Possible BGP hijack

Beginning at 2021-04-30 22:47:22, we detected a possible BGP hijack.

Prefix 149.235.0.0/16, Normally announced by AS3257 GTT-BACKBONE GTT, US

Starting at 2021-04-30 22:47:22, a more specific route (149.235.32.0/23) was announced by ASN 8232.

This was detected by 128 BGPMon peers.

Expected
Start time: 2021-04-30 22:47:22 UTC
Expected prefix: 149.235.0.0/16
Expected ASN: 3257 (GTT-BACKBONE GTT, US)
Event Details
Detected advertisement: 149.235.32.0/23
Detected Origin ASN 8232 (GXS-EUROPE, NL)
Detected AS Path 199477 49289 1299 6461 8232
Detected by number of BGPMon peers: 128

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