Possible BGP hijack

Beginning at 2019-08-14 11:00:13 UTC, we detected a possible BGP hijack.

Prefix 202.253.247.0/24, is normally announced by AS55890 SUNTORY Suntory Business Expert Limited, JP.

But beginning at 2019-08-14 11:00:13, the same prefix (202.253.247.0/24) was also announced by ASN 8220.

This was detected by 10 BGPMon peers.

Expected
Start time: 2019-08-14 11:00:13 UTC
Expected prefix: 202.253.247.0/24
Expected ASN: 55890 (SUNTORY Suntory Business Expert Limited, JP)
Event Details
Detected advertisement: 202.253.247.0/24
Detected Origin ASN 8220 (COLT, GB)
Detected AS Path 264426 10429 12956 2914 8220
Detected by number of BGPMon peers: 10

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