Possible BGP hijack

Beginning at 2019-12-01 10:19:31 UTC, we detected a possible BGP hijack.

Prefix 87.120.0.0/22, is normally announced by AS34577 SKATTV-AS, BG.

But beginning at 2019-12-01 10:19:31, the same prefix (87.120.0.0/22) was also announced by ASN 35761.

This was detected by 24 BGPMon peers.

Expected
Start time: 2019-12-01 10:19:31 UTC
Expected prefix: 87.120.0.0/22
Expected ASN: 34577 (SKATTV-AS, BG)
Event Details
Detected advertisement: 87.120.0.0/22
Detected Origin ASN 35761 (MITKO, BG)
Detected AS Path 2110 5400 6762 199230 199230 35761 35761
Detected by number of BGPMon peers: 24

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