Possible BGP hijack

Beginning at 2020-09-24 11:48:15, we detected a possible BGP hijack.

Prefix 59.63.160.0/19, Normally announced by AS134238 CT-JIANGXI-IDC CHINANET Jiangx province IDC network, CN

Starting at 2020-09-24 11:48:15, a more specific route (59.63.176.0/21) was announced by ASN 3257.

This was detected by 112 BGPMon peers.

Expected
Start time: 2020-09-24 11:48:15 UTC
Expected prefix: 59.63.160.0/19
Expected ASN: 134238 (CT-JIANGXI-IDC CHINANET Jiangx province IDC network, CN)
Event Details
Detected advertisement: 59.63.176.0/21
Detected Origin ASN 3257 (GTT-BACKBONE GTT, DE)
Detected AS Path 27553 3356 3257
Detected by number of BGPMon peers: 112

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