Possible BGP hijack

Beginning at 2020-01-24 10:00:34, we detected a possible BGP hijack.

Prefix, Normally announced by AS12541 BTESPANA BT ES Datacenter and hosting ASN, ES

Starting at 2020-01-24 10:00:34, a more specific route ( was announced by ASN 208027.

This was detected by 33 BGPMon peers.

Start time: 2020-01-24 10:00:34 UTC
Expected prefix:
Expected ASN: 12541 (BTESPANA BT ES Datacenter and hosting ASN, ES)
Event Details
Detected advertisement:
Detected Origin ASN 208027 (GESTAMP, ES)
Detected AS Path 29430 8220 8903 208027
Detected by number of BGPMon peers: 33

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