Possible BGP hijack

Beginning at 2021-11-16 09:23:35 UTC, we detected a possible BGP hijack.

Prefix 185.172.131.0/24, is normally announced by AS50113 SUPERSERVERSDATACENTER, CZ.

But beginning at 2021-11-16 09:23:35, the same prefix (185.172.131.0/24) was also announced by ASN 28753.

This was detected by 14 BGPMon peers.

Expected
Start time: 2021-11-16 09:23:35 UTC
Expected prefix: 185.172.131.0/24
Expected ASN: 50113 (SUPERSERVERSDATACENTER, CZ)
Event Details
Detected advertisement: 185.172.131.0/24
Detected Origin ASN 28753 (LEASEWEB-DE-FRA-10, DE)
Detected AS Path 43561 16265 28753
Detected by number of BGPMon peers: 14

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