Possible BGP hijack

Beginning at 2019-03-05 09:33:18 UTC, we detected a possible BGP hijack.

Prefix 109.248.141.0/24, is normally announced by AS204128 AT-TELECOM-AS, RU.

But beginning at 2019-03-05 09:33:18, the same prefix (109.248.141.0/24) was also announced by ASN 209751.

This was detected by 187 BGPMon peers.

Expected
Start time: 2019-03-05 09:33:18 UTC
Expected prefix: 109.248.141.0/24
Expected ASN: 204128 (AT-TELECOM-AS, RU)
Event Details
Detected advertisement: 109.248.141.0/24
Detected Origin ASN 209751 (AT-VEGA, RU)
Detected AS Path 20912 1267 8732 209751
Detected by number of BGPMon peers: 187

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