Possible BGP hijack

Beginning at 2019-09-15 16:03:50, we detected a possible BGP hijack.

Prefix 113.8.0.0/15, Normally announced by AS4837 CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN

Starting at 2019-09-15 16:03:50, a more specific route (113.9.196.0/24) was announced by ASN 45903.

This was detected by 143 BGPMon peers.

Expected
Start time: 2019-09-15 16:03:50 UTC
Expected prefix: 113.8.0.0/15
Expected ASN: 4837 (CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN)
Event Details
Detected advertisement: 113.9.196.0/24
Detected Origin ASN 45903 (CMCTELECOM-AS-VN CMC Telecom Infrastructure Company, VN)
Detected AS Path 27553 1299 2914 9304 45903 45903 45903 45903 45903 45903 45903
Detected by number of BGPMon peers: 143

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