Possible BGP hijack

Beginning at 2019-11-29 17:53:11 UTC, we detected a possible BGP hijack.

Prefix 101.252.0.0/15, is normally announced by AS7497 CSTNET-AS-AP Computer Network Information Center, CN.

But beginning at 2019-11-29 17:53:11, the same prefix (101.252.0.0/15) was also announced by ASN 266445.

This was detected by 120 BGPMon peers.

Expected
Start time: 2019-11-29 17:53:11 UTC
Expected prefix: 101.252.0.0/15
Expected ASN: 7497 (CSTNET-AS-AP Computer Network Information Center, CN)
Event Details
Detected advertisement: 101.252.0.0/15
Detected Origin ASN 266445 (SEA TELECOM LTDA, BR)
Detected AS Path 206626 174 2828 4230 266445 266445 266445 266445
Detected by number of BGPMon peers: 120

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