Possible BGP hijack

Beginning at 2020-12-09 09:02:21, we detected a possible BGP hijack.

Prefix 217.20.240.0/22, Normally announced by AS39618 HOSTCRAM, US

Starting at 2020-12-09 09:02:21, a more specific route (217.20.241.0/24) was announced by ASN 13126.

This was detected by 102 BGPMon peers.

Expected
Start time: 2020-12-09 09:02:21 UTC
Expected prefix: 217.20.240.0/22
Expected ASN: 39618 (HOSTCRAM, US)
Event Details
Detected advertisement: 217.20.241.0/24
Detected Origin ASN 13126 (SMS-NET, GB)
Detected AS Path 393891 852 3356 174 13126
Detected by number of BGPMon peers: 102

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