Possible BGP hijack

Beginning at 2019-03-21 10:15:01, we detected a possible BGP hijack.

Prefix 178.249.136.0/21, Normally announced by AS197157 SOUNDCLOUD, DE

Starting at 2019-03-21 10:15:01, a more specific route (178.249.139.0/24) was announced by ASN 3356.

This was detected by 150 BGPMon peers.

Expected
Start time: 2019-03-21 10:15:01 UTC
Expected prefix: 178.249.136.0/21
Expected ASN: 197157 (SOUNDCLOUD, DE)
Event Details
Detected advertisement: 178.249.139.0/24
Detected Origin ASN 3356 (LEVEL3 - Level 3 Parent, LLC, US)
Detected AS Path 32563 812 2914 3356
Detected by number of BGPMon peers: 150

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