Possible BGP hijack

Beginning at 2020-01-09 14:55:31, we detected a possible BGP hijack.

Prefix 156.28.0.0/17, Normally announced by AS34572 HELIANTIS-AS, FR

Starting at 2020-01-09 14:55:31, a more specific route (156.28.0.0/24) was announced by ASN 34542.

This was detected by 147 BGPMon peers.

Expected
Start time: 2020-01-09 14:55:31 UTC
Expected prefix: 156.28.0.0/17
Expected ASN: 34572 (HELIANTIS-AS, FR)
Event Details
Detected advertisement: 156.28.0.0/24
Detected Origin ASN 34542 (SAFRANHE-AS, FR)
Detected AS Path 34224 2200 2200 2200 34542
Detected by number of BGPMon peers: 147

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