16.5.168.0/23 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
AS174 Cogent Communications, LLC RPKI valid 29 34549174 2026-09-18 2026-09-20
AS3257 GTT Communications Inc. RPKI valid 13 377213257 2026-09-18 2026-09-20

RPKI

2 ROAs cover this prefix

ROA prefixMax lengthAuthorised originTrust anchorResult for this route
16.5.168.0/23 /24 AS174 arin authorises it
16.5.168.0/23 /24 AS3257 arin wrong origin

Registry

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

Delegated block
16.5.0.0/16
RIR
ARIN
Country
πŸ‡ΊπŸ‡Έ US
Status
allocated
Allocated
1989-05-18

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

WhenChangeOriginPath
2026-09-18 07:14:22Z origin change AS3257 β†’ AS174 57381503041299174