Possible BGP hijack

Beginning at 2020-04-26 08:12:26 UTC, we detected a possible BGP hijack.

Prefix 205.75.112.0/20, is normally announced by AS3475 DNIC-AS-03475, US.

But beginning at 2020-04-26 08:12:26, the same prefix (205.75.112.0/20) was also announced by ASN 136933.

This was detected by 11 BGPMon peers.

Expected
Start time: 2020-04-26 08:12:26 UTC
Expected prefix: 205.75.112.0/20
Expected ASN: 3475 (DNIC-AS-03475, US)
Event Details
Detected advertisement: 205.75.112.0/20
Detected Origin ASN 136933 (GIGABITBANK-AS-AP Gigabitbank Global, HK)
Detected AS Path 63956 3491 58453 136933
Detected by number of BGPMon peers: 11

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