Possible BGP hijack

Beginning at 2022-10-19 23:44:33, we detected a possible BGP hijack.

Prefix 201.218.128.0/19, Normally announced by AS52439 OPTIC, CL

Starting at 2022-10-19 23:44:33, a more specific route (201.218.133.0/24) was announced by ASN 272848.

This was detected by 17 BGPMon peers.

Expected
Start time: 2022-10-19 23:44:33 UTC
Expected prefix: 201.218.128.0/19
Expected ASN: 52439 (OPTIC, CL)
Event Details
Detected advertisement: 201.218.133.0/24
Detected Origin ASN 272848 ()
Detected AS Path 138540 4775 9304 7473 6461 262589 272848
Detected by number of BGPMon peers: 17

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