Possible BGP hijack

Beginning at 2020-05-18 23:05:54, we detected a possible BGP hijack.

Prefix 79.139.40.0/21, Normally announced by AS43766 MTC-KSA-AS, SA

Starting at 2020-05-18 23:05:54, a more specific route (79.139.44.0/22) was announced by ASN 5617.

This was detected by 158 BGPMon peers.

Expected
Start time: 2020-05-18 23:05:54 UTC
Expected prefix: 79.139.40.0/21
Expected ASN: 43766 (MTC-KSA-AS, SA)
Event Details
Detected advertisement: 79.139.44.0/22
Detected Origin ASN 5617 (TPNET, PL)
Detected AS Path 11170 6939 5511 5617
Detected by number of BGPMon peers: 158

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