Possible BGP hijack

Beginning at 2022-03-04 21:10:48 UTC, we detected a possible BGP hijack.

Prefix 31.148.149.0/24, is normally announced by AS212463 NGROUP, UA.

But beginning at 2022-03-04 21:10:48, the same prefix (31.148.149.0/24) was also announced by ASN 35004.

This was detected by 5 BGPMon peers.

Expected
Start time: 2022-03-04 21:10:48 UTC
Expected prefix: 31.148.149.0/24
Expected ASN: 212463 (NGROUP, UA)
Event Details
Detected advertisement: 31.148.149.0/24
Detected Origin ASN 35004 (NETGRUP, RU)
Detected AS Path 61102 8551 3255 6849 35004
Detected by number of BGPMon peers: 5

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