Possible BGP hijack

Beginning at 2020-08-22 18:12:48, we detected a possible BGP hijack.

Prefix 125.209.254.0/23, Normally announced by AS23576 NHN-AS-KR NBP, KR

Starting at 2020-08-22 18:12:48, a more specific route (125.209.254.0/24) was announced by ASN 132267.

This was detected by 9 BGPMon peers.

Expected
Start time: 2020-08-22 18:12:48 UTC
Expected prefix: 125.209.254.0/23
Expected ASN: 23576 (NHN-AS-KR NBP, KR)
Event Details
Detected advertisement: 125.209.254.0/24
Detected Origin ASN 132267 (NOVOCOM-BD NovoCom Limited, BD)
Detected AS Path 133812 137363 58552 9505 132602 132267
Detected by number of BGPMon peers: 9

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