Possible BGP hijack

Beginning at 2020-04-01 19:27:28, we detected a possible BGP hijack.

Prefix 31.13.64.0/19, Normally announced by AS32934 FACEBOOK, US

Starting at 2020-04-01 19:27:28, a more specific route (31.13.69.0/24) was announced by ASN 12389.

This was detected by 135 BGPMon peers.

Expected
Start time: 2020-04-01 19:27:28 UTC
Expected prefix: 31.13.64.0/19
Expected ASN: 32934 (FACEBOOK, US)
Event Details
Detected advertisement: 31.13.69.0/24
Detected Origin ASN 12389 (ROSTELECOM-AS, RU)
Detected AS Path 395152 14007 174 20764 12389
Detected by number of BGPMon peers: 135

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