Possible BGP hijack

Beginning at 2023-03-15 13:44:04, we detected a possible BGP hijack.

Prefix, Normally announced by AS38731 VTDC-AS-VN Vietel - CHT Compamy Ltd, VN

Starting at 2023-03-15 13:44:04, a more specific route ( was announced by ASN 139341.

This was detected by 3 BGPMon peers.

Start time: 2023-03-15 13:44:04 UTC
Expected prefix:
Expected ASN: 38731 (VTDC-AS-VN Vietel - CHT Compamy Ltd, VN)
Event Details
Detected advertisement:
Detected Origin ASN 139341 (ACE-AS-AP ACE, SG)
Detected AS Path 34019 35280 4229 21859 139341
Detected by number of BGPMon peers: 3

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