Possible BGP hijack

Beginning at 2017-03-11 19:33:44 UTC, we detected a possible BGP hijack.

Prefix 157.84.48.0/21, is normally announced by AS2159 Hewlett-Packard Company.

But beginning at 2017-03-11 19:33:44, the same prefix (157.84.48.0/21) was also announced by ASN 2830.

This was detected by 165 BGPMon peers.

Expected
Start time: 2017-03-11 19:33:44 UTC
Expected prefix: 157.84.48.0/21
Expected ASN: 2159 (Hewlett-Packard Company)
Event Details
Detected advertisement: 157.84.48.0/21
Detected Origin ASN 2830 (Verizon Nederland B.V.)
Detected AS Path 48284 60169 702 2830
Detected by number of BGPMon peers: 165

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