Possible BGP hijack

Beginning at 2019-09-25 17:55:12, we detected a possible BGP hijack.

Prefix 148.200.0.0/16, Normally announced by AS1136 KPN This macro reflects our filtering-policy on, NL

Starting at 2019-09-25 17:55:12, a more specific route (148.200.140.0/22) was announced by ASN 6830.

This was detected by 3 BGPMon peers.

Expected
Start time: 2019-09-25 17:55:12 UTC
Expected prefix: 148.200.0.0/16
Expected ASN: 1136 (KPN This macro reflects our filtering-policy on, NL)
Event Details
Detected advertisement: 148.200.140.0/22
Detected Origin ASN 6830 (LGI-UPC formerly known as UPC Broadband Holding B.V., AT)
Detected AS Path 16178 3356 6830
Detected by number of BGPMon peers: 3

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