Possible BGP hijack

Beginning at 2023-07-11 19:46:09, we detected a possible BGP hijack.

Prefix 131.37.0.0/16, Normally announced by AS367 DNIC-ASBLK-00306-00371, US

Starting at 2023-07-11 19:46:09, a more specific route (131.37.105.0/24) was announced by ASN 451.

This was detected by 23 BGPMon peers.

Expected
Start time: 2023-07-11 19:46:09 UTC
Expected prefix: 131.37.0.0/16
Expected ASN: 367 (DNIC-ASBLK-00306-00371, US)
Event Details
Detected advertisement: 131.37.105.0/24
Detected Origin ASN 451 (Unknown)
Detected AS Path 48659 1299 3356 209 721 27064 451 451
Detected by number of BGPMon peers: 23

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