Possible BGP hijack

Beginning at 2020-06-17 11:30:56 UTC, we detected a possible BGP hijack.

Prefix 23.19.52.0/24, is normally announced by AS60781 LEASEWEB-NL-AMS-01 Netherlands, NL.

But beginning at 2020-06-17 11:30:56, the same prefix (23.19.52.0/24) was also announced by ASN 30633.

This was detected by 83 BGPMon peers.

Expected
Start time: 2020-06-17 11:30:56 UTC
Expected prefix: 23.19.52.0/24
Expected ASN: 60781 (LEASEWEB-NL-AMS-01 Netherlands, NL)
Event Details
Detected advertisement: 23.19.52.0/24
Detected Origin ASN 30633 (LEASEWEB-USA-WDC, US)
Detected AS Path 204092 174 30633
Detected by number of BGPMon peers: 83

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