171.226.8.0/22 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
AS7552 Viettel Group RPKI valid 36 380017552 2026-09-18 2026-09-29
AS38731 Viettel - CHT Company Ltd RPKI valid 5 1763921859755238731 2026-09-18 2026-09-29

RPKI

3 ROAs cover this prefix

ROA prefixMax lengthAuthorised originTrust anchorResult for this route
171.224.0.0/11 /24 AS7552 apnic authorises it
171.224.0.0/11 /24 AS24086 apnic wrong origin
171.224.0.0/11 /24 AS38731 apnic wrong origin

Registry

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

Delegated block
171.224.0.0/11
RIR
APNIC
Country
🇻🇳 VN
Status
allocated
Allocated
2011-03-04

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
171.224.0.0/13 v4 AS7552 Viettel Group RPKI valid 43 380017552 2026-09-18
171.224.0.0/12 v4 AS7552 Viettel Group RPKI valid 43 380017552 2026-09-18
171.224.0.0/11 v4 AS7552 Viettel Group RPKI valid 42 380017552 2026-09-18

More specific routes

4 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
171.226.8.0/23 v4 AS38731 Viettel - CHT Company Ltd RPKI valid 41 2026-09-18
171.226.10.0/23 v4 AS38731 Viettel - CHT Company Ltd RPKI valid 41 2026-09-18
171.226.10.0/24 v4 AS38731 Viettel - CHT Company Ltd RPKI valid 41 2026-09-18
171.226.11.0/24 v4 AS38731 Viettel - CHT Company Ltd RPKI valid 41 2026-09-18

Recorded changes

WhenChangeOriginPath
2026-09-27 05:31:44Z origin change AS38731 → AS7552 3288403277271747552
2026-09-27 03:51:56Z origin change AS7552 → AS38731 176392185975523873138731
2026-09-18 14:03:19Z origin change AS38731 → AS7552 3288403277271747552