Possible BGP hijack

Beginning at 2019-05-26 03:22:42, we detected a possible BGP hijack.

Prefix, Normally announced by AS10507 SPCS - Sprint Personal Communications Systems, US

Starting at 2019-05-26 03:22:42, a more specific route ( was announced by ASN 28581.

This was detected by 7 BGPMon peers.

Start time: 2019-05-26 03:22:42 UTC
Expected prefix:
Expected ASN: 10507 (SPCS - Sprint Personal Communications Systems, US)
Event Details
Detected advertisement:
Detected Origin ASN 28581 (Banco Santander (Brasil) S.A., BR)
Detected AS Path 40191 4230 28581
Detected by number of BGPMon peers: 7

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