45.253.27.0/24 RPKI valid MOAS

Announced by 2 different origins, which is either a deliberate multi-origin setup or a hijack.

This prefix is announced by more than one AS. Compare how many collector peers see each origin below: a hijack is usually visible as a second origin seen by far fewer peers than the legitimate one.

Origins

Origin AS	RPKI	Peers seeing it	Sample path	First seen	Last seen
AS138421 China Unicom	RPKI valid	38	34549 5511 4837 138421	2026-09-18	2026-10-21
AS4812 China Telecom Shanghai Province Network	RPKI invalid	4	58057 1836 4134 4812	2026-09-18	2026-10-21

RPKI

3 ROAs cover this prefix

ROA prefix	Max length	Authorised origin	Trust anchor	Result for this route
45.253.27.0/24	/24	AS4811	apnic	wrong origin
45.253.27.0/24	/24	AS138421	apnic	authorises it
45.253.24.0/22	/24	AS59048	apnic	wrong origin

Registry

Who this address space is delegated to, regardless of whether it is routed

Delegated block: 45.253.24.0/22
RIR: APNIC
Country: 🇨🇳 CN
Status: allocated
Allocated: 2016-06-03

Less specific routes

Announced prefixes that contain this one

Nothing less specific is announced.

More specific routes

0 announced prefixes inside this one

Nothing more specific is announced.

Recorded changes

When	Change	Origin	Path
2026-10-21 03:52:51Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-21 03:52:35Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-19 21:04:02Z	origin change	AS4812 → AS138421	49432 48362 1299 4837 138421
2026-10-19 17:46:54Z	origin change	AS138421 → AS4812	58057 1836 4134 4812
2026-10-18 02:13:20Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-18 02:13:01Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-18 02:03:12Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-18 02:02:57Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-15 19:46:24Z	origin change	AS4812 → AS138421	49432 48362 1299 4837 138421
2026-10-15 17:57:56Z	origin change	AS138421 → AS4812	55720 23764 4134 4812
2026-10-15 16:12:14Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-15 16:11:56Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-15 16:02:16Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-15 16:01:53Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-11 16:15:22Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-11 16:15:03Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-11 16:05:15Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-11 16:04:57Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-10 19:33:59Z	origin change	AS4812 → AS138421	48185 1299 4837 138421
2026-10-10 14:30:08Z	origin change	AS138421 → AS4812	58057 1836 4134 4812
2026-10-10 02:07:19Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-10 02:07:01Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-10 01:57:16Z	origin change	AS4812 → AS138421	49673 20485 4837 138421
2026-10-10 01:56:58Z	origin change	AS138421 → AS4812	49673 20485 4134 4812
2026-10-08 22:35:52Z	origin change	AS138421 → AS4812	58057 1836 4134 4812
2026-10-08 22:35:44Z	origin change	AS4812 → AS138421	3549 3356 4837 4837 4837 138421
2026-10-08 17:55:32Z	origin change	AS4812 → AS138421	61218 6939 4837 138421
2026-10-08 17:08:45Z	origin change	AS138421 → AS4812	55720 23764 4134 4812
2026-10-08 09:37:18Z	origin change	AS4812 → AS138421	14907 3356 4837 4837 4837 138421