Possible BGP hijack

Beginning at 2021-06-02 00:02:05 UTC, we detected a possible BGP hijack.

Prefix 185.86.248.0/22, is normally announced by AS48348 CLOUDBUILDERS, ES.

But beginning at 2021-06-02 00:02:05, the same prefix (185.86.248.0/22) was also announced by ASN 3356.

This was detected by 31 BGPMon peers.

Expected
Start time: 2021-06-02 00:02:05 UTC
Expected prefix: 185.86.248.0/22
Expected ASN: 48348 (CLOUDBUILDERS, ES)
Event Details
Detected advertisement: 185.86.248.0/22
Detected Origin ASN 3356 (LEVEL3, US)
Detected AS Path 268232 17222 3549 3356
Detected by number of BGPMon peers: 31

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