Possible BGP hijack

Beginning at 2020-11-12 19:35:04 UTC, we detected a possible BGP hijack.

Prefix 91.92.177.0/24, is normally announced by AS50837 CLOUDSIGMA-AS, CH.

But beginning at 2020-11-12 19:35:04, the same prefix (91.92.177.0/24) was also announced by ASN 29684.

This was detected by 138 BGPMon peers.

Expected
Start time: 2020-11-12 19:35:04 UTC
Expected prefix: 91.92.177.0/24
Expected ASN: 50837 (CLOUDSIGMA-AS, CH)
Event Details
Detected advertisement: 91.92.177.0/24
Detected Origin ASN 29684 (NOURNET-ASN, SA)
Detected AS Path 49673 24811 8359 48237 35819 29684
Detected by number of BGPMon peers: 138

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