Possible BGP hijack

Beginning at 2019-12-24 05:06:25 UTC, we detected a possible BGP hijack.

Prefix 103.117.220.0/22, is normally announced by AS134768 CHINANET-SICHUAN-CHENGDU-MAN CHINANET Sichuan province Chengdu MAN network, CN.

But beginning at 2019-12-24 05:06:25, the same prefix (103.117.220.0/22) was also announced by ASN 137788.

This was detected by 139 BGPMon peers.

Expected
Start time: 2019-12-24 05:06:25 UTC
Expected prefix: 103.117.220.0/22
Expected ASN: 134768 (CHINANET-SICHUAN-CHENGDU-MAN CHINANET Sichuan province Chengdu MAN network, CN)
Event Details
Detected advertisement: 103.117.220.0/22
Detected Origin ASN 137788 (--No Registry Entry--)
Detected AS Path 31463 3257 4837 137788
Detected by number of BGPMon peers: 139

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