2a10:fa80:f::/48 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
AS16509 Amazon.com, Inc.	RPKI valid	29	38001 16509	2026-09-18	2026-09-20
AS20473 The Constant Company, LLC	RPKI valid	7	17639 20473	2026-09-18	2026-09-20

RPKI

2 ROAs cover this prefix

ROA prefix	Max length	Authorised origin	Trust anchor	Result for this route
2a10:fa80:f::/48	/48	AS16509	ripe	authorises it
2a10:fa80:f::/48	/48	AS20473	ripe	wrong origin

Registry

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

Delegated block: 2a10:fa80::/29
RIR: RIPENCC
Country: 🇷🇴 RO
Status: allocated
Allocated: 2021-01-25

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
2026-09-19 19:36:02Z	origin change	AS20473 → AS16509	1403 577 6939 16509 16509
2026-09-19 19:35:46Z	origin change	AS16509 → AS20473	1403 577 1299 20473
2026-09-19 19:35:46Z	origin change	AS20473 → AS16509	1403 577 6939 16509 16509
2026-09-19 19:35:45Z	origin change	AS16509 → AS20473	34927 1299 20473
2026-09-19 08:28:14Z	origin change	AS20473 → AS16509	29504 39392 16509
2026-09-19 02:26:03Z	origin change	AS16509 → AS20473	49432 48362 20473
2026-09-19 02:25:21Z	origin change	AS20473 → AS16509	49432 215510 48362 16509
2026-09-19 01:26:39Z	origin change	AS16509 → AS20473	49432 48362 20473
2026-09-18 07:11:04Z	origin change	AS20473 → AS16509	57381 50304 16509
2026-09-18 06:41:33Z	origin change	AS16509 → AS20473	49432 48362 20473
2026-09-18 06:36:47Z	origin change	AS20473 → AS16509	57381 42708 16509