Possible BGP hijack

Beginning at 2023-03-29 11:53:07 UTC, we detected a possible BGP hijack.

Prefix 193.23.159.0/24, is normally announced by AS16234 STAYON, NO.

But beginning at 2023-03-29 11:53:07, the same prefix (193.23.159.0/24) was also announced by ASN 1257.

This was detected by 32 BGPMon peers.

Expected
Start time: 2023-03-29 11:53:07 UTC
Expected prefix: 193.23.159.0/24
Expected ASN: 16234 (STAYON, NO)
Event Details
Detected advertisement: 193.23.159.0/24
Detected Origin ASN 1257 (TELE2, EU)
Detected AS Path 36692 1257
Detected by number of BGPMon peers: 32

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