Possible BGP hijack

Beginning at 2023-01-31 08:03:32, we detected a possible BGP hijack.

Prefix 137.59.4.0/22, Normally announced by AS203020 HOSTROYALE, IN

Starting at 2023-01-31 08:03:32, a more specific route (137.59.4.0/24) was announced by ASN 133034.

This was detected by 47 BGPMon peers.

Expected
Start time: 2023-01-31 08:03:32 UTC
Expected prefix: 137.59.4.0/22
Expected ASN: 203020 (HOSTROYALE, IN)
Event Details
Detected advertisement: 137.59.4.0/24
Detected Origin ASN 133034 (VACL-AS-AP Virtual American Companies BD Limited, BD)
Detected AS Path 63956 132602 10075 58945 58945 58945 133034
Detected by number of BGPMon peers: 47

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