Possible BGP hijack

Beginning at 2018-12-04 05:27:47 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS13335 CLOUDFLARENET - Cloudflare, Inc., US.

But beginning at 2018-12-04 05:27:47, the same prefix ( was also announced by ASN 4538.

This was detected by 4 BGPMon peers.

Start time: 2018-12-04 05:27:47 UTC
Expected prefix:
Expected ASN: 13335 (CLOUDFLARENET - Cloudflare, Inc., US)
Event Details
Detected advertisement:
Detected Origin ASN 4538 (ERX-CERNET-BKB China Education and Research Network Center, CN)
Detected AS Path 41405 29075 4134 4538
Detected by number of BGPMon peers: 4

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