184.174.51.0/24 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
AS136809 FAST ZONE IT	RPKI valid	42	34549 4229 29752 62610 136809	2026-10-21	2026-10-22
AS199925 Phan Nhat Nghi	RPKI invalid	1	213241 9002 3257 20473 199925	2026-09-18	2026-10-22

RPKI

2 ROAs cover this prefix

ROA prefix	Max length	Authorised origin	Trust anchor	Result for this route
184.174.51.0/24	/24	AS136809	arin	authorises it
184.174.51.0/24	/24	AS402306	arin	wrong origin

Registry

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

Delegated block: 184.174.0.0/17
RIR: ARIN
Country: 🇺🇸 US
Status: allocated
Allocated: 2010-10-25

Less specific routes

Announced prefixes that contain this one

Prefix	Origin	RPKI	Peers	Sample path	First seen
184.174.0.0/17 v4	AS21769 Colocation America Corporation	no ROA	42	34549 6461 21769	2026-09-18

More specific routes

0 announced prefixes inside this one

Nothing more specific is announced.

Recorded changes

When	Change	Origin	Path
2026-10-21 06:53:33Z	origin change	AS136809 → AS402306	3549 3356 174 401322 402306
2026-10-21 06:53:25Z	origin change	AS402306 → AS136809	20514 1299 174 29752 29752 62610 136809
2026-10-21 06:53:04Z	origin change	AS402306 → AS136809	59919 12779 4229 29752 62610 136809
2026-10-21 06:53:04Z	origin change	AS136809 → AS402306	59919 9002 3356 174 401322 402306
2026-10-21 06:20:06Z	origin change	AS402306 → AS136809	29504 4229 29752 62610 136809
2026-10-21 02:01:51Z	origin change	AS199925 → AS402306	34927 12186 1299 174 401322 402306