143.84.168.0/24 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
AS1540 Headquarters, USAISC no ROA 43 377213356721270641540 2026-10-15 2026-10-19
AS367 United States Department of Defense (DoD) no ROA 1 2132419002335672127064367 2026-09-18 2026-10-19

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
143.84.0.0/16
RIR
ARIN
Country
πŸ‡ΊπŸ‡Έ US
Status
allocated
Allocated
1990-03-26

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
143.84.0.0/16 v4 AS721 United States Department of Defense (DoD) no ROA 44 377213356721 2026-09-18

More specific routes

0 announced prefixes inside this one

Nothing more specific is announced.

Recorded changes

WhenChangeOriginPath
2026-10-15 00:14:11Z origin change AS367 β†’ AS1540 45049669629143356721721270641540
2026-10-15 00:14:10Z origin change AS1540 β†’ AS367 20236550673174335672172127064367
2026-10-15 00:14:04Z origin change AS367 β†’ AS1540 138309713356721721270641540
2026-10-15 00:14:04Z origin change AS1540 β†’ AS367 132825335672172127064367
2026-10-15 00:13:54Z origin change AS367 β†’ AS1540 443935805769393356721721270641540