Possible BGP hijack

Beginning at 2019-01-19 22:16:27, we detected a possible BGP hijack.

Prefix 2801:18c::/32, Normally announced by AS28637 Cia Proc. de Dados do Estado de S Paulo - Prodesp, BR

Starting at 2019-01-19 22:16:27, a more specific route (2801:18c::/44) was announced by ASN 3.

This was detected by 29 BGPMon peers.

Expected
Start time: 2019-01-19 22:16:27 UTC
Expected prefix: 2801:18c::/32
Expected ASN: 28637 (Cia Proc. de Dados do Estado de S Paulo - Prodesp, BR)
Event Details
Detected advertisement: 2801:18c::/44
Detected Origin ASN 3 (MIT-GATEWAYS - Massachusetts Institute of Technology, US)
Detected AS Path 37989 4844 7473 6762 19429 3
Detected by number of BGPMon peers: 29

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