Possible BGP hijack

Beginning at 2021-03-16 05:47:52, we detected a possible BGP hijack.

Prefix 1.53.58.0/24, Normally announced by AS18403 FPT-AS-AP The Corporation for Financing & Promoting Technology, VN

Starting at 2021-03-16 05:47:52, a more specific route (1.53.58.0/27) was announced by ASN 21859.

This was detected by 2 BGPMon peers.

Expected
Start time: 2021-03-16 05:47:52 UTC
Expected prefix: 1.53.58.0/24
Expected ASN: 18403 (FPT-AS-AP The Corporation for Financing & Promoting Technology, VN)
Event Details
Detected advertisement: 1.53.58.0/27
Detected Origin ASN 21859 (ZNET, US)
Detected AS Path 18103 45306 23947 21859
Detected by number of BGPMon peers: 2

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