Possible BGP hijack

Beginning at 2019-05-02 17:20:17 UTC, we detected a possible BGP hijack.

Prefix 5.3.1.0/24, is normally announced by AS31483 ERTELECOM-DC-AS, RU.

But beginning at 2019-05-02 17:20:17, the same prefix (5.3.1.0/24) was also announced by ASN 262906.

This was detected by 17 BGPMon peers.

Expected
Start time: 2019-05-02 17:20:17 UTC
Expected prefix: 5.3.1.0/24
Expected ASN: 31483 (ERTELECOM-DC-AS, RU)
Event Details
Detected advertisement: 5.3.1.0/24
Detected Origin ASN 262906 (URSOFT Soluções em Internet, BR)
Detected AS Path 267170 61659 262906
Detected by number of BGPMon peers: 17

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