Possible BGP hijack

Beginning at 2019-05-22 02:00:46, we detected a possible BGP hijack.

Prefix 164.143.0.0/16, Normally announced by AS21296 ASN-PWC-UK, GB

Starting at 2019-05-22 02:00:46, a more specific route (164.143.224.0/20) was announced by ASN 20426.

This was detected by 155 BGPMon peers.

Expected
Start time: 2019-05-22 02:00:46 UTC
Expected prefix: 164.143.0.0/16
Expected ASN: 21296 (ASN-PWC-UK, GB)
Event Details
Detected advertisement: 164.143.224.0/20
Detected Origin ASN 20426 (PWC-AS - PriceWaterhouseCoopers, LLP, US)
Detected AS Path 395152 63297 6939 1239 20426
Detected by number of BGPMon peers: 155

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