Possible BGP hijack

Beginning at 2022-12-16 04:08:42, we detected a possible BGP hijack.

Prefix 145.5.0.0/16, Normally announced by AS1103 SURFNET-NL SURFnet, The Netherlands, NL

Starting at 2022-12-16 04:08:42, a more specific route (145.5.148.0/24) was announced by ASN 4761.

This was detected by 2 BGPMon peers.

Expected
Start time: 2022-12-16 04:08:42 UTC
Expected prefix: 145.5.0.0/16
Expected ASN: 1103 (SURFNET-NL SURFnet, The Netherlands, NL)
Event Details
Detected advertisement: 145.5.148.0/24
Detected Origin ASN 4761 (INDOSAT-INP-AP INDOSAT Internet Network Provider, ID)
Detected AS Path 8781 4761
Detected by number of BGPMon peers: 2

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