Possible BGP hijack

Beginning at 2019-12-17 20:27:19, we detected a possible BGP hijack.

Prefix, Normally announced by AS385 AFCONC-BLOCK1-AS - Air Force Systems Networking, US

Starting at 2019-12-17 20:27:19, a more specific route ( was announced by ASN 262725.

This was detected by 7 BGPMon peers.

Start time: 2019-12-17 20:27:19 UTC
Expected prefix:
Expected ASN: 385 (AFCONC-BLOCK1-AS - Air Force Systems Networking, US)
Event Details
Detected advertisement:
Detected Origin ASN 262725 (RG SILVEIRA LTDA, BR)
Detected AS Path 397181 10929 6939 262725
Detected by number of BGPMon peers: 7

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