Possible BGP hijack

Beginning at 2021-10-20 01:03:46 UTC, we detected a possible BGP hijack.

Prefix 78.111.224.0/20, is normally announced by AS198102 XSTREAM, IT.

But beginning at 2021-10-20 01:03:46, the same prefix (78.111.224.0/20) was also announced by ASN 12586.

This was detected by 48 BGPMon peers.

Expected
Start time: 2021-10-20 01:03:46 UTC
Expected prefix: 78.111.224.0/20
Expected ASN: 198102 (XSTREAM, IT)
Event Details
Detected advertisement: 78.111.224.0/20
Detected Origin ASN 12586 (ASGHOSTNET, DE)
Detected AS Path 200005 13237 3257 12586
Detected by number of BGPMon peers: 48

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