Possible BGP hijack

Beginning at 2021-09-21 19:33:07, we detected a possible BGP hijack.

Prefix 178.162.128.0/18, Normally announced by AS60781 LEASEWEB-NL-AMS-01 Netherlands, NL

Starting at 2021-09-21 19:33:07, a more specific route (178.162.136.0/24) was announced by ASN 59077.

This was detected by 116 BGPMon peers.

Expected
Start time: 2021-09-21 19:33:07 UTC
Expected prefix: 178.162.128.0/18
Expected ASN: 60781 (LEASEWEB-NL-AMS-01 Netherlands, NL)
Event Details
Detected advertisement: 178.162.136.0/24
Detected Origin ASN 59077 (Unknown)
Detected AS Path 27257 2914 174 59077
Detected by number of BGPMon peers: 116

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