Possible BGP hijack

Beginning at 2021-11-18 02:43:05 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS203020 HOSTROYALE, IN.

But beginning at 2021-11-18 02:43:05, the same prefix ( was also announced by ASN 328543.

This was detected by 11 BGPMon peers.

Start time: 2021-11-18 02:43:05 UTC
Expected prefix:
Expected ASN: 203020 (HOSTROYALE, IN)
Event Details
Detected advertisement:
Detected Origin ASN 328543 (sun-asn, SC)
Detected AS Path 20634 8447 20485 4809 328543 328543
Detected by number of BGPMon peers: 11

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