Possible BGP hijack

Beginning at 2020-08-31 17:23:16, we detected a possible BGP hijack.

Prefix 57.79.192.0/20, Normally announced by AS51964 ORANGE-BUSINESS-SERVICES-IPSN-ASN, FR

Starting at 2020-08-31 17:23:16, a more specific route (57.79.194.0/24) was announced by ASN 4538.

This was detected by 5 BGPMon peers.

Expected
Start time: 2020-08-31 17:23:16 UTC
Expected prefix: 57.79.192.0/20
Expected ASN: 51964 (ORANGE-BUSINESS-SERVICES-IPSN-ASN, FR)
Event Details
Detected advertisement: 57.79.194.0/24
Detected Origin ASN 4538 (ERX-CERNET-BKB China Education and Research Network Center, CN)
Detected AS Path 63956 703 9929 4837 4538
Detected by number of BGPMon peers: 5

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