Possible BGP hijack

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

Prefix 103.22.200.0/23, is normally announced by AS13335 Cloudflare Inc.

But beginning at 2018-12-04 05:27:47, the same prefix (103.22.200.0/23) was also announced by ASN 4538.

This was detected by 4 BGPMon peers.

Expected
Start time: 2018-12-04 05:27:47 UTC
Expected prefix: 103.22.200.0/23
Expected ASN: 13335 (Cloudflare Inc)
Event Details
Detected advertisement: 103.22.200.0/23
Detected Origin ASN 4538 (China Education and Research Network Center)
Detected AS Path 58308 29075 4134 4538
Detected by number of BGPMon peers: 4

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