23.135.208.0/24 no ROA 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
AS237 Merit Network Inc. no ROA 26 7018237 2026-09-18 2026-09-20
AS210 Utah Education Network no ROA 17 345496461210 2026-09-18 2026-09-20

RPKI

No ROA covers this prefix

No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.

Registry

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

Delegated block
23.135.208.0/24
RIR
ARIN
Country
πŸ‡ΊπŸ‡Έ US
Status
allocated
Allocated
2019-05-30

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
2026-09-20 04:32:51Z origin change AS237 β†’ AS210 328840327727174210
2026-09-20 04:00:48Z origin change AS210 β†’ AS237 382292449011537237
2026-09-18 07:14:23Z origin change AS237 β†’ AS210 57381427086461210