Possible BGP hijack

Beginning at 2021-02-26 15:16:25 UTC, we detected a possible BGP hijack.

Prefix 91.235.235.0/24, is normally announced by AS205781 CITYLAN-KRASNODAR-AS, RU.

But beginning at 2021-02-26 15:16:25, the same prefix (91.235.235.0/24) was also announced by ASN 49037.

This was detected by 6 BGPMon peers.

Expected
Start time: 2021-02-26 15:16:25 UTC
Expected prefix: 91.235.235.0/24
Expected ASN: 205781 (CITYLAN-KRASNODAR-AS, RU)
Event Details
Detected advertisement: 91.235.235.0/24
Detected Origin ASN 49037 (PG19, RU)
Detected AS Path 6881 15685 6939 49037
Detected by number of BGPMon peers: 6

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