Possible BGP hijack

Beginning at 2021-01-20 03:09:50, we detected a possible BGP hijack.

Prefix 2001:550::/32, Normally announced by AS174 COGENT-174, US

Starting at 2021-01-20 03:09:50, a more specific route (2001:550:1607::/48) was announced by ASN 135951.

This was detected by 16 BGPMon peers.

Expected
Start time: 2021-01-20 03:09:50 UTC
Expected prefix: 2001:550::/32
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 2001:550:1607::/48
Detected Origin ASN 135951 (WEBICO-AS-VN Webico Company Limited, VN)
Detected AS Path 37989 4844 18403 18403 135951
Detected by number of BGPMon peers: 16

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