Possible BGP hijack

Beginning at 2020-12-23 16:22:18, we detected a possible BGP hijack.

Prefix 171.11.0.0/16, Normally announced by AS4134 CHINANET-BACKBONE No.31,Jin-rong Street, CN

Starting at 2020-12-23 16:22:18, a more specific route (171.11.0.0/24) was announced by ASN 203.

This was detected by 132 BGPMon peers.

Expected
Start time: 2020-12-23 16:22:18 UTC
Expected prefix: 171.11.0.0/16
Expected ASN: 4134 (CHINANET-BACKBONE No.31,Jin-rong Street, CN)
Event Details
Detected advertisement: 171.11.0.0/24
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 28788 2914 3356 203
Detected by number of BGPMon peers: 132

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