Possible BGP hijack

Beginning at 2019-03-05 05:57:02, we detected a possible BGP hijack.

Prefix 210.173.160.0/19, Normally announced by AS7521 MFEED INTERNET MULTIFEED CO., JP

Starting at 2019-03-05 05:57:02, a more specific route (210.173.176.0/24) was announced by ASN 9924.

This was detected by 3 BGPMon peers.

Expected
Start time: 2019-03-05 05:57:02 UTC
Expected prefix: 210.173.160.0/19
Expected ASN: 7521 (MFEED INTERNET MULTIFEED CO., JP)
Event Details
Detected advertisement: 210.173.176.0/24
Detected Origin ASN 9924 (TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW)
Detected AS Path 264215 263047 37468 4809 9304 9924
Detected by number of BGPMon peers: 3

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