Possible BGP hijack

Beginning at 2019-04-05 08:27:54 UTC, we detected a possible BGP hijack.

Prefix 212.183.152.0/21, is normally announced by AS25135 VODAFONE_UK_ASN, GB.

But beginning at 2019-04-05 08:27:54, the same prefix (212.183.152.0/21) was also announced by ASN 38726.

This was detected by 28 BGPMon peers.

Expected
Start time: 2019-04-05 08:27:54 UTC
Expected prefix: 212.183.152.0/21
Expected ASN: 25135 (VODAFONE_UK_ASN, GB)
Event Details
Detected advertisement: 212.183.152.0/21
Detected Origin ASN 38726 (VTCDIGICOM-AS-VN VTC DIGICOM, VN)
Detected AS Path 11071 9304 38726
Detected by number of BGPMon peers: 28

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