152.175.20.0/23 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 ASRPKI Peers seeing itSample path First seenLast seen
AS209554 ISIF OU RPKI valid 3 176394229951649304209554 2026-09-28 2026-10-05
AS49304 SAKURA LINK LIMITED RPKI valid 1 4967331500311332376449304 2026-09-30 2026-10-05

RPKI

5 ROAs cover this prefix

ROA prefixMax lengthAuthorised originTrust anchorResult for this route
152.175.20.0/22 /24 AS209554 ripe authorises it
152.175.0.0/19 /24 AS218922 ripe wrong origin
152.175.0.0/17 /24 AS8126 ripe wrong origin
152.175.0.0/16 /24 AS49304 ripe wrong origin
152.175.0.0/16 /24 AS202069 ripe wrong origin

Registry

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

Delegated block
152.175.0.0/16
RIR
RIPENCC
Country
🇭🇰 HK
Status
allocated
Allocated
2014-05-23

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
152.175.20.0/22 v4 AS209554 ISIF OU RPKI valid 42 2448249304209554 2026-09-28

More specific routes

0 announced prefixes inside this one

Nothing more specific is announced.

Recorded changes

WhenChangeOriginPath
2026-10-02 08:36:59Z origin change AS49304 → AS209554 176394229951649304209554
2026-09-30 12:46:09Z origin change AS209554 → AS49304 4967331500311332376449304493044930449304493044930449304493044930449304493044930449304
2026-09-28 12:01:18Z new prefix AS209554 ISIF OU 176394229951649304209554