Possible BGP hijack

Beginning at 2020-05-04 11:20:58, we detected a possible BGP hijack.

Prefix 27.50.128.0/17, Normally announced by AS4837 CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN

Starting at 2020-05-04 11:20:58, a more specific route (27.50.160.0/24) was announced by ASN 24631.

This was detected by 156 BGPMon peers.

Expected
Start time: 2020-05-04 11:20:58 UTC
Expected prefix: 27.50.128.0/17
Expected ASN: 4837 (CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN)
Event Details
Detected advertisement: 27.50.160.0/24
Detected Origin ASN 24631 (FANAPTELECOM-FCP, IR)
Detected AS Path 32563 812 6453 4134 39533 49666 49666 49666 49666 205647 24631
Detected by number of BGPMon peers: 156

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