	Acquired	—	AS219207
2026-08-13	`2a10:fa86:3000::/36`	Acquired	—	AS219207
2026-08-11	`2a09:3f00:6400::/38`	Released	AS219207	—
2026-08-11	`2a09:3f00:6c00::/38`	Released	AS219207	—