Possible BGP hijack

Beginning at 2023-12-30 12:03:03 UTC, we detected a possible BGP hijack.

Prefix 91.193.56.0/24, is normally announced by AS207616 ALTROSKY, NL.

But beginning at 2023-12-30 12:03:03, the same prefix (91.193.56.0/24) was also announced by ASN 203363.

This was detected by 4 BGPMon peers.

Expected
Start time: 2023-12-30 12:03:03 UTC
Expected prefix: 91.193.56.0/24
Expected ASN: 207616 (ALTROSKY, NL)
Event Details
Detected advertisement: 91.193.56.0/24
Detected Origin ASN 203363 ()
Detected AS Path 393891 6939 44592 208046 203363
Detected by number of BGPMon peers: 4

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