Possible BGP hijack

Beginning at 2021-10-21 04:07:42, we detected a possible BGP hijack.

Prefix 2001:1458::/32, Normally announced by AS513 CERN, CH

Starting at 2021-10-21 04:07:42, a more specific route (2001:1458:e100:1000::5:0/126) was announced by ASN 11537.

This was detected by 2 BGPMon peers.

Expected
Start time: 2021-10-21 04:07:42 UTC
Expected prefix: 2001:1458::/32
Expected ASN: 513 (CERN, CH)
Event Details
Detected advertisement: 2001:1458:e100:1000::5:0/126
Detected Origin ASN 11537 (INTERNET2-RESEARCH-EDU, US)
Detected AS Path 11039 4901 11537
Detected by number of BGPMon peers: 2

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